Cdp Forward - Cisco Catalyst 3560-X Command Reference Manual

Chapter 2 Catalyst 3750-X and 3560-X Switch Cisco IOS Commands

cdp forward

Note
Syntax Description
Defaults
Command Modes
Command History
Usage Guidelines
Examples
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To specify the ingress and egress switch ports for CDP traffic, use the cdp forward global configuration
command. To return to the default setting, use the no form of this command.
cdp forward ingress port-id egress port-id
no cdp forward ingress port-id
This command is not supported on switches running the LAN base feature set.
ingress port-id
egress port-id
The default path for CDP packets through the switch is from any ingress port to the egress port connected
to the Cisco Telepresence System.
Global configuration
Release
12.2(53)SE2
You must use only CDP-enabled phones with TelePresence E911 IP phone support.
You can connect the IP phone and codec in the Cisco TelePresence System through any two ports in a
switch stack.
Switch# configure terminal
Enter configuration commands, one per line.
Switch(config)# cdp forward ingress gigabitethernet2/0/1 egress gigabitethernet2/0/12
Switch(config)# cdp forward ingress gigabitethernet2/0/2 egress gigabitethernet2/0/13
Switch(config)# end
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
Port Port
-------------------------------------------------------------
Gi2/0/1 Gi2/0/12
Gi2/0/2 Gi2/0/13
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Specifies the switch port that receives the CDP packet from an IP phone.
Specifies the switch port that forwards the CDP packet to the Cisco
TelePresence System.
Modification
This command was introduced.
End with CNTL/Z.
# packets
forwarded
0
0
Catalyst 3750-X and 3560-X Switch Command Reference
# packets
dropped
0
0
cdp forward
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