Users Guide

Layer 3 Routing Commands 1250
BGP accepts up to 128 summary addresses for each address family.
Command History
Introduced in version 6.2.0.1 firmware.
Example
console(config-router)#aggregate-address 10.27.21.0 255.255.255.0
bgp aggregate-different-meds (BGP Router
Configuration)
Use the bgp aggregate-different-meds command to control the aggregation of
routes with different multi-exit discriminator (MED) attributes. By default,
BGP only aggregates routes that have the same MED value.
Syntax
bgp aggregate-different-meds
no bgp aggregate-different-meds
Default Configuration
By default, all the routes aggregated by a given aggregate address must have
the same MED value.
Command Mode
BGP Router Configuration mode
User Guidelines
When this command is used, the path for an active aggregate address is
advertised without an MED attribute and the MED attribute is not
considered in aggregating routes. When this command is not used, if
multiple routes match an aggregate address, but have different MEDs, the
aggregate takes the MED of the first matching route and any other matching
prefix with the same MED is included in the aggregate. Matching prefixes
with different MEDs are not considered part of the aggregate and continue to
be advertised as individual routes.