Wired Intelligent Edge

Hello

We have two pairs of 6400 chassis setup, each in VSX and we're migrating away from an old pair of Cisco VSS.

Currently the the two VSX pairs have no direct connection, communication between the VSX pairs goes through the Cisco kit.

These pairs are in separate data centers and I've added VLAN interfaces to both VSX pairs with VRRP configured:

interface vlan 100
    ip address 192.168.1.x/26
    ip ospf 1 area 0.0.0.0
    ip helper-address 10.100.1.5
    ip helper-address 10.100.1.6
    vrrp 1 address-family ipv4
        address 192.168.1.1 primary
        preempt delay minimum 600
        priority 250
        no shutdown
        exit

The problem I have is that when I show vrrp brief on the 4 6400 switches i see one of each pair is showing active. 

I'm assuming there must be some communication problem between the two pairs?

Thanks

Hello

We have two pairs of 6400 chassis setup, each in VSX and we're migrating away from an old pair of Cisco VSS.

Currently the the two VSX pairs have no direct connection, communication between the VSX pairs goes through the Cisco kit.

These pairs are in separate data centers and I've added VLAN interfaces to both VSX pairs with VRRP configured:

interface vlan 100
    ip address 192.168.1.x/26
    ip ospf 1 area 0.0.0.0
    ip helper-address 10.100.1.5
    ip helper-address 10.100.1.6
    vrrp 1 address-family ipv4
        address 192.168.1.1 primary
        preempt delay minimum 600
        priority 250
        no shutdown
        exit

The problem I have is that when I show vrrp brief on the 4 6400 switches i see one of each pair is showing active. 

I'm assuming there must be some communication problem between the two pairs?

Thanks

Hello

We have two pairs of 6400 chassis setup, each in VSX and we're migrating away from an old pair of Cisco VSS.

Currently the the two VSX pairs have no direct connection, communication between the VSX pairs goes through the Cisco kit.

These pairs are in separate data centers and I've added VLAN interfaces to both VSX pairs with VRRP configured:

interface vlan 100
    ip address 192.168.1.x/26
    ip ospf 1 area 0.0.0.0
    ip helper-address 10.100.1.5
    ip helper-address 10.100.1.6
    vrrp 1 address-family ipv4
        address 192.168.1.1 primary
        preempt delay minimum 600
        priority 250
        no shutdown
        exit

The problem I have is that when I show vrrp brief on the 4 6400 switches i see one of each pair is showing active. 

I'm assuming there must be some communication problem between the two pairs?

Thanks

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Hi,

I agree with Thomas, generally it should be working.

I also have two VSX Clusters (2 Pairs of Core Switches in different rooms), and my Out-of-Band-Management Network is connected via VRRP to all if these 4 Core Switches (CSW).

But There is a difference in my configuration. I am using L3 Ports on the Aruba CX 8325 Ports, not a SVI. 
As Thomas said, check the L2 connectivity and also your spaning tree. If youre using SVI and connect two VSX pairs, there must be STP blocked ports!

My configuration:

Main Cluster, Primary Member:csw-rz-r08# sh vrrpVRRP is enabledInterface 1/1/19 - Group 12 - Address-Family IPv4  State is STANDBY  State duration 21 days 08 hours 38 mins 04.941 secs  Virtual IP address is 172.18.12.1  Virtual MAC address is 00:00:5e:00:01:0c  Advertisement interval is 1000 msec  Version is 2  Preemption is enabled   min delay is 0 sec  Priority is 100  BFD is enabled  Active Router is 172.18.12.5  Active Advertisement interval is 1000 msec  Active Down interval is 3609 mseccsw-rz-r08# sh run int 1/1/19interface 1/1/19    description oobm-sw-rz-r08_P_13    no shutdown    mtu 9198    vrf attach OOBM    ip address 172.18.12.2/23    vsx shutdown-on-split    udld    ip helper-address 172.19.0.10    vrrp 12 address-family ipv4        address 172.18.12.1 primary        bfd 172.18.12.11        no shutdown        exit    exitcsw-rz-r08#Main Cluster, Secondary VSX Member:csw-rz-r09# sh vrrpVRRP is enabledInterface 1/1/19 - Group 12 - Address-Family IPv4  State is STANDBY  State duration 20 days 08 hours 38 mins 27.261 secs  Virtual IP address is 172.18.12.1  Virtual MAC address is 00:00:5e:00:01:0c  Advertisement interval is 1000 msec  Version is 2  Preemption is enabled   min delay is 0 sec  Priority is 100  BFD is enabled  Active Router is 172.18.12.5  Active Advertisement interval is 1000 msec  Active Down interval is 3609 mseccsw-rz-r09# sh run int 1/1/19interface 1/1/19    description oobm-sw-rz-r09_P_13    no shutdown    vrf attach OOBM    ip address 172.18.12.3/23    vsx shutdown-on-split    udld    ip helper-address 172.19.0.10    vrrp 12 address-family ipv4        address 172.18.12.1 primary        bfd 172.18.12.12        no shutdown        exit    exitcsw-rz-r09#

"Backup" Cluster, Primary Member:csw-bu-r02# sh vrrpVRRP is enabledInterface 1/1/19 - Group 12 - Address-Family IPv4  State is STANDBY  State duration 8 days 20 hours 21 mins 31.804 secs  Virtual IP address is 172.18.12.1  Virtual MAC address is 00:00:5e:00:01:0c  Advertisement interval is 1000 msec  Version is 2  Preemption is enabled   min delay is 0 sec  Priority is 100  BFD is enabled  Active Router is 172.18.12.5  Active Advertisement interval is 1000 msec  Active Down interval is 3609 mseccsw-bu-r02# sh run int 1/1/19interface 1/1/19    description oobm-sw-bu-r02_P_13    no shutdown    mtu 9198    vrf attach OOBM    ip address 172.18.12.4/23    vsx shutdown-on-split    udld    ip helper-address 172.19.0.10    vrrp 12 address-family ipv4        address 172.18.12.1 primary        bfd 172.18.12.111        no shutdown        exit    exitcsw-bu-r02#"Backup" Cluster, Secondary Member:csw-bu-r03# sh vrrpVRRP is enabledInterface 1/1/19 - Group 12 - Address-Family IPv4  State is ACTIVE  State duration 20 days 08 hours 38 mins 19.289 secs  Virtual IP address is 172.18.12.1  Virtual MAC address is 00:00:5e:00:01:0c  Advertisement interval is 1000 msec  Version is 2  Preemption is enabled   min delay is 0 sec  Priority is 100  BFD is enabled  Active Router is 172.18.12.5 (local)  Active Advertisement interval is 1000 msec  Active Down interval is 3609 mseccsw-bu-r03# sh run int 1/1/19interface 1/1/19    description oobm-sw-bu-r03_P_13    no shutdown    mtu 9198    vrf attach OOBM    ip address 172.18.12.5/23    vsx shutdown-on-split    udld    ip helper-address 172.19.0.10    vrrp 12 address-family ipv4        address 172.18.12.1 primary        bfd 172.18.12.112        no shutdown        exit    exitcsw-bu-r03#

Original Message:
Sent: Apr 18, 2025 10:59 AM
From: nopenope
Subject: VRRP with two VSX pairs

Hello

We have two pairs of 6400 chassis setup, each in VSX and we're migrating away from an old pair of Cisco VSS.

Currently the the two VSX pairs have no direct connection, communication between the VSX pairs goes through the Cisco kit.

These pairs are in separate data centers and I've added VLAN interfaces to both VSX pairs with VRRP configured:

interface vlan 100
    ip address 192.168.1.x/26
    ip ospf 1 area 0.0.0.0
    ip helper-address 10.100.1.5
    ip helper-address 10.100.1.6
    vrrp 1 address-family ipv4
        address 192.168.1.1 primary
        preempt delay minimum 600
        priority 250
        no shutdown
        exit

The problem I have is that when I show vrrp brief on the 4 6400 switches i see one of each pair is showing active. 

I'm assuming there must be some communication problem between the two pairs?

Thanks

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Thanks for your responses, the vlan was missing from one of the cisco vss switches. VRRP working now

Hi,

I agree with Thomas, generally it should be working.

I also have two VSX Clusters (2 Pairs of Core Switches in different rooms), and my Out-of-Band-Management Network is connected via VRRP to all if these 4 Core Switches (CSW).

But There is a difference in my configuration. I am using L3 Ports on the Aruba CX 8325 Ports, not a SVI. 
As Thomas said, check the L2 connectivity and also your spaning tree. If youre using SVI and connect two VSX pairs, there must be STP blocked ports!

My configuration:

Main Cluster, Primary Member:csw-rz-r08# sh vrrpVRRP is enabledInterface 1/1/19 - Group 12 - Address-Family IPv4  State is STANDBY  State duration 21 days 08 hours 38 mins 04.941 secs  Virtual IP address is 172.18.12.1  Virtual MAC address is 00:00:5e:00:01:0c  Advertisement interval is 1000 msec  Version is 2  Preemption is enabled   min delay is 0 sec  Priority is 100  BFD is enabled  Active Router is 172.18.12.5  Active Advertisement interval is 1000 msec  Active Down interval is 3609 mseccsw-rz-r08# sh run int 1/1/19interface 1/1/19    description oobm-sw-rz-r08_P_13    no shutdown    mtu 9198    vrf attach OOBM    ip address 172.18.12.2/23    vsx shutdown-on-split    udld    ip helper-address 172.19.0.10    vrrp 12 address-family ipv4        address 172.18.12.1 primary        bfd 172.18.12.11        no shutdown        exit    exitcsw-rz-r08#Main Cluster, Secondary VSX Member:csw-rz-r09# sh vrrpVRRP is enabledInterface 1/1/19 - Group 12 - Address-Family IPv4  State is STANDBY  State duration 20 days 08 hours 38 mins 27.261 secs  Virtual IP address is 172.18.12.1  Virtual MAC address is 00:00:5e:00:01:0c  Advertisement interval is 1000 msec  Version is 2  Preemption is enabled   min delay is 0 sec  Priority is 100  BFD is enabled  Active Router is 172.18.12.5  Active Advertisement interval is 1000 msec  Active Down interval is 3609 mseccsw-rz-r09# sh run int 1/1/19interface 1/1/19    description oobm-sw-rz-r09_P_13    no shutdown    vrf attach OOBM    ip address 172.18.12.3/23    vsx shutdown-on-split    udld    ip helper-address 172.19.0.10    vrrp 12 address-family ipv4        address 172.18.12.1 primary        bfd 172.18.12.12        no shutdown        exit    exitcsw-rz-r09#

"Backup" Cluster, Primary Member:csw-bu-r02# sh vrrpVRRP is enabledInterface 1/1/19 - Group 12 - Address-Family IPv4  State is STANDBY  State duration 8 days 20 hours 21 mins 31.804 secs  Virtual IP address is 172.18.12.1  Virtual MAC address is 00:00:5e:00:01:0c  Advertisement interval is 1000 msec  Version is 2  Preemption is enabled   min delay is 0 sec  Priority is 100  BFD is enabled  Active Router is 172.18.12.5  Active Advertisement interval is 1000 msec  Active Down interval is 3609 mseccsw-bu-r02# sh run int 1/1/19interface 1/1/19    description oobm-sw-bu-r02_P_13    no shutdown    mtu 9198    vrf attach OOBM    ip address 172.18.12.4/23    vsx shutdown-on-split    udld    ip helper-address 172.19.0.10    vrrp 12 address-family ipv4        address 172.18.12.1 primary        bfd 172.18.12.111        no shutdown        exit    exitcsw-bu-r02#"Backup" Cluster, Secondary Member:csw-bu-r03# sh vrrpVRRP is enabledInterface 1/1/19 - Group 12 - Address-Family IPv4  State is ACTIVE  State duration 20 days 08 hours 38 mins 19.289 secs  Virtual IP address is 172.18.12.1  Virtual MAC address is 00:00:5e:00:01:0c  Advertisement interval is 1000 msec  Version is 2  Preemption is enabled   min delay is 0 sec  Priority is 100  BFD is enabled  Active Router is 172.18.12.5 (local)  Active Advertisement interval is 1000 msec  Active Down interval is 3609 mseccsw-bu-r03# sh run int 1/1/19interface 1/1/19    description oobm-sw-bu-r03_P_13    no shutdown    mtu 9198    vrf attach OOBM    ip address 172.18.12.5/23    vsx shutdown-on-split    udld    ip helper-address 172.19.0.10    vrrp 12 address-family ipv4        address 172.18.12.1 primary        bfd 172.18.12.112        no shutdown        exit    exitcsw-bu-r03#

Original Message:
Sent: Apr 18, 2025 10:59 AM
From: nopenope
Subject: VRRP with two VSX pairs

Hello

We have two pairs of 6400 chassis setup, each in VSX and we're migrating away from an old pair of Cisco VSS.

Currently the the two VSX pairs have no direct connection, communication between the VSX pairs goes through the Cisco kit.

These pairs are in separate data centers and I've added VLAN interfaces to both VSX pairs with VRRP configured:

interface vlan 100
    ip address 192.168.1.x/26
    ip ospf 1 area 0.0.0.0
    ip helper-address 10.100.1.5
    ip helper-address 10.100.1.6
    vrrp 1 address-family ipv4
        address 192.168.1.1 primary
        preempt delay minimum 600
        priority 250
        no shutdown
        exit

The problem I have is that when I show vrrp brief on the 4 6400 switches i see one of each pair is showing active. 

I'm assuming there must be some communication problem between the two pairs?

Thanks

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