Figure 29: Simplex To Simplex Pseudowire Switching - Alcatel-Lucent 7705 Service Manual

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Pseudowire Switching

The pseudowire segment between the 7705 SAR and the 7750 SR supports OAM tools as

well as BFD; however, since Node Bs are not dual-homed, OAM tools operating on this

pseudowire segment can only provide informative messages. The 7705 SAR responds to

Node B-initiated ping packets if the destination IP address is the system IP or interface IP

address of the 7705 SAR. If the IP packet does not contain a SAR destination IP address, the

7705 SAR does not respond, and instead, forwards the packet.

This service consists of a SAP and a spoke SDP. However, the target destination of the SDP

is not the remote PE but the pseudowire switching node. In addition, the user configures a

VLL service on the pseudowire switching node using the two SDPs.

Optional CW-1

PW segment 1

Configuration examples can be found in

shows an example of static-simplex to dynamic-simplex pseudowire switching.

Figure 29: Simplex to Simplex Pseudowire Switching

Optional CW-2

Metro Ethernet

PW segment 2

Configuring PW Switching on page

7705 SAR OS Services Guide

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