Cisco Cisco Expressway
Replacing an Expressway peer
This section summarizes the procedure for replacing a cluster peer Expressway with a different unit.
1. Ensure that the Expressway to be replaced is not the master Expressway.
2. Remove the existing peer from the cluster:
.
.
Replace a Peer but Keep its Configuration
This procedure assumes that you are replacing an accessible Expressway peer with a different Expressway.
1. Ensure that the Expressway to be replaced is not the master Expressway.
You must clear the clustering configuration from the peer, and update the clustering
configuration on all the other peers (master first), before you take the backup
configuration on all the other peers (master first), before you take the backup
3. Backup the configuration of the removed peer
4. Generate and apply option keys for the new Expressway. You must apply the same set of keys that are
applied to the other peers
5. Restore the backup onto the new Expressway
6. Check the DNS configuration of the new Expressway is the same as the other peers, and synchronize it
with the same NTP servers
You already have much of the configuration described in the linked procedure. The most important steps
described there are summarized here:
described there are summarized here:
a. Add the new peer's address to the clustering configuration on the master
b. Add the new peer's address to the clustering configuration on other existing peers
c. Enter the clustering configuration on the new peer (cluster name, shared secret, ordered peer list)
b. Add the new peer's address to the clustering configuration on other existing peers
c. Enter the clustering configuration on the new peer (cluster name, shared secret, ordered peer list)
8. Restart the new peer
9. Wait for approximately five minutes, then check the cluster status and resolve any alarms
Cisco Expressway Cluster Creation and Maintenance Deployment Guide (X8.6)
Page 27 of 40
Replacing an Expressway peer