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Before configuring Router B and Router C, first identify which DLSw version they support. If
they are DLSw v2.0 capable, the configuration is similar as on Router A. If they are DLSw v1.0
capable, remove the multicast and explorer frame retransmission part from the configuration.
For the configuration on the Cisco router, see Cisco documentation.
Ethernet redundancy configuration example for LAN-to-LAN
DLSw
Network requirements
As shown in Figure 82:
• DLSw operates in LAN-to-LAN mode.
• Configure DLSw on Router A, Router B, and Router C to connect the IBM host with the SNA
host through the Internet.
• Configure Router B as the primary router and Router C as the secondary router to implement
DLSw Ethernet redundancy.
Figure 82 Network diagram
Configuration procedures
1. Configure Router A:
# Configure interfaces on Router A to make sure that the local DLSw peer 1.1.1.1 and remote
peers 2.2.2.2 and 3.3.3.3 can reach each other. (Details not shown.)
# Configure DLSw on Router A.
<RouterA> system-view
[RouterA] bridge enable
[RouterA] bridge 5 enable
[RouterA] dlsw local 1.1.1.1
[RouterA] dlsw remote 2.2.2.2
[RouterA] dlsw remote 3.3.3.3
[RouterA] dlsw bridge-set 5
[RouterA] interface ethernet 1/0
[RouterA-Ethernet1/0] bridge-set 5
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