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Example: Configuring a TCC
Configure a full-duplex switching translational cross-connect with PPP TCC encapsulation between Router A and Router C, using a Juniper Networks router, Router B, as the virtual switch. See the topology in Figure 1.
In this topology, Router B has a PPP connection to Router A and an ATM connection to Router C.
Figure 1: Layer 2.5 Switching Translational Cross-Connect
On Router A
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interfaces {so-0/1/0 {description "to Router B so-1/0/0";encapsulation ppp;unit 0 {family inet {address 10.1.1.1/30;}}}}
On Router B
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interfaces {so-1/0/0 {description "to Router A so-0/1/0";encapsulation ppp-tcc;unit 0 {}}at-1/1/0 {description "to Router C at-0/3/0";atm-options {vpi 0 maximum-vcs 2000;}unit 32 {vci 32;encapsulation atm-tcc-vc-mux;}}}
[edit]protocols {mpls {interface so-1/0/0.0;interface at-1/1/0.32;}connections {interface-switch PPP-to-ATM {interface so-1/0/0.0;interface at-1/1/0.32;}}}
On Router C
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interfaces {at-0/3/0 {description "to Router B at-1/1/0";atm-options {vpi 0 maximum-vcs 2000;}unit 32 {vci 32;encapsulation atm-vc-mux;family inet {address 10.1.1.2/30;}}}}
