Suppress Map - Avaya 1000 Series Configuration Manual

The above command would send only an aggregated summary route and suppress all other
more specific routes under that.
View the Avaya2 bgp table now.
Avaya2> show ip bgp table
BGP route table, local router ID is 100.1.1.3 Status codes: * valid, > best, i -
internal Origin codes: i - IGP, e - EGP, ? - incomplete
Network
18.1.1.0/24
18.1.2.0/24
18.1.4.0/24
The above output shows only 18.1.0.0/21 instead of all the 18.1.1.0 to 18.1.7.0 routes. The
originating AS is still 100 in this case.
In order to know which AS routes were used to do this aggregation 18.1.0.0/21 specify the
keyword as_set, telling Avaya to send the AS_SET information to other peers.
Avaya1/configure/router/bgp 100> aggregate_address 18.1.0.0
255.255.248.0 summary_only as_set
Avaya2> show ip bgp table
BGP route table, local router ID is 100.1.1.3 Status codes: * valid, > best, i -
internal Origin codes: i - IGP, e - EGP, ? - incomplete
Network
18.1.1.0/24
18.1.2.0/24
18.1.0.0/24
In the above output the PATH info for 18.1.0.0/21 is shown as "100 200", which means that
routes from AS200 is used for announcing the aggregate 18.1.0.0/21.

Suppress Map

Suppress maps in aggregate address command is used to specify what are the more specific
routes that needs to be suppress from sending along with the aggregated route.
select a few routes to be advertised along with aggregate address by using the suppress map.
Remove the aggregate address command on Avaya1.
Avaya Secure Router 1000 Series Configuration Guide
Orig Next Hop Next Hop
20.1.1.1 20.1.1.1
20.1.1.1 20.1.1.1
20.1.1.1 20.1.1.1
Orig Next Hop Next Hop
20.1.1.1 20.1.1.1
20.1.1.1 20.1.1.1
20.1.1.1 20.1.1.1
Metric LocPrf
Metric LocPrf
Configuring BGP Policies
Path
100 200 ?
100 200 ?
100 i
Path
100 200 ?
100 200 ?
100 200 ?
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