Configuration Guide

Table Of Contents
©2021 Extreme Networks, Inc. All rights reserved
October 2021
142
20.1.27
Fabric Extend over Routed Infrastructure using VRF
to interconnect to routed network
Please begin by enable IP Shortcuts on all switches – see section above titled IP Shortcuts. On the VSP
4000 switches (4001 and 4002), we will create loopback 10 to be used for both the OSPF router-id and for
the tunnel source IP address. On the VSP 8000 switch (8201), we will simple just use a brouter interface
and use this IP address as the tunnel source. Switch 8201 in this example will use the loopback 10 interface
created on the 4001 and 4002, as the tunnel termination point while nodes 4001 and 4002 will use the
brouter interface on 8201 as the tunnel termination point.
ip vrf fab_ext
router vrf fab_ext
ip ospf
ip ospf admin-state
exit
interface GigabitEthernet 2/4
no shutdown
vrf fab_ext
brouter vlan 15 subnet 10.8.15.2/30
no spanning-tree mstp force-port-state enable
ip ospf enable
exit
ip vrf fab_ext
router vrf fab_ext
ip ospf
ip ospf admin-state
exit
interface GigabitEthernet 1/33
no shutdown
vrf fab_ext
brouter vlan 4 subnet 10.8.3.10/30
no spanning-tree mstp force-port-state enable
ip ospf enable
exit
interface loopback 10
ip address 10 10.4.4.42/32 vrf fab_ext
ip ospf 10 vrf fab_ext
exit
router vrf fab_ext
ip ospf router-id 10.4.4.42
ip ospf admin-state
exit
ip vrf fab_ext
router vrf fab_ext
ip ospf
ip ospf admin-state
exit
vlan create 15 name "core_vlan15" type port-mstprstp 0
vlan members 15 1/33
interface Vlan 15
vrf fab_ext
ip address 10.8.3.14 255.255.255.252
ip ospf enable
exit
interface GigabitEthernet 1/33
no shutdown
no spanning-tree mstp force-port-state enable
exit
interface loopback 10
ip address 10 10.4.4.41/32 vrf fab_ext
ip ospf 10 vrf fab_ext
exit
router vrf fab_ext
ip ospf router-id 10.4.4.41
ip ospf admin-state
exit
Configure Core Networking - VRF