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Examples: Configuring Link Interfaces

The examples in this section include only the configuration of link interfaces. For information about configuring the constituent interfaces, see the JUNOS Network Interfaces Configuration Guide.

Example: Configuring a Link Services Interface with Two Links

This example uses the MLFR UNI NNI protocol between Router A and Router B and logically connects link services bundles ls-1/1/0.3 and ls-0/0/0.10, as specified in Table 21.

Table 21: Link Services Bundle

Router A

Router B

t1-0/1/0 (ls-1/1/0:3)

t1-0/3/0 (ls-0/0/0:10)

t1-0/1/1 (ls-1/1/0:3)

t1-0/3/1 (ls-0/0/0:10)

For LMI to work properly, you must configure one router to be a DCE.

Configuration on Router A

[edit interfaces]
ls-1/1/0:3 {
dce;
encapsulation multilink-frame-relay-uni-nni;
unit 0 {
dlci 16;
family inet {
address 10.3.3.1/32 {
destination 10.3.3.2;
}
}
}
}
t1-0/1/0 {
encapsulation multilink-frame-relay-uni-nni;
unit 0 {
family mlfr-uni-nni {
bundle ls-1/1/0:3;
}
}
}
t1-0/1/1 {
encapsulation multilink-frame-relay-uni-nni;
unit 0 {
family mlfr-uni-nni {
bundle ls-1/1/0:3;
}
}
}

Configuration on Router B

[edit interfaces]
ls-0/0/0:10 {
encapsulation multilink-frame-relay-uni-nni;
unit 0 {
dlci 16;
family inet {
address 10.3.3.2/32 {
destination 10.3.3.1;
}
}
}
}
t1-0/3/0 {
encapsulation multilink-frame-relay-uni-nni;
unit 0 {
family mlfr-uni-nni {
bundle ls-0/0/0:10;
}
}
}
t1-0/3/1 {
encapsulation multilink-frame-relay-uni-nni;
unit 0 {
family mlfr-uni-nni {
bundle ls-0/0/0:10;
}
}
}

Example: Configuring a Link Services Interface with MLPPP

[edit interfaces]
t1-0/0/0 {
encapsulation ppp;
unit 0 {
family mlppp {
bundle ls-0/3/0.0;
}
}
}
t1-0/0/1 {
encapsulation ppp;
unit 0 {
family mlppp {
bundle ls-0/3/0.0;
}
}
}
ls-0/3/0 {
unit 0 {
encapsulation multilink-ppp;
family inet {
address 10.16.1.2/32 {
destination 10.16.1.1;
}
}
family iso;
family inet6 {
address 2001:DB8:1:2/126;
}
}
}

Example: Configuring a Link Services Interface with MLFR FRF.15

[edit interfaces]
t1-0/0/0 {
encapsulation frame-relay;
unit 0 {
dlci 16;
family mlfr-end-to-end {
bundle ls-0/3/0.0;
}
}
}
t1-0/0/1 {
encapsulation frame-relay;
unit 0 {
dlci 16;
family mlfr-end-to-end {
bundle ls-0/3/0.0;
}
}
}
ls-0/3/0 {
unit 0 {
encapsulation multilink-frame-relay-end-to-end;
family inet {
address 10.16.1.2/32 {
destination 10.16.1.1;
}
}
family iso;
family inet6 {
address 2001:DB8:1:2/12;
}
}
}

Example: Configuring a Link Services PIC with MLFR FRF.16

[edit chassis]
fpc 1 {
pic 2 {
mlfr-uni-nni-bundles 5;
}
}
[edit interfaces]
t1-0/0/0 {
encapsulation multilink-frame-relay-uni-nni;
unit 0 {
family mlfr-uni-nni {
bundle ls-1/2/0:0;
}
}
}
t1-0/0/1 {
encapsulation multilink-frame-relay-uni-nni;
unit 0 {
family mlfr-uni-nni {
bundle ls-1/2/0:0;
}
}
}
ls-1/2/0:0 {
dce;
encapsulation multilink-frame-relay-uni-nni;
unit 0 {
dlci 26;
family inet {
address 10.26.1.1/32 {
destination 10.26.1.2;
}
}
}
}

Example: Configuring Link and Voice Services Interfaces with a Combination of Bundle Types

[edit chassis]
fpc 1 {
pic 3 {
mlfr-uni-nni-bundles 4;
}
}
[edit interfaces]
t1-0/2/0:0 {
encapsulation multilink-frame-relay-uni-nni;
unit 0 {
family mlfr-uni-nni {
bundle ls-1/3/0:0;
}
}
}
t1-0/2/0:1 {
encapsulation multilink-frame-relay-uni-nni;
unit 0 {
family mlfr-uni-nni {
bundle ls-1/3/0:0;
}
}
}
t1-0/2/0:5 {
unit 0 {
family mlppp {
bundle ls-1/3/0.2;
}
}
}
t1-0/2/0:6 {
unit 0 {
family mlppp {
bundle ls-1/3/0.2;
}
}
}
t1-0/2/0:7 {
encapsulation frame-relay;
unit 0 {
dlci 20;
family mlfr-end-to-end {
bundle ls-1/3/0.1;
}
}
}
t1-0/2/0:8 {
encapsulation frame-relay;
unit 0 {
dlci 20;
family mlfr-end-to-end {
bundle ls-1/3/0.1;
}
}
}
t1-0/2/0:10 {
no-keepalives;
encapsulation ppp;
unit 0 {
family mlppp {
bundle lsq-1/1/0.0;
}
}
}
t3-1/0/0 {
no-keepalives;
encapsulation ppp;
unit 0 {
family mlppp {
bundle lsq-1/1/0.2;
}
}
}
lsq-1/1/0 {
unit 0 {
encapsulation multilink-ppp;
compression {
rtp {
f-max-period 100;
queues [ q1 q2 ];
port minimum 2000 maximum 6000;
}
}
family inet {
address 10.5.5.5/24;
}
}
unit 1 {
encapsulation multilink-ppp;
compression {
rtp {
port minimum 2000 maximum 6000;
}
}
family inet {
address 10.6.6.1/24;
}
}
unit 2 {
encapsulation multilink-ppp;
compression {
rtp {
port minimum 2000 maximum 6000;
}
}
family inet {
address 10.9.9.1/24;
}
}
}
t1-1/2/0 {
no-keepalives;
unit 0 {
family mlppp {
bundle lsq-1/1/0.1;
}
}
}
ls-1/3/0 {
unit 1 {
encapsulation multilink-frame-relay-end-to-end;
family inet {
address 10.1.4.1/24;
}
}
unit 2 {
encapsulation multilink-ppp;
family inet {
address 10.7.4.1/24;
}
}
}
ls-1/3/0:0 {
encapsulation multilink-frame-relay-uni-nni;
mlfr-uni-nni-bundle-options {
debug-flags 15;
}
unit 0 {
dlci 20;
family inet {
address 10.5.4.1/24;
}
}
}
[edit routing-options]
static {
route 10.12.12.0/24 next-hop 10.1.1.9;
}

On Router B:

[edit chassis]
fpc 1 {
pic 3 {
mlfr-uni-nni-bundles 4;
}
}
[edit interfaces]
ge-0/0/0 {
unit 0 {
family inet {
address 10.1.1.1/24;
}
}
}
so-0/1/1 {
encapsulation ppp;
unit 0 {
family inet {
address 10.7.7.7/24;
}
}
}
t1-0/2/0:0 {
encapsulation multilink-frame-relay-uni-nni;
unit 0 {
family mlfr-uni-nni {
bundle ls-1/3/0:0;
}
}
}
t1-0/2/0:1 {
encapsulation multilink-frame-relay-uni-nni;
unit 0 {
family mlfr-uni-nni {
bundle ls-1/3/0:0;
}
}
}
t1-0/2/0:5 {
no-keepalives;
unit 0 {
family mlppp {
bundle ls-1/3/0.2;
}
}
}
t1-0/2/0:6 {
no-keepalives;
unit 0 {
family mlppp {
bundle ls-1/3/0.2;
}
}
}
t1-0/2/0:7 {
dce;
encapsulation frame-relay;
unit 0 {
dlci 20;
family mlfr-end-to-end {
bundle ls-1/3/0.1;
}
}
}
t1-0/2/0:8 {
dce;
encapsulation frame-relay;
unit 0 {
dlci 20;
family mlfr-end-to-end {
bundle ls-1/3/0.1;
}
}
}
t1-0/2/0:10 {
no-keepalives;
encapsulation ppp;
unit 0 {
family mlppp {
bundle lsq-1/1/0.0;
}
}
}
t3-0/3/0 {
no-keepalives;
encapsulation ppp;
unit 0 {
family mlppp {
bundle lsq-1/1/0.2;
}
}
}
ge-1/0/0 {
unit 0 {
family inet {
address 10.2.2.1/24;
}
}
}
lsq-1/1/0 {
unit 0 {
compression {
rtp {
port minimum 2000 maximum 6000;
}
}
family inet {
address 10.5.5.1/24;
}
}
unit 1 {
encapsulation multilink-ppp;
compression {
rtp {
port minimum 16384 maximum 20102;
}
}
family inet {
address 10.3.4.1/24;
}
}
unit 2 {
encapsulation multilink-ppp;
compression {
rtp {
port minimum 2000 maximum 6000;
}
}
family inet {
address 10.9.9.9/24;
}
}
}
t1-1/2/2 {
no-keepalives;
unit 0 {
family mlppp {
bundle ls-1/3/0.1;
}
}
}
t1-1/2/3 {
no-keepalives;
unit 0 {
family mlppp {
bundle lsq-1/1/0.1;
}
}
}
ls-1/3/0 {
unit 1 {
encapsulation multilink-frame-relay-end-to-end;
family inet {
address 10.1.4.4/24;
}
family iso;
}
unit 2 {
encapsulation multilink-ppp;
family inet {
address 10.7.4.4/24;
}
}
}
ls-1/3/0:0 {
dce;
encapsulation multilink-frame-relay-uni-nni;
unit 0 {
dlci 20;
family inet {
address 10.5.4.4/24;
}
}
}
[edit routing-options]
static {
route 10.12.12.0/24 next-hop 10.3.4.4;
}
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