Equilibrio de carga para una sesión BGP

set protocols bgp group external type external 
set protocols bgp group external peer-as 64501
set protocols bgp group external multipath 
set protocols bgp group external neighbor 10.0.1.1 
set protocols bgp group external neighbor 10.0.0.2 
set policy-options policy-statement loadbal from route-filter 10.0.0.0/16 orlonger 
set policy-options policy-statement loadbal then load-balance per-packet 
set routing-options forwarding-table export loadbal
set routing-options autonomous-system 64500

[edit]
user@R1# show protocols
bgp {
    group external {
        type external;
        peer-as 64501;
        multipath;
        neighbor 10.0.1.1;
        neighbor 10.0.0.2;
    }
}

[edit]
user@R1# show policy-options
policy-statement loadbal {
    from {
        route-filter 10.0.0.0/16 orlonger;
    }
    then {
        load-balance per-packet;
    }
}

[edit]
user@R1# show routing-options
autonomous-system 64500;
forwarding-table {
    export loadbal;
}

user@R1> show route 10.0.2.0
inet.0: 12 destinations, 15 routes (12 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both

10.0.2.0/30        *[BGP/170] 03:12:32, localpref 100
                      AS path: 64501 I
                      to 10.0.1.1 via ge-1/2/0.0
                    > to 10.0.0.2 via ge-1/2/1.0
                    [BGP/170] 03:12:32, localpref 100
                      AS path: 64501 I
                    > to 10.0.1.1 via ge-1/2/0.0

user@R1> show route 10.0.2.0 detail
inet.0: 12 destinations, 15 routes (12 active, 0 holddown, 0 hidden)
10.0.2.0/30 (2 entries, 1 announced)
        *BGP    Preference: 170/-101
                Next hop type: Router, Next hop index: 262142
                Next-hop reference count: 3
                Source: 10.0.0.2
                Next hop: 10.0.1.1 via ge-1/2/0.0
                Next hop: 10.0.0.2 via ge-1/2/1.0, selected
                State: <Active Ext>
                Local AS: 64500 Peer AS: 64501
                Age: 3:18:30 
                Task: BGP_64501.10.0.0.2+55402
                Announcement bits (1): 2-KRT 
                AS path: 64501 I
                Accepted Multipath
                Localpref: 100
                Router ID: 192.168.2.1
         BGP    Preference: 170/-101
                Next hop type: Router, Next hop index: 602
                Next-hop reference count: 5
                Source: 10.0.1.1
                Next hop: 10.0.1.1 via ge-1/2/0.0, selected
                State: <NotBest Ext>
                Inactive reason: Not Best in its group - Active preferred
                Local AS: 64500 Peer AS: 64501
                Age: 3:18:30 
                Task: BGP_64501.10.0.1.1+53135
                AS path: 64501 I
                Accepted
                Localpref: 100
                Router ID: 192.168.3.1

user@R1> show route forwarding-table destination 10.0.2.0
Routing table: default.inet
Internet:
Destination        Type RtRef Next hop           Type Index NhRef Netif
10.0.2.0/30        user     0                    ulst 262142     2
                              10.0.1.1           ucst   602     5 ge-1/2/0.0
                              10.0.0.2           ucst   522     6 ge-1/2/1.0

user@R0# show interfaces
fe-1/2/0 {
    unit 0 {
        family inet {
            address 10.1.0.1/30;
        }
    }
}
fe-1/2/1 {
    unit 0 {
        family inet {
            address 10.1.1.1/30;
        }
    }
}
lo0 {
    unit 0 {
        family inet {
            address 10.255.14.179/32;
        }
    }
}

user@R0# show policy-options
policy-statement agg_route {
    term 0 {
        from {
            protocol static;
            route-filter 10.1.230.0/23 exact;
        }
        then accept;
    }
}
policy-statement test_route {
    term 1 {
        from {
            protocol static;
            route-filter 10.1.10.10/32 exact;
        }
        then accept;
    }
}

user@R0# show protocols
bgp {
    group ext {
        type external;
        export [ test_route agg_route ];
        peer-as 65000;
        multipath;
        neighbor 10.1.0.2;
        neighbor 10.1.1.2;
    }
}

user@R0# show routing-options
static {
    route 10.1.10.10/32 reject;
    route 10.1.230.0/23 reject;
}
autonomous-system 65500;

user@R1# show interfaces
fe-1/2/0 {
    unit 0 {
        family inet {
            address 10.1.0.2/30;
        }
    }
}
fe-1/2/1 {
    unit 0 {
        family inet {
            address 10.1.1.2/30;
        }
    }
}
fe-1/2/2 {
    unit 0 {
        family inet {
            address 10.12.0.1/30;
        }
    }
}
lo0 {
    unit 0 {
        family inet {
            address 10.255.71.24/32;
        }
    }
}

user@R1# show policy-options
policy-statement agg_route {
    term 1 {
        from {
            protocol bgp;
            route-filter 10.1.230.0/23 exact;
        }
        then {
            next-hop 10.1.10.10;
            accept;
        }
    }
}

user@R1# show protocols
bgp {
    accept-remote-nexthop;
    group ext {
        type external;
        import agg_route;
        peer-as 65500;
        multipath;
        neighbor 10.1.0.1;
        neighbor 10.1.1.1;
    }
    group int {
        type internal;
        local-address 10.255.71.24;
        neighbor 10.255.14.177;
    }
}
ospf {
    area 0.0.0.0 {
        interface fe-1/2/1.0;
        interface 10.255.71.24;
    }
}

user@R1# show routing-options
autonomous-system 65000;

user@R2# show interfaces
fe-1/2/0 {
    unit 0 {
        family inet {
            address 10.12.0.2/30;
        }
    }
}
lo0 {
    unit 0 {
        family inet {
            address 10.255.14.177/32;
        }
    }
}

user@R2# show protocols
bgp {
    group int {
        type internal;
        local-address 10.255.14.177;
        neighbor 10.255.71.24;
    }
}
ospf {
    area 0.0.0.0 {
        interface fe-1/2/0.0;
        interface 10.255.14.177;
    }
}

user@R2# show routing-options
autonomous-system 65000;

user@R1> show route 10.1.230.0 extensive
inet.0: 11 destinations, 13 routes (11 active, 0 holddown, 0 hidden)
Restart Complete
10.1.230.0/23 (2 entries, 1 announced)
TSI:
KRT in-kernel 10.1.230.0/23 -> {indirect(262142)}
Page 0 idx 1 Type 1 val 9168f6c
    Nexthop: 10.1.10.10
    Localpref: 100
    AS path: [65000] 65500 I
    Communities:
Path 10.1.230.0 from 10.1.0.1 Vector len 4.  Val: 1
        *BGP    Preference: 170/-101
                Next hop type: Indirect
                Address: 0x90c44d8
                Next-hop reference count: 4
                Source: 10.1.0.1
                Next hop type: Router, Next hop index: 262143
                Next hop: 10.1.0.1 via fe-1/2/0.0, selected
                Next hop: 10.1.1.1 via fe-1/2/2.0
                Protocol next hop: 10.1.10.10
                Indirect next hop: 91c0000 262142
                State: <Active Ext>
                Local AS: 65000 Peer AS: 65500
                Age: 2:55:31    Metric2: 0 
                Task: BGP_65500.10.1.0.1+64631
                Announcement bits (3): 2-KRT 3-BGP_RT_Background 4-Resolve tree 1 
                AS path: 65500 I
                Accepted Multipath
                Localpref: 100
                Router ID: 10.255.14.179
                Indirect next hops: 1
                        Protocol next hop: 10.1.10.10
                        Indirect next hop: 91c0000 262142
                        Indirect path forwarding next hops: 2
                                Next hop type: Router
                                Next hop: 10.1.0.1 via fe-1/2/0.0
                                Next hop: 10.1.1.1 via fe-1/2/2.0
                        10.1.10.10/32 Originating RIB: inet.0
                          Node path count: 1
                          Forwarding nexthops: 2
                                Nexthop: 10.1.0.1 via fe-1/2/0.0
                                Nexthop: 10.1.1.1 via fe-1/2/2.0
         BGP    Preference: 170/-101
                Next hop type: Indirect
                Address: 0x90c44d8
                Next-hop reference count: 4
                Source: 10.1.1.1
                Next hop type: Router, Next hop index: 262143
                Next hop: 10.1.0.1 via fe-1/2/0.0, selected
                Next hop: 10.1.1.1 via fe-1/2/2.0
                Protocol next hop: 10.1.10.10
                Indirect next hop: 91c0000 262142
                State: <NotBest Ext>
                Inactive reason: Not Best in its group - Update source
                Local AS: 65000 Peer AS: 65500
                Age: 2:55:27    Metric2: 0 
                Task: BGP_65500.10.1.1.1+53260
                AS path: 65500 I
                Accepted
                Localpref: 100
                Router ID: 10.255.14.179
                Indirect next hops: 1
                        Protocol next hop: 10.1.10.10
                        Indirect next hop: 91c0000 262142
                        Indirect path forwarding next hops: 2
                                Next hop type: Router
                                Next hop: 10.1.0.1 via fe-1/2/0.0
                                Next hop: 10.1.1.1 via fe-1/2/2.0
                        10.1.10.10/32 Originating RIB: inet.0
                          Node path count: 1
                          Forwarding nexthops: 2
                                Nexthop: 10.1.0.1 via fe-1/2/0.0
                                Nexthop: 10.1.1.1 via fe-1/2/2.0

set interfaces ge-1/2/0 unit 0 description R1->R3
set interfaces ge-1/2/0 unit 0 family inet address 10.0.0.1/30
set interfaces ge-1/2/1 unit 0 description R1->R2
set interfaces ge-1/2/1 unit 0 family inet address 10.0.1.2/30
set interfaces lo0 unit 0 family inet address 192.168.0.1/32
set protocols bgp group external type external
set protocols bgp group external import bw-dis
set protocols bgp group external peer-as 64501
set protocols bgp group external multipath
set protocols bgp group external neighbor 10.0.1.1
set protocols bgp group external neighbor 10.0.0.2
set policy-options policy-statement bw-dis term a from protocol bgp
set policy-options policy-statement bw-dis term a from neighbor 10.0.1.1
set policy-options policy-statement bw-dis term a then community add bw-high
set policy-options policy-statement bw-dis term a then accept
set policy-options policy-statement bw-dis term b from protocol bgp
set policy-options policy-statement bw-dis term b from neighbor 10.0.0.2
set policy-options policy-statement bw-dis term b then community add bw-low
set policy-options policy-statement bw-dis term b then accept
set policy-options policy-statement loadbal from route-filter 10.0.0.0/16 orlonger
set policy-options policy-statement loadbal then load-balance per-packet
set policy-options community bw-high members bandwidth:65000:60000000
set policy-options community bw-low members bandwidth:65000:40000000
set routing-options autonomous-system 64500
set routing-options forwarding-table export loadbal

set interfaces ge-1/2/0 unit 0 description R2->R1
set interfaces ge-1/2/0 unit 0 family inet address 10.0.1.1/30
set interfaces ge-1/2/1 unit 0 description R2->R3
set interfaces ge-1/2/1 unit 0 family inet address 10.0.2.2/30
set interfaces ge-1/2/1 unit 0 family iso
set interfaces lo0 unit 0 family inet address 192.168.0.2/32
set interfaces lo0 unit 0 family iso address 49.0001.1921.6800.0002.00
set protocols bgp group external type external
set protocols bgp group external export bgp-default
set protocols bgp group external export send-direct
set protocols bgp group external peer-as 64500
set protocols bgp group external multipath
set protocols bgp group external neighbor 10.0.1.2
set protocols isis interface ge-1/2/1.0
set protocols isis interface lo0.0
set policy-options policy-statement bgp-default from protocol static
set policy-options policy-statement bgp-default from route-filter 172.16.0.0/16 exact
set policy-options policy-statement bgp-default then accept
set policy-options policy-statement send-direct term 1 from protocol direct
set policy-options policy-statement send-direct term 1 then accept
set routing-options static route 172.16.0.0/16 discard
set routing-options static route 172.16.0.0/16 no-install
set routing-options autonomous-system 64501

set interfaces ge-1/2/0 unit 0 description R3->R2
set interfaces ge-1/2/0 unit 0 family inet address 10.0.2.1/30
set interfaces ge-1/2/0 unit 0 family iso
set interfaces ge-1/2/1 unit 0 description R3->R1
set interfaces ge-1/2/1 unit 0 family inet address 10.0.0.2/30
set interfaces lo0 unit 0 family inet address 192.168.0.3/32
set interfaces lo0 unit 0 family iso address 49.0001.1921.6800.0003.00
set protocols bgp group external type external
set protocols bgp group external export send-direct
set protocols bgp group external export bgp-default
set protocols bgp group external peer-as 64500
set protocols bgp group external multipath
set protocols bgp group external neighbor 10.0.0.1
set protocols isis interface ge-1/2/0.0
set protocols isis interface lo0.0
set policy-options policy-statement bgp-default from protocol static
set policy-options policy-statement bgp-default from route-filter 172.16.0.0/16 exact
set policy-options policy-statement bgp-default then accept
set policy-options policy-statement send-direct term 1 from protocol direct
set policy-options policy-statement send-direct term 1 then accept
set routing-options static route 172.16.0.0/16 discard
set routing-options static route 172.16.0.0/16 no-install
set routing-options autonomous-system 64501

user@R1# show interfaces
ge-1/2/0 {
    unit 0 {
        description R1->R3;
        family inet {
            address 10.0.0.1/30;
        }
    }
}
ge-1/2/1 {
    unit 0 {
        description R1->R2;
        family inet {
            address 10.0.1.2/30;
        }
    }
}
lo0 {
    unit 0 {
        family inet {
            address 192.168.0.1/32;
        }
    }
}

user@R1# show protocols
bgp {
    group external {
        type external;
        import bw-dis;
        peer-as 64501;
        multipath;
        neighbor 10.0.1.1;
        neighbor 10.0.0.2;
    }
}

user@R1# show policy-options
policy-statement bw-dis {
    term a {
        from {
            protocol bgp;
            neighbor 10.0.1.1;
        }
        then {
            community add bw-high;
            accept;
        }
    }
    term b {
        from {
            protocol bgp;
            neighbor 10.0.0.2;
        }
        then {
            community add bw-low;
            accept;
        }
    }
}
policy-statement loadbal {
    from {
        route-filter 10.0.0.0/16 orlonger;
    }
    then {
        load-balance per-packet;
    }
}
community bw-high members bandwidth:65000:60000000;
community bw-low members bandwidth:65000:40000000;

user@R1# show routing-options
autonomous-system 64500;
forwarding-table {
    export loadbal;
}

user@R1> show route 172.16/16 protocol bgp detail
inet.0: 9 destinations, 13 routes (9 active, 0 holddown, 0 hidden)
172.16.0.0/16 (2 entries, 1 announced)
        *BGP    Preference: 170/-101
                Next hop type: Router, Next hop index: 262143
                Address: 0x93fc078
                Next-hop reference count: 3
                Source: 10.0.0.2
                Next hop: 10.0.0.2 via ge-1/2/0.0 balance 40%
                Next hop: 10.0.1.1 via ge-1/2/1.0 balance 60%, selected
                State: **Active Ext>
                Local AS: 64500 Peer AS: 64501
                Age: 3:22:55 
                Task: BGP_64501.10.0.0.2+55344
                Announcement bits (1): 0-KRT 
                AS path: 64501 I
                Communities: bandwidth:65000:40000000
                Accepted Multipath
                Localpref: 100
                Router ID: 192.168.0.3
         BGP    Preference: 170/-101
                Next hop type: Router, Next hop index: 658
                Address: 0x9260520
                Next-hop reference count: 4
                Source: 10.0.1.1
                Next hop: 10.0.1.1 via ge-1/2/1.0, selected
                State: <NotBest Ext>
                Inactive reason: Not Best in its group - Active preferred
                Local AS: 64500 Peer AS: 64501
                Age: 3:22:55 
                Task: BGP_65001.10.0.1.1+62586
                AS path: 64501 I
                Communities: bandwidth:65000:60000000
                Accepted MultipathContrib
                Localpref: 100
                Router ID: 192.168.0.2

user@R1> show route 10.0.2.0 protocol bgp detail
inet.0: 9 destinations, 13 routes (9 active, 0 holddown, 0 hidden)
10.0.2.0/30 (2 entries, 1 announced)
        *BGP    Preference: 170/-101
                Next hop type: Router, Next hop index: 262143
                Address: 0x93fc078
                Next-hop reference count: 3
                Source: 10.0.1.1
                Next hop: 10.0.0.2 via ge-1/2/0.0 balance 40%
                Next hop: 10.0.1.1 via ge-1/2/1.0 balance 60%, selected
                State: <Active Ext>
                Local AS: 64500 Peer AS: 64501
                Age: 3:36:37 
                Task: BGP_65001.10.0.1.1+62586
                Announcement bits (1): 0-KRT 
                AS path: 64501 I
                Communities: bandwidth:65000:60000000
                Accepted Multipath
                Localpref: 100
                Router ID: 192.168.0.2
         BGP    Preference: 170/-101
                Next hop type: Router, Next hop index: 657
                Address: 0x92604d8
                Next-hop reference count: 4
                Source: 10.0.0.2
                Next hop: 10.0.0.2 via ge-1/2/0.0, selected
                State: <NotBest Ext>
                Inactive reason: Not Best in its group - Active preferred
                Local AS: 64500 Peer AS: 65001
                Age: 3:36:36 
                Task: BGP_65001.10.0.0.2+55344
                AS path: 64501 I
                Communities: bandwidth:65000:40000000
                Accepted MultipathContrib
                Localpref: 100
                Router ID: 192.168.0.3

user@R1> show bgp summary
Groups: 2 Peers: 3 Down peers: 0
Table          Tot Paths  Act Paths Suppressed    History Damp State    Pending
inet.0
                      12          8          0          0          0          0
Peer                     AS      InPkt     OutPkt    OutQ   Flaps Last Up/Dwn State|#Active/Received/Accepted/Damped...
10.0.0.2              65001        153        149       0       0     1:07:23 4/6/6/0            0/0/0/0
10.0.1.1              65001        229        226       0       0     1:41:44 4/6/6/0            0/0/0/0
10.0.4.2              65002       1227       1227       0       0     9:10:27 0/0/0/0            0/0/0/0

user@R1> show route 10.0.2.0 protocol bgp detail
inet.0: 20 destinations, 26 routes (20 active, 0 holddown, 0 hidden)
10.0.2.0/30 (2 entries, 1 announced)
        *BGP    Preference: 170/-101
                Next hop type: Router, Next hop index: 0
                Address: 0xb618990
                Next-hop reference count: 3
                Source: 10.0.1.1
                Next hop: 10.0.0.2 via ge-0/0/0.0 balance 40%
                Session Id: 0x0
                Next hop: 10.0.1.1 via ge-0/0/1.0 balance 60%, selected
                Session Id: 0x0
                State: <Active Ext> 
                Local AS: 65000 Peer AS: 65001 
                Age: 20:33 
                Validation State: unverified 
                Task: BGP_65001.10.0.1.1 
                Announcement bits (3): 0-KRT 2-BGP_Listen.0.0.0.0+179 3-BGP_RT_Background 
                AS path: 65001 I 
                Communities: bandwidth:65000:60000000 
                Accepted Multipath 
                Localpref: 100 
                Router ID: 128.49.121.137 
         BGP    Preference: 170/-101 
                Next hop type: Router, Next hop index: 595 
                Address: 0xb7a1330 
                Next-hop reference count: 9 
                Source: 10.0.0.2 
                Next hop: 10.0.0.2 via ge-0/0/0.0, selected 
                Session Id: 0x141
                State: <NotBest Ext> 
                Inactive reason: Not Best in its group - Active preferred 
                Local AS: 65000 Peer AS: 65001 
                Age: 20:33 
                Validation State: unverified 
                Task: BGP_65001.10.0.0.2 
                AS path: 65001 I 
                Communities: bandwidth:65000:40000000 
                Accepted MultipathContrib 
                Localpref: 100 
                Router ID: 128.49.121.132 

user@R1> show route advertising-protocol bgp 10.0.4.2 10.0.2.0/30 detail 
inet.0: 20 destinations, 26 routes (20 active, 0 holddown, 0 hidden)
* 10.0.2.0/30 (2 entries, 1 announced)
 BGP group external2 type External
     Nexthop: Self
     AS path: [65000] 65001 I
     Communities: bandwidth:65000:80000000

user@R1# show interfaces
fe-0/0/0 {
    unit 12 {
        family inet {
            address 10.0.12.1/24;
        }
    }
}
fe-0/0/1 {
    unit 13 {
        family inet {
            address 10.0.13.1/24;
        }
    }
}
fe-1/0/0 {
    unit 14 {
        family inet {
            address 10.0.14.1/24;
        }
    }
}
fe-1/2/0 {
    unit 15 {
        family inet {
            address 10.0.15.1/24;
        }
    }
}
lo0 {
    unit 10 {
        family inet {
            address 10.0.0.10/32;
        }
    }
}

user@R1# show protocols
bgp {
    group rr {
        type internal;
        local-address 10.0.0.10;
        cluster 10.0.0.10;
        neighbor 10.0.0.20;
        neighbor 10.0.0.30;
    }
    group e1 {
        type external;
        neighbor 10.0.15.2 {
            local-address 10.0.15.1;
            peer-as 2;
        }
    }
    group rr_rr {
        type internal;
        local-address 10.0.0.10;
        neighbor 10.0.0.40 {
            family inet {
                unicast {
                    add-path {
                        send {
                            path-count 6;
                        }
                    }
                }
            }
        }
    }
}
ospf {
    area 0.0.0.0 {
        interface lo0.10 {
            passive;
        }
        interface fe-0/0/0.12;
        interface fe-0/0/1.13;
        interface fe-1/0/0.14;
        interface fe-1/2/0.15;
    }
}

user@R1# show routing-options
router-id 10.0.0.10;
 autonomous-system 1;

user@R2# show interfaces
fe-1/2/0 {
    unit 21 {
        family inet {
            address 10.0.12.2/24;
        }
    }
}
fe-1/2/1 {
    unit 26 {
        family inet {
            address 10.0.26.1/24;
        }
    }
}
lo0 {
    unit 20 {
        family inet {
            address 10.0.0.20/32;
        }
    }
}

user@R2# show protocols
bgp {
    group rr {
        type internal;
        local-address 10.0.0.20;
        neighbor 10.0.0.10 {
            export set_nh_self;
        }
    }
    group e1 {
        type external;
        neighbor 10.0.26.2 {
            peer-as 2;
        }
    }
}
ospf {
    area 0.0.0.0 {
        interface lo0.20 {
            passive;
        }
        interface fe-1/2/0.21;
        interface fe-1/2/1.28;
    }
}

user@R2# show policy-options
policy-statement set_nh_self {
    then {
        next-hop self;
    }
}

user@R2# show routing-options
 autonomous-system 1;

user@R3# show interfaces
fe-1/0/1 {
    unit 31 {
        family inet {
            address 10.0.13.2/24;
        }
    }
}
fe-1/0/2 {
    unit 37 {
        family inet {
            address 10.0.37.1/24;
        }
    }
}
lo0 {
    unit 30 {
        family inet {
            address 10.0.0.30/32;
        }
    }
}

user@R3# show protocols
bgp {
    group rr {
        type internal;
        local-address 10.0.0.30;
        neighbor 10.0.0.10 {
            export set_nh_self;
        }
    }
    group e1 {
        type external;
        neighbor 10.0.37.2 {
            peer-as 2;
        }
    }
}
ospf {
    area 0.0.0.0 {
        interface lo0.30 {
            passive;
        }
        interface fe-1/0/1.31;
        interface fe-1/0/2.37;
    }
}
user@R3# show policy-options
policy-statement set_nh_self {
    then {
        next-hop self;
    }
}

user@R3# show routing-options
 autonomous-system 1;

user@R4# show interfaces
fe-1/2/0 {
    unit 41 {
        family inet {
            address 10.0.14.2/24;
        }
    }
}
fe-1/2/1 {
    unit 48 {
        family inet {
            address 10.0.48.1/24;
        }
    }
}
lo0 {
    unit 40 {
        family inet {
            address 10.0.0.40/32;
        }
    }
}

user@R4# show protocols
bgp {
    group rr {
        type internal;
        local-address 10.0.0.40;
        family inet {
            unicast {
                add-path {
                    receive;
                }
            }
        }
        neighbor 10.0.0.10;
    }
    group rr_client {
        type internal;
        local-address 10.0.0.40;
        cluster 10.0.0.40;
        neighbor 10.0.0.80 {
            family inet {
                unicast {
                    add-path {
                        send {
                            path-count 6;
                            prefix-policy allow_199;
                        }
                    }
                }
            }
        }
    }
}
ospf {
    area 0.0.0.0 {
        interface lo0.40 {
            passive;
        }
        interface fe-1/2/0.41;
        interface fe-1/2/1.48;
    }
}

user@R4# show policy-options
policy-statement allow_199 {
    from {
        route-filter 172.16.199.1/32 exact;
    }
    from term match_199 {
        prefix-list match_199;
    }
        then add-path send-count 20;
    then accept;
}

user@R4# show routing-options
 autonomous-system 1;

user@R5# show interfaces
fe-1/2/0 {
    unit 51 {
        
        family inet {
            address 10.0.15.2/24;
        }
    }
}
lo0 {
    unit 50 {
        family inet {
            address 10.0.0.50/32;
        }
    }
}

user@R5# show protocols
bgp {
    group e1 {
        type external;
        neighbor 10.0.15.1 {
            export s2b;
            peer-as 1;
        }
    }
}

user@R5# show policy-options
policy-statement s2b {
    from protocol [ static direct ];
    then {
        as-path-expand 2;
        accept;
    }
}

user@R5# show routing-options
static {
    route 172.16.198.1/32 reject;
    route 172.16.199.1/32 reject;
}
 autonomous-system 2;

user@R6# show interfaces
fe-1/2/0 {
    unit 62 {
        
        family inet {
            address 10.0.26.2/24;
        }
    }
}
lo0 {
    unit 60 {
        family inet {
            address 10.0.0.60/32;
        }
    }
}

user@R6# show protocols
bgp {
    group e1 {
        type external;
        neighbor 10.0.26.1 {
            export s2b;
            peer-as 1;
        }
    }
}

user@R6# show policy-options
policy-statement s2b {
    from protocol [ static direct ];
    then accept;
}

user@R6# show routing-options
static {
    route 172.16.198.1/32 reject;
    route 172.16.199.1/32 reject;
}
 autonomous-system 2;

user@R7# show interfaces
fe-1/2/0 {
    unit 73 {
        
        family inet {
            address 10.0.37.2/24;
        }
    }
}
lo0 {
    unit 70 {
        family inet {
            address 10.0.0.70/32;
        }
    }
}

user@R7# show protocols
bgp {
    group e1 {
        type external;
        neighbor 10.0.37.1 {
            export s2b;
            peer-as 1;
        }
    }
}

user@R7# show policy-options
policy-statement s2b {
    from protocol [ static direct ];
    then accept;
}

user@R7# show routing-options
static {
    route 172.16.199.1/32 reject;
}
 autonomous-system 2;

user@R1> show bgp neighbor 10.0.0.40
Peer: 10.0.0.40+179 AS 1       Local: 10.0.0.10+64227 AS 1    
  Type: Internal    State: Established    Flags: <Sync>
...  NLRI's for which peer can receive multiple paths: inet-unicast
...

user@R4> show bgp neighbor 10.0.0.10
Peer: 10.0.0.10+64227 AS 1     Local: 10.0.0.40+179 AS 1    
  Type: Internal    State: Established    Flags: <Sync>
...
  NLRI's for which peer can send multiple paths: inet-unicast
...

user@R4> show bgp neighbor 10.0.0.80
Peer: 10.0.0.80+55416 AS 1     Local: 10.0.0.40+179 AS 1    
  Type: Internal    State: Established  (route reflector client)Flags: <Sync>
  ,,,
  NLRI's for which peer can receive multiple paths: inet-unicast
  ...

user@R8> show bgp neighbor 10.0.0.40
Peer: 10.0.0.40+179 AS 1       Local: 10.0.0.80+55416 AS 1    
  Type: Internal    State: Established    Flags: <Sync>
  ...
  NLRI's for which peer can send multiple paths: inet-unicast
  ...

user@R1> show route advertising-protocol bgp 10.0.0.40
inet.0: 21 destinations, 25 routes (21 active, 0 holddown, 0 hidden)
  Prefix                  Nexthop              MED     Lclpref    AS path
* 10.0.0.50/32            10.0.15.2                    100        2 2 I
* 10.0.0.60/32            10.0.0.20                    100        2 I
* 10.0.0.70/32            10.0.0.30                    100        2 I
* 172.16.198.1/32            10.0.0.20                    100        2 I
                          10.0.15.2                    100        2 2 I
* 172.16.199.1/32            10.0.0.20                    100        2 I
                          10.0.0.30                    100        2 I
                          10.0.15.2                    100        2 2 I
* 172.16.200.0/30            10.0.0.20                    100        2 I

user@R4> show route receive-protocol bgp 10.0.0.10
inet.0: 19 destinations, 22 routes (19 active, 0 holddown, 0 hidden)
  Prefix                  Nexthop              MED     Lclpref    AS path
* 10.0.0.50/32            10.0.15.2                    100        2 2 I
* 10.0.0.60/32            10.0.0.20                    100        2 I
* 10.0.0.70/32            10.0.0.30                    100        2 I
* 172.16.198.1/32            10.0.0.20                    100        2 I
                          10.0.15.2                    100        2 2 I
* 172.16.199.1/32            10.0.0.20                    100        2 I
                          10.0.0.30                    100        2 I
                          10.0.15.2                    100        2 2 I
* 172.16.200.0/30            10.0.0.20                    100        2 I

user@R4> show route advertising-protocol bgp 10.0.0.80
inet.0: 19 destinations, 22 routes (19 active, 0 holddown, 0 hidden)
  Prefix                  Nexthop              MED     Lclpref    AS path
* 10.0.0.50/32            10.0.15.2                    100        2 2 I
* 10.0.0.60/32            10.0.0.20                    100        2 I
* 10.0.0.70/32            10.0.0.30                    100        2 I
* 172.16.198.1/32            10.0.0.20                    100        2 I
* 172.16.199.1/32            10.0.0.20                    100        2 I
                          10.0.0.30                    100        2 I
                          10.0.15.2                    100        2 2 I
* 172.16.200.0/30            10.0.0.20                    100        2 I

user@R8> show route receive-protocol bgp 10.0.0.40
inet.0: 18 destinations, 20 routes (18 active, 0 holddown, 0 hidden)
  Prefix                  Nexthop              MED     Lclpref    AS path
* 10.0.0.50/32            10.0.15.2                    100        2 2 I
* 10.0.0.60/32            10.0.0.20                    100        2 I
* 10.0.0.70/32            10.0.0.30                    100        2 I
* 172.16.198.1/32            10.0.0.20                    100        2 I
* 172.16.199.1/32            10.0.0.20                    100        2 I
                          10.0.0.30                    100        2 I
                          10.0.15.2                    100        2 2 I
* 200.1.1.0/30            10.0.0.20                    100        2 I

user@R4> show route 172.16.199.1/32 detail

inet.0: 18 destinations, 20 routes (18 active, 0 holddown, 0 hidden)
172.16.199.1/32 (3 entries, 3 announced)
        *BGP    Preference: 170/-101
                Next hop type: Indirect
                Next-hop reference count: 9
                Source: 10.0.0.10
                Next hop type: Router, Next hop index: 676
                Next hop: 10.0.14.1 via lt-1/2/0.41, selected
                Protocol next hop: 10.0.0.20
                Indirect next hop: 92041c8 262146
                State: <Active Int Ext>
                Local AS:     1 Peer AS:     1
                Age: 1:44:37    Metric2: 2 
                Task: BGP_1.10.0.0.10+64227
                Announcement bits (3): 2-KRT 3-BGP RT Background 4-Resolve tree 1 
                AS path: 2 I (Originator) Cluster list:  10.0.0.10
                AS path:  Originator ID: 10.0.0.20
                Accepted
                Localpref: 100
                Router ID: 10.0.0.10
                Addpath Path ID: 1
         BGP    Preference: 170/-101
                Next hop type: Indirect
                Next-hop reference count: 4
                Source: 10.0.0.10
                Next hop type: Router, Next hop index: 676
                Next hop: 10.0.14.1 via lt-1/2/0.41, selected
                Protocol next hop: 10.0.0.30
                Indirect next hop: 92042ac 262151
                State: <NotBest Int Ext>
                Inactive reason: Not Best in its group - Router ID
                Local AS:     1 Peer AS:     1
                Age: 1:44:37    Metric2: 2 
                Task: BGP_1.10.0.0.10+64227
                Announcement bits (1): 3-BGP RT Background 
                AS path: 2 I (Originator) Cluster list:  10.0.0.10
                AS path:  Originator ID: 10.0.0.30
                Accepted
                Localpref: 100
                Router ID: 10.0.0.10
                Addpath Path ID: 2
         BGP    Preference: 170/-101
                Next hop type: Indirect
                Next-hop reference count: 4
                Source: 10.0.0.10
                Next hop type: Router, Next hop index: 676
                Next hop: 10.0.14.1 via lt-1/2/0.41, selected
                Protocol next hop: 10.0.15.2
                Indirect next hop: 92040e4 262150
                State: <Int Ext>
                Inactive reason: AS path
                Local AS:     1 Peer AS:     1
                Age: 1:44:37    Metric2: 2 
                Task: BGP_1.10.0.0.10+64227
                Announcement bits (1): 3-BGP RT Background 
                AS path: 2 2 I
                Accepted
                Localpref: 100
                Router ID: 10.0.0.10
                Addpath Path ID: 3

user@R8> show route 172.16.199.1/32 detail

inet.0: 17 destinations, 19 routes (17 active, 0 holddown, 0 hidden)
172.16.199.1/32 (3 entries, 1 announced)
        *BGP    Preference: 170/-101
                Next hop type: Indirect
                Next-hop reference count: 9
                Source: 10.0.0.40
                Next hop type: Router, Next hop index: 1045
                Next hop: 10.0.48.1 via lt-1/2/0.84, selected
                Protocol next hop: 10.0.0.20
                Indirect next hop: 91fc0e4 262148
                State: <Active Int Ext>
                Local AS:     1 Peer AS:     1
                Age: 1:56:51    Metric2: 3 
                Task: BGP_1.10.0.0.40+179
                Announcement bits (2): 2-KRT 4-Resolve tree 1 
                AS path: 2 I (Originator) Cluster list:  10.0.0.40 10.0.0.10
                AS path:  Originator ID: 10.0.0.20
                Accepted
                Localpref: 100
                Router ID: 10.0.0.40
                Addpath Path ID: 1
         BGP    Preference: 170/-101
                Next hop type: Indirect
                Next-hop reference count: 4
                Source: 10.0.0.40
                Next hop type: Router, Next hop index: 1045
                Next hop: 10.0.48.1 via lt-1/2/0.84, selected
                Protocol next hop: 10.0.0.30
                Indirect next hop: 91fc1c8 262152
                State: <NotBest Int Ext>
                Inactive reason: Not Best in its group - Router ID
                Local AS:     1 Peer AS:     1
                Age: 1:56:51    Metric2: 3 
                Task: BGP_1.10.0.0.40+179
                AS path: 2 I (Originator) Cluster list:  10.0.0.40 10.0.0.10
                AS path:  Originator ID: 10.0.0.30
                Accepted
                Localpref: 100
                Router ID: 10.0.0.40
                Addpath Path ID: 2
         BGP    Preference: 170/-101
                Next hop type: Indirect
                Next-hop reference count: 4
                Source: 10.0.0.40
                Next hop type: Router, Next hop index: 1045
                Next hop: 10.0.48.1 via lt-1/2/0.84, selected
                Protocol next hop: 10.0.15.2
                Indirect next hop: 91fc2ac 262153
                State: <Int Ext>
                Inactive reason: AS path
                Local AS:     1 Peer AS:     1
                Age: 1:56:51    Metric2: 3 
                Task: BGP_1.10.0.0.40+179
                AS path: 2 2 I (Originator) Cluster list:  10.0.0.40
                AS path:  Originator ID: 10.0.0.10
                Accepted
                Localpref: 100
                Router ID: 10.0.0.40
                Addpath Path ID: 3

user@RR1> show route 199.1.1.1/32 detail
inet.0: 22 destinations, 26 routes (22 active, 0 holddown, 0 hidden)
199.1.1.1/32 (3 entries, 2 announced)
        *BGP    Preference: 170/-101
                Next hop type: Indirect, Next hop index: 0
                Address: 0xae5cc90
                Next-hop reference count: 1
                Source: 10.0.0.20
                Next hop type: Router, Next hop index: 1118
                Next hop: 10.0.12.2 via lt-1/0/10.1, selected
                Session Id: 0x0
                Next hop type: Router, Next hop index: 1115
                Next hop: 10.0.13.2 via lt-1/0/10.9
                Session Id: 0x0
                Protocol next hop: 10.0.0.20
                Indirect next hop: 0xc409410 1048574 INH Session ID: 0x0
                Protocol next hop: 10.0.0.30
                Indirect next hop: 0xc409520 1048575 INH Session ID: 0x0
                State:  <Active Int Ext>
                Local AS:     1 Peer AS:     1
                Age: 4:03:29 	Metric2: 1
                Validation State: unverified
                Task: BGP_1.10.0.0.20
                Announcement bits (3): 2-KRT 3-BGP_RT_Background 4-Resolve tree 2
                AS path: 2 I
                Communities: 4713:100
                Accepted Multipath
                Localpref: 100
                Router ID: 10.0.0.20
         BGP    Preference: 170/-101
                Next hop type: Indirect, Next hop index: 0
                Address: 0xae0ec10
                Next-hop reference count: 4
                Source: 10.0.0.30
                Next hop type: Router, Next hop index: 1115
                Next hop: 10.0.13.2 via lt-1/0/10.9, selected
                Session Id: 0x0
                Protocol next hop: 10.0.0.30
                Indirect next hop: 0xc409520 1048575 INH Session ID: 0x0
                State: <NotBest Int Ext>
                Inactive reason: Not Best in its group - Router ID
                Local AS:  64501 Peer AS: 64501
                Age: 4:03:29 	Metric2: 1
                Validation State: unverified
                Task: BGP_1.10.0.0.30
                Announcement bits (1): 3-BGP_RT_Background
                AS path: 2 I
                Communities: 4713:100
                Accepted MultipathContrib
                Localpref: 100
                Router ID: 10.0.0.30
         BGP    Preference: 170/-101
                Next hop type: Router, Next hop index: 1105
                Address: 0xae0e970
                Next-hop reference count: 5
                Source: 10.0.15.2
                Next hop: 10.0.15.2 via lt-1/0/10.6, selected
                Session Id: 0x0
                State: <Ext>
                Inactive reason: AS path
                Local AS:     1 Peer AS:     2
                Age: 4:05:01
                Validation State: unverified
                Task: BGP_2.10.0.15.2
                AS path: 2 2 I
                Communities: 4713:100
                Accepted
                Localpref: 100
                Router ID: 10.0.0.50 

user@RR1> show route advertising-protocol bgp 10.0.0.40
inet.0: 22 destinations, 26 routes (22 active, 0 holddown, 0 hidden)
  Prefix		  Nexthop	      MED     Lclpref    AS path
* 10.0.0.50/32            10.0.15.2                    100        2 2 I
* 10.0.0.60/32            10.0.0.20                    100        2 I
* 10.0.0.70/32            10.0.0.30                    100        2 I
* 198.1.1.1/32            10.0.0.20                    100        2 I
* 199.1.1.1/32            10.0.0.20                    100        2 I
                          10.0.0.30                    100        2 I

 

user@RR1> show route advertising-protocol bgp 10.0.0.40 detail  
inet.0: 22 destinations, 26 routes (22 active, 0 holddown, 0 hidden)
* 10.0.0.50/32 (1 entry, 1 announced)
 BGP group rr_rr type Internal
     Nexthop: 10.0.15.2
     Localpref: 100
     AS path: [1] 2 2 I
     Communities: 4713:100
     Addpath Path ID: 1
….* 199.1.1.1/32 (3 entries, 2 announced)
 BGP group rr_rr type Internal
     Nexthop: 10.0.0.20
     Localpref: 100
     AS path: [1] 2 I
     Communities: 4713:100
     Cluster ID: 10.0.0.10
     Originator ID: 10.0.0.20
     Addpath Path ID: 1
 BGP group rr_rr type Internal
     Nexthop: 10.0.0.30                 
     Localpref: 100                     
     AS path: [1] 2 I                   
     Communities: 4713:100              
     Cluster ID: 10.0.0.10              
     Originator ID: 10.0.0.30
     Addpath Path ID: 2

user@RR4> show route advertising-protocol bgp 10.0.0.80 detail 
inet.0: 20 destinations, 21 routes (20 active, 0 holddown, 0 hidden)
* 10.0.0.50/32 (1 entry, 1 announced)
 BGP group rr_client type Internal
     Nexthop: 10.0.15.2
     Localpref: 100
     AS path: [1] 2 2 I
     Communities: 4713:100
     Cluster ID: 10.0.0.40
     Originator ID: 10.0.0.10

     Addpath Path ID: 1
…
* 198.1.1.1/32 (1 entry, 1 announced)
 BGP group rr_client type Internal
     Nexthop: 10.0.0.20
     Localpref: 100
     AS path: [1] 2 I (Originator)
     Cluster list:  10.0.0.10
     Originator ID: 10.0.0.20
     Communities: 4713:100
     Cluster ID: 10.0.0.40
     Addpath Path ID: 1

* 199.1.1.1/32 (2 entries, 1 announced)
 BGP group rr_client type Internal
     Nexthop: 10.0.0.20
     Localpref: 100
     AS path: [1] 2 I (Originator)      
     Cluster list:  10.0.0.10
     Originator ID: 10.0.0.20
     Communities: 4713:100
     Cluster ID: 10.0.0.40
     Addpath Path ID: 1

user@RR4> show route advertising-protocol bgp 10.0.0.80 
inet.0: 20 destinations, 23 routes (20 active, 0 holddown, 0 hidden)
  Prefix                  Nexthop              MED     Lclpref    AS path
* 10.0.0.50/32            10.0.15.2                    100        2 2 I
* 10.0.0.60/32            10.0.0.20                    100        2 I
* 10.0.0.70/32            10.0.0.30                    100        2 I
* 198.1.1.1/32            10.0.0.20                    100        2 I
                          10.0.15.2                    100        2 2 I
* 199.1.1.1/32            10.0.0.20                    100        2 I
                          10.0.0.30                    100        2 I
                          10.0.15.2                    100        2 2 I

user@R8> show route receive-protocol bgp 10.0.0.40 

inet.0: 19 destinations, 22 routes (19 active, 0 holddown, 0 hidden)
  Prefix                  Nexthop              MED     Lclpref    AS path
* 10.0.0.50/32            10.0.15.2                    100        2 2 I
* 10.0.0.60/32            10.0.0.20                    100        2 I
* 10.0.0.70/32            10.0.0.30                    100        2 I
* 198.1.1.1/32            10.0.0.20                    100        2 I
                          10.0.15.2                    100        2 2 I
* 199.1.1.1/32            10.0.0.20                    100        2 I
                          10.0.0.30                    100        2 I
                          10.0.15.2                    100        2 2 I
 

user@RR4> show route 199.1.1.1/32 detail
inet.0: 20 destinations, 23 routes (20 active, 0 holddown, 0 hidden)
199.1.1.1/32 (3 entries, 3 announced)
        *BGP    Preference: 170/-101
                Next hop type: Indirect, Next hop index: 0
                Address: 0xae0ea90
                Next-hop reference count: 6
                Source: 10.0.0.10
                Next hop type: Router, Next hop index: 1115
                Next hop: 10.0.14.1 via ge-1/0/10.4, selected
                Session Id: 0x0
                Protocol next hop: 10.0.0.20
                Indirect next hop: 0xc4091f0 1048581 INH Session ID: 0x0
                State: <Active Int Ext>
                Local AS:     1 Peer AS:     1
                Age: 4d 20:56:53        Metric2: 2 
                Validation State: unverified 
                Task: BGP_1.10.0.0.10 
                Announcement bits (3): 2-KRT 3-BGP_RT_Background 4-Resolve tree 2 
                AS path: 2 I (Originator) 
                Cluster list:  10.0.0.10 
                Originator ID: 10.0.0.20 
                Communities: 4713:100 
                Accepted 
                Localpref: 100 
                Router ID: 10.0.0.10 
                Addpath Path ID: 1 
         BGP    Preference: 170/-101 
                Next hop type: Indirect, Next hop index: 0 
                Address: 0xae0eb50 
                Next-hop reference count: 3 
                Source: 10.0.0.10 
                Next hop type: Router, Next hop index: 1115 
                Next hop: 10.0.14.1 via lt-1/0/10.4, selected 
                Session Id: 0x0 
                Protocol next hop: 10.0.0.30 
                Indirect next hop: 0xc409300 1048582 INH Session ID: 0x0 
                State:  <NotBest Int Ext> 
                Inactive reason: Not Best in its group - Router ID 
                Local AS:     1 Peer AS:     1 
                Age: 4d 20:56:53        Metric2: 2 
                Validation State: unverified 
                Task: BGP_1.10.0.0.10 
                Announcement bits (1): 3-BGP_RT_Background 
                AS path: 2 I (Originator) 
                Cluster list:  10.0.0.10 
                Originator ID: 10.0.0.30 
                Communities: 4713:100 
                Accepted 
                Localpref: 100 
                Router ID: 10.0.0.10 
                Addpath Path ID: 2 
         BGP    Preference: 170/-101 
                Next hop type: Indirect, Next hop index: 0 
                Address: 0xae0e9d0 
                Next-hop reference count: 4 
                Source: 10.0.0.10 
                Next hop type: Router, Next hop index: 1115 
                Next hop: 10.0.14.1 via lt-1/0/10.4, selected 
                Session Id: 0x0 
                Protocol next hop: 10.0.15.2 
                Indirect next hop: 0xc4090e0 1048580 INH Session ID: 0x0 
                State:  <Int Ext> 
                Inactive reason: AS path 
                Local AS:     1 Peer AS:     1 
                Age: 4d 20:56:53        Metric2: 2 
                Validation State: unverified 
                Task: BGP_1.10.0.0.10 
                Announcement bits (1): 3-BGP_RT_Background 
                AS path: 2 2 I 
                Communities: 4713:100 
                Accepted 
                Localpref: 100 
                Router ID: 10.0.0.10 
                Addpath Path ID: 3