Configuration Guide

Table Of Contents
Core GRT – Route Map/Route Policy
©2021 Extreme Networks, Inc. All rights reserved
October 2021
148
If using the GRT method for Fabric Extend, you have to add a r
local OSPF networks from also being advertised by ISIS. For this
nodes 8201, 4001, and 4002.
o
ute-map or route policy to prevent the
example, we will route a route-map for
ip prefix-list "no_local_ospf" 10.4.4.41/32
ip prefix-list "no_local_ospf" 10.8.3.12/30
ge 30 le 32
route-map "no_local" 1
no permit
enable
match network "no_local_ospf"
exit
route-map "no_local" 65535
permit
enable
exit
router isis
redistribute direct route-map "no_local"
exit
isis apply redistribute direct
s
reserved
148
ip prefix-list "no_local_ospf" 10.4.4.42/32
ip prefix-list "no_local_ospf" 10.8.3.8/30 ge 30 le 32
route-map "no_local" 1
no permit
enable
match network "no_local_ospf"
exit
route-map "no_local" 65535
permit
enable
exit
router isis
redistribute direct route-map "no_local"
exit
isis apply redistribute direct
ip prefix-list "no_local_ospf" 10.8.15.0/30 ge 30 le 32
route-map "no_local" 1
no permit
enable
match network "no_local_ospf"
exit
route-map "no_loc" 65535
permit
enable
exit
router isis
redistribute direct route-map “no_local”
exit
isis apply redistribute direct