Monitoring the MED Cont

The same network used in the previous lesson on BGP local preference is used in this topic to produce the sample output that follows. All commands were executed on router RTR-C.

Some routing updates from router RTR-B are sent to router RTR-C with a MED of 500. Some updates from RTR-B to RTR-C have the MED set to 0, and some are without a MED attribute. Inbound soft reconfiguration is used on router RTR-C.

4-70 Configuring BGP on Cisco Routers (BGP) v3.2 © 2005, Cisco Systems, Inc.

Monitoring the MED (Cont.)

Monitoring the MED (Cont.)

Both networks that are received from router RTR-B have a MED of 500. Network 10.0.0.0/8, which is received from RTR-A, has no MED attribute, while network 11.0.0.0/8 has a MED value of 0.

© 2005, Cisco Systems, Inc. Route Selection Using Attributes 4-71

When looking at detailed information for a specific network, you will see the MED (via the show ip bgp prefix command) only if the attribute exists.

4-72 Configuring BGP on Cisco Routers (BGP) v3.2 © 2005, Cisco Systems, Inc.

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Search Engine Optimization Overview

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