Configuration Guide

Table Of Contents
©2021 Extreme Networks, Inc. All rights reserved
October 2021
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Verify Operations:
show virtual-ist
show isis spbm
Only C-VLANs (VLAN to which an ISID is assigned) can be assigned to SMLT ports with vIST. For each
C-VLAN added, an ISID must be assigned to both SMLT cluster switches to allow learning between the
two cluster switches including IP Shortcuts and L3VSN CVLANs.
BEB-1 BEB-2
IP Shortcuts Example – CVLAN Configuration
vlan create 1000 type port-mstprstp 0
vlan i-sid 1000 4001000
vlan mlt 1000 1
interface vlan 1000
ip address 192.168.100.1 255.255.255.0
ip rsmlt
ip rsmlt holdup-timer 9999
exit
vlan create 1000 type port-mstprstp 0
vlan i-sid 1000 4001000
vlan mlt 1000 1
interface vlan 1000
ip address 192.168.100.2 255.255.255.0
ip rsmlt
ip rsmlt holdup-timer 9999
exit
L3VSN Example – CVLAN Configuration
ip vrf blue
vlan create 2255 type port-mstprstp 0
vlan i-sid 2255 5002255
vlan mlt 2255 1
interface Vlan 2255
vrf blue
ip address 192.168.100.1 255.255.255.0
ip rsmlt
ip rsmlt holdup-timer 9999
exit
router vrf blue
ipvpn
i-sid 3002255
ipvpn enable
exit
ip vrf blue
vlan create 2255 type port-mstprstp 0
vlan i-sid 2255 5002255
vlan mlt 2255 1
interface Vlan 2255
vrf blue
ip address 192.168.100.1 255.255.255.0
ip rsmlt
ip rsmlt holdup-timer 9999
exit
router vrf blue
ipvpn
i-sid 3002255
ipvpn enable
exit