Community Attribute Example - Cabletron Systems SmartSwitch Router User's Reference Manual

The gated.conf file for router SSR3 is as follows:
static {
};
The CLI configuration for router SSR4 is as follows:
bgp create peer-group ebgp_multihop autonomous-system 64801 type external
bgp add peer-host 18.122.128.2 group ebgp_multihop
!
! Specify the gateway option ,
! gateway option to the address of the router that has a route to the
! peer.
!
bgp set peer-host 18.122.128.2 gateway 16.122.128.3 group ebgp_multihop
The gated.conf file for router SSR4 is as follows:
autonomoussystem 64800 ;
routerid 0.0.0.1 ;
bgp yes {

Community Attribute Example

The following configuration illustrates the BGP community attribute. Community is
specified as one of the parameters in the optional attributes list option of the ip-router
policy create command.
Figure 11 shows a BGP configuration where the specific community attribute is used.
Figure 12
SmartSwitch Router User Reference Manual
16.122.0.0 masklen 16
gateway 17.122.128.3
;
traceoptions state ;
group type external peeras 64801
{
peer 18.122.128.2
shows a BGP configuration where the well-known community attribute is used.
which indicates EBGP multihop. Set the
gateway 16.122.128.3
Chapter 10: BGP Configuration Guide
147