Brocade TurboIron 24X Series Configuration Guide - Manual (Page 732)

698 Brocade TurboIron 24X Series Configuration Guide
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Optional configuration tasks
By default, the clients of a route reflector are not required to be fully meshed; the routes from a
client are reflected to other clients. However, if the clients are fully meshed, route reflection is not
required between clients.
If you need to disable route reflection between clients, enter the following command. When the
feature is disabled, route reflection does not occur between clients but reflection does still occur
between clients and non-clients.
TurboIron(config-bgp-router)#no client-to-client-reflection
Enter the following command to re-enable the feature.
TurboIron(config-bgp-router)#client-to-client-reflection
Syntax: [no] client-to-client-reflection
Aggregating routes advertised to BGP4 neighbors
By default, the Layer 3 Switch advertises individual routes for all the networks. The aggregation
feature allows you to configure the Layer 3 Switch to aggregate routes in a range of networks into a
single CIDR number. For example, without aggregation, the Layer 3 Switch will individually advertise
routes for networks 10.95.1.0, 10.95.2.0, and 10.95.3.0. You can configure the Layer 3 Switch to
instead send a single, aggregate route for the networks. The aggregate route would be advertised
as 10.95.0.0.
NOTE
To summarize CIDR networks, you must use the aggregation feature. The auto summary feature
does not summarize networks that use CIDR numbers instead of class A, B, or C numbers.
To aggregate routes for 10.157.22.0, 10.157.23.0, and 10.157.24.0, enter the following command.
TurboIron(config-bgp-router)#aggregate-address 10.157.0.0 255.255.0.0
Syntax: aggregate-address <ip-addr> <ip-mask> [as-set] [nlri multicast | unicast | multicast
unicast] [summary-only] [suppress-map <map-name>] [advertise-map <map-name>]
[attribute-map <map-name>]
The <ip-addr> and <ip-mask> parameters specify the aggregate value for the networks. Specify 0
for the host portion and for the network portion that differs among the networks in the aggregate.
For example, to aggregate 10.0.1.0, 10.0.2.0, and 10.0.3.0, enter the IP address 10.0.0.0 and the
network mask 255.255.0.0.
The as-set parameter causes the router to aggregate AS-path information for all the routes in the
aggregate address into a single AS-path.
The nlri multicast | unicast | multicast unicast parameter specifies whether the neighbor is a
multicast neighbor or a unicast neighbor. Optionally, you also can specify unicast if you want the
Layer 3 Switch to exchange unicast (BGP4) routes as well as multicast routes with the neighbor.
The default is unicast only.
The summary-only parameter prevents the router from advertising more specific routes contained
within the aggregate route.
The suppress-map <map-name> parameter prevents the more specific routes contained in the
specified route map from being advertised.
The advertise-map <map-name> parameter configures the router to advertise the more specific
routes in the specified route map.