Dell EMC Configuration Guide for the S3100 Series 9.14.2.4

Configuring an IP Extended Community List

1. Create a extended community list and enter the EXTCOMMUNITY-LIST mode.
   CONFIGURATION mode
   ip extcommunity-list extcommunity-list-name
2. Two types of extended communities are supported.
   CONFIG-COMMUNITY-LIST mode
   {permit | deny} {{rt | soo} {ASN:NN | IPADDR:N} | regex REGEX-LINE}
   Filter routes based on the type of extended communities they carry using one of the following keywords:

   • rt: route target.
   • soo: route origin or site-of-origin. Support for matching extended communities against regular expression is also supported. Match against a regular expression using the following keyword.
   • regexp: regular expression.

DellEMC#show ip community-lists
ip community-list standard 1
  deny 701:20
  deny 702:20
  deny 703:20
  deny 704:20
  deny 705:20
  deny 14551:20
  deny 701:112
  deny 702:112
  deny 703:112
  deny 704:112
  deny 705:112
  deny 14551:112
  deny 701:667
  deny 702:667
  deny 703:667
  deny 704:666
  deny 705:666
  deny 14551:666
DellEMC#