Cisco Cisco Expressway
Disband a Cluster
This process removes all Expressway peers from an existing cluster.
Each Expressway will retain its configuration at the time the cluster was disbanded, and will function as a stand-alone
Expressway.
Expressway.
Before you start:
.
On each subordinate Expressway peer:
1.
Log into the web interface.
2.
Go to System > Clustering:
a.
Change the Cluster name to a unique ID for this Expressway (ideally to the routable Fully Qualified Domain
Name used in SRV records that address this individual Expressway, for example "expe1.example.com". See
Name used in SRV records that address this individual Expressway, for example "expe1.example.com". See
.)
b.
Delete the Cluster pre-shared key.
c.
Delete all entries in the Peer x IP address fields.
3.
Click Save.
Note that:
—
An alarm similar to that shown below may appear on the web interface and CLI of the Expressway being
removed. This is not a problem, the alarm will be cleared when the Expressway is restarted:
removed. This is not a problem, the alarm will be cleared when the Expressway is restarted:
4.
If Microsoft Lync B2BUA was used in the cluster:
a.
Go to Applications > B2BUA > Microsoft Lync > Configuration.
b.
If Microsoft Lync B2BUA is
Enabled, change it to Disabled and click Save.
5.
Restart the Expressway (go to Maintenance > Restart options, then click Restart and confirm OK).
If multiple peers need restarting: restart each peer in turn, waiting for the peer to be accessible through the web
interface before restarting the next peer.
interface before restarting the next peer.
6.
Repeat for each subordinate Expressway.
On the primary Expressway:
1.
Log into the web interface.
2.
Go to System > Clustering:
a.
Optionally, change the Cluster name to a unique ID for this Expressway (ideally to the routable Fully Qualified
Domain Name used in SRV records that address this individual Expressway, for example
"expe1.example.com". (See
Domain Name used in SRV records that address this individual Expressway, for example
"expe1.example.com". (See
.))
b.
Delete the Cluster pre-shared key.
c.
Delete all entries in the Peer x IP address fields.
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Cisco Expressway Cluster Creation and Maintenance Deployment Guide