Example: Configuring An Ethernet Tcc Or Extended Vlan Tcc; Figure 59: Topology Of Layer 2.5 Translational Cross-Connect - Juniper JUNOS 10.1 - CONFIGURATION GUIDE 1-2010 Configuration Manual

For Ethernet TCC encapsulation, you must also configure the logical interface by
including the
You can include these statements at the following hierarchy levels:
The proxy address is the IP address of the non-Ethernet TCC neighbor for which the
TCC router is acting as a proxy.
The remote address is the IP or MAC address of the remote router. The
statement provides ARP capability from the TCC switching router to the Ethernet
neighbor. The MAC address is the physical Layer 2 address of the Ethernet neighbor.
Ethernet TCC is supported on interfaces that carry IPv4 traffic only. For 8-port,
12-port, and 48-port Fast Ethernet PICs, TCC and extended VLAN CCC are not
supported. For 4-port Gigabit Ethernet PICs, extended VLAN CCC and extended VLAN
TCC are not supported.

Example: Configuring an Ethernet TCC or Extended VLAN TCC

Configure a full-duplex Layer 2.5 translational cross-connect between Router A and
Router C, using a Juniper Networks router, Router B, as the TCC interface. Ethernet
TCC encapsulation provides an Ethernet wide area circuit for interconnecting IP
traffic. (See the topology in Figure 59 on page 691.)
The Router A-to-Router B circuit is PPP, and the Router B-to-Router C circuit accepts
packets carrying standard TPID values.
If traffic flows from Router A to Router C, the JUNOS Software strips all PPP
encapsulation data from incoming packets and adds Ethernet encapsulation data
before forwarding the packets. If traffic flows from Router C to Router A, the JUNOS
Software strips all Ethernet encapsulation data from incoming packets and adds PPP
encapsulation data before forwarding the packets.

Figure 59: Topology of Layer 2.5 Translational Cross-Connect

On Router B
and
proxy remote
proxy {
inet-address;
}
remote {
(inet-address | mac-address);
}
[edit interfaces interface-name unit logical-unit-number family tcc]
[edit logical-systems logical-system-name interfaces interface-name unit
logical-unit-number family tcc]
interfaces ge-0/0/0 {
encapsulation ethernet-tcc;
Chapter 38: Configuring TCC and Layer 2.5 Switching
statements:
Configuring Ethernet TCC
remote
691