Cisco Cisco Expressway
4
Administration: Cisco Expressway-C
Management system
source port
Expressway-C
listening port
Management control
Private network
Open firewall
n/a
IP address
IP address of
management
management
computer(s)
IP address of
Expressway-C
IP Po
rt
s
http
TCP S
>= 1024
TCP 80
80
https
TCP S
>= 1024
TCP 443
443
ssh
TCP S
>= 1024
TCP 22
22
SNMP
UDP S
>= 1024
UDP 161
161
S = Source port , typically >= 1024
Internet
Expressway-C
Expressway-E
DMZ
Management system
listening port
Expressway-C
source port
Management control
Private network
Open firewall
n/a
IP address
IP address of
management
management
computer(s)
IP address of
Expressway-C
IP Po
rt
s
NTP
UDP 123
123
UDP 123
123
LDAP
TCP 389
389
TCP S
>= 1024
http (feedback
to TMS)
to TMS)
TCP 80
80
TCP S
>= 1024
DNS
UDP 53
53
UDP S
>= 1024