Cisco Cisco TelePresence Video Communication Server Expressway
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Administration: Cisco VCS Expressway
VCS Expressway
source port
Server
listening port
Management control
DMZ to public
Open firewall
DMZ to public
IP address
IP address of
VCS Expressway
IP address of DNS
Server
IP Po
rt
s
DNS
UDP S
>= 1024
UDP 53
53
S = Source port , typically >= 1024
public
Internet
VCS Control
VCS Expressway
DMZ