Just want to know more abt. the usage of this command. I know the command has its attributes like ie) export, internet ...etc. I want to know that if I see something like this,
set community 65111:2211
Is this command used to tag routes so that when it reached its neighbor, further action can be taken on it ?
- InternetB -
Communities are used to tag certain routes so that appropriate action can be taken on the prefixes carrying this tag as per the defined policy.
There are 4 standard communities available
By default all prefixes belong to this community
routes tagged with this community are not advertised to any external BGP peers
Routes tagged with this community are not advertised to any BGP peer (external as well as internal)
It is similar to no-export community but within a confederation