Cisco Cisco TelePresence Video Communication Server Expressway
Appendix 2 – DNS records configuration
Cisco VCS Deployment Guide: Basic configuration – VCS Control with VCS Expressway
Page 53 of 59
DNS configuration (internal DNS server)
The following records are required to be configured in the local DNS which hosts the internally routable
domain: internal-domain.net to allow:
domain: internal-domain.net to allow:
n
internal endpoints registration messages to be routed to the Cisco VCS Control.
Local DNS A record
Host
TTL
Type
Data
vcsc.internal-domain.net
86400
A
10.0.0.2
Local DNS SRV records
Service Protocol Host
Port
Notes
h323cs
tcp
_h323cs._tcp.internal-
domain.net
domain.net
1720
h323ls
udp
_h323ls._udp. internal-
domain.net
domain.net
1719
sip
tcp
_sip._tcp.internal-domain.net
5060
sip
udp
_sip._udp.internal-domain.net
5060
sips
tcp
_sips._tcp.internal-domain.net
5061
sips
tls
_sips._tls.internal-domain.net
5061 For E20 TE2.1
sip
tls
_sip._tls.internal-domain.net
5061 For MXP F8.2, T150 L6.0, Movi prior to version
3.1
For each DNS SRV record the following values are common:
Name
internal-domain.net
TTL
86400
Type
SRV
Priority
10
Weight
10
Target
vcsc.internal-domain.net.