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Cisco Employee

NCS HA Cluster

I am bringing up a HA cluster and have 2 linux VM with NCS-3.4.1 installed.

When the ha cluster is activated I see the state as master for both NCS.

[root@localhost etc]# hostname

nso-172-67

[root@localhost etc]# ncs_cli -uadmin

admin connected from 127.0.0.1 using console on nso-172-67

admin@ncs> show ha-cluster

NAME        STATUS  

---------------------

nso-172-67  master 

[ok][2015-05-29 15:45:46]

admin@ncs>

[root@localhost ncs]# hostname

nso-172-66

[root@localhost ncs]# ncs_cli -u admin

admin connected from 127.0.0.1 using console on nso-172-66

admin@ncs> show ha-cluster

NAME        STATUS  

---------------------

nso-172-66  master  

nso-172-67  unknown 

[ok][2015-05-29 15:46:08]

admin@ncs>

admin@ncs> show configuration ha-cluster

auto-start disable;

master-ip {

    enable;

    vip    172.25.86.68;

    member nso-172-66 {

        interface ens192;

    }

    member nso-172-67 {

        interface ens192;

    }

}

members nso-172-66 {

    address 172.25.86.66;

    role    master;

}

members nso-172-67 {

    address            172.25.86.67;

    role               slave;

    transition-enabled true;

    master-capable     true;

}

[ok][2015-05-29 15:46:32]

admin@ncs>

Kindly let me know if anything is missing.

Everyone's tags (4)
1 ACCEPTED SOLUTION

Accepted Solutions
Cisco Employee

Re: NCS HA Cluster

This normally happens when slave node is unable to communicate with master node on the port being used for HA.

Please take a look at HA documentation.

2 REPLIES 2
Cisco Employee

Re: NCS HA Cluster

This normally happens when slave node is unable to communicate with master node on the port being used for HA.

Please take a look at HA documentation.

Cisco Employee

Re: NCS HA Cluster

After the ip tables are flushed this worked.

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