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Catalyst 3750 Switch Software Configuration Guide
OL-8550-09
Chapter 37 Configuring TelePresence E911 IP Phone Support
Configuring TelePresence E911 IP Phone Support
Enabling TelePresence E911 IP Phone Support
Beginning in privileged EXEC mode:
Example
Switch# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)# cdp forward ingress gigabitethernet2/0/1 egress gigabitethernet2/0/12
Switch(config)# cdp forward ingress gigabitethernet2/0/1 egress gigabitethernet2/0/13
Ingress interface already configured
Switch(config)# cdp forward ingress gigabitethernet2/0/2 egress gigabitethernet2/0/12
Egress interface already configured
Switch(config)# cdp forward ingress gigabitethernet2/0/2 egress gigabitethernet2/0/13
Switch(config)# end
Switch#
*Mar 1 13:38:34.954: %SYS-5-CONFIG_I: Configured from console by console
Switch# show running-config | include cdp
cdp forward ingress GigabitEthernet2/0/1 egress GigabitEthernet2/0/12
cdp forward ingress GigabitEthernet2/0/2 egress GigabitEthernet2/0/13
Switch# show cdp forward
Ingress Egress # packets # packets
Port Port forwarded dropped
-------------------------------------------------------------
Gi2/0/1 Gi2/0/12 0 0
Gi2/0/2 Gi2/0/13 0 0
Switch# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)# no cdp forward ingress gigabitethernet2/0/1
Switch(config)# end
Switch#
*Mar 1 13:39:14.120: %SYS-5-CONFIG_I: Configured from console by console
Switch# show running-config | include cdp
cdp forward ingress GigabitEthernet2/0/2 egress GigabitEthernet2/0/13
Command Purpose
Step 1
configure terminal Enters global configuration mode.
Step 2
cdp forward ingress port-id
egress port-id
Configures an ingress-egress port pair.
• ingress port -id—Specifies the port connected to the
CDP-enabled IP phone.
• egress port-id—Specifies the port connected to the codec in
the Cisco TelePresence System.
Repeat this step to configure additional ingress-egress port pairs.
Step 3
end Returns to privileged EXEC mode.
Step 4
show cdp forward Verifies the ingress-egress port pairs. The command output also
shows the number of forwarded and dropped packets.
Step 5
copy running-config startup
config
(Optional) Saves your entries in the configuration file.