Brocade FastIron Ethernet Switch Layer 3 Routing Configuration Guide - Manual (Page 393)

FIGURE 30 Example of customer connected to two ISPs
In the next example, ISP-A has purchased ISP-B. The AS associated with ISP-B changes to AS 100. If
Customer C cannot or does not want to change their configuration or peering relationship with ISP-B, a
peer with Local-AS configured with the value 200 can be established on ISP-B.
FIGURE 31 Example of Local AS configured on ISP-B
A Local AS is configured using the BGP4 neighbor command. To confirm that a Local AS has been
configured, use the show ip bgp neighbors command.
Basic configuration and activation for BGP4
BGP4 is disabled by default. Follow the steps below to enable BGP4.
Basic configuration and activation for BGP4
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