Cisco Systems BC-109 manual LNM for a Simple Network Example

LNM for a Simple Network Example

LNM for a Simple Network Example

Figure 65 shows a router with two Token Rings configured as a local source-route bridge.

Figure 65 Router with Two Token Rings Configured as a Local Source-Route Bridge

Physical configuration

Token	T1	Token
Ring 1	T0	Ring 3

Logical configuration

Token	SRB 2
Ring 1

Token Ring 3

S1115a

The associated configuration file follows:

interface tokenring 0 source-bridge 1 2 3

!

interface tokenring 1 source-bridge 3 2 1

The show lnm config command displays the logical configuration of this bridge, including the LNM configuration information that needs to be entered at the LNM Station. A sample show lnm config display follows:

Wayfarer# show lnm config

Bridge(s) currently configured:

From	ring	001, address 0000.3000.abc4
Across bridge		002
To	ring	003, address 0000.3000.5735

In this example, the MAC addresses 0000.3000.abc4 and 000.3000.5735 must be configured as Adapter Addresses at the LNM Station.

Configuring Source-Route Bridging BC-157