Sample RPVST configuration with VSX
The following figure shows a sample RPVST configuration.
The configuration for this figure is provided in the following sections.
VSX Primary Configuration
configure
hostname vsx-pri
vlan 1,10,20
spanning-tree mode rpvst
spanning-tree
spanning-tree vlan 1,10,20
interface mgmt
no shutdown
ip dhcp
interface lag 1 multi-chassis
no shutdown
no routing
vlan trunk native 1
vlan trunk allowed all
lacp mode active
interface lag 100
no shutdown
no routing
vlan trunk native 1
vlan trunk allowed all
lacp mode active
interface 1/1/1
no shutdown
lag 100
interface 1/1/3
no shutdown
lag 1
interface 1/1/2
no shutdown
routing
ip address 1.1.1.1/24
vsx
inter-switch-link lag 100
role primary
keepalive peer 1.1.1.2 source 1.1.1.1
VSX secondary configuration
configure
hostname vsx-sec
vlan 1,10,20
spanning-tree mode rpvst
spanning-tree
spanning-tree vlan 1,10,20
interface mgmt
no shutdown
ip dhcp
interface lag 1 multi-chassis
no shutdown
no routing
vlan trunk native 1
vlan trunk allowed all
lacp mode active
interface lag 100
no shutdown
no routing
vlan trunk native 1
vlan trunk allowed all
lacp mode active
interface 1/1/7
no shutdown
lag 100
interface 1/1/9
no shutdown
lag 1
interface 1/1/8
no shutdown
routing
ip address 1.1.1.2/24
vsx
inter-switch-link lag 100
role secondary
keepalive peer 1.1.1.1 source 1.1.1.2
Access switch configuration
configure
hostname l2-access
vlan 1,10,20
spanning-tree mode rpvst
spanning-tree
spanning-tree vlan 1,10,20
interface mgmt
no shutdown
ip dhcp
interface lag 1
no shutdown
no routing
vlan trunk native 1
vlan trunk allowed all
lacp mode active
interface 1/1/10
no shutdown
lag 1
interface 1/1/11
no shutdown
lag 1