Cisco Cisco Expressway
There are two Domain Name System (DNS) servers within the internal IM and Presence Service enterprise
deployment. One DNS server hosts the IM and Presence Service private address. The other DNS server
hosts the IM and Presence Service public address and DNS SRV records for SIP federation (_
sipfederationtls), and XMPP federation (_xmpp-server) with IM and Presence Service. The DNS server that
hosts the IM and Presence Service public address is located in the local DMZ.
deployment. One DNS server hosts the IM and Presence Service private address. The other DNS server
hosts the IM and Presence Service public address and DNS SRV records for SIP federation (_
sipfederationtls), and XMPP federation (_xmpp-server) with IM and Presence Service. The DNS server that
hosts the IM and Presence Service public address is located in the local DMZ.
Task Flow for XMPP Federation through IM and Presence
Service
Service
The below table outlines the tasks that must be completed to successfully deploy XMPP federation through
IM and Presence Service.
IM and Presence Service.
Task
See
Configure IM and Presence Service for XMPP
federation
federation
Configure Security for XMPP federation
(Optional) Configure the email for federation feature
Turn on XMPP federation service
Configure the Cisco Adaptive Security Appliance for
XMPP federation
XMPP federation
Cisco Unified Communications XMPP Federation Deployment Guide (1.4)
Page 25 of 59
XMPP Federation through IM and Presence Service