我们有一个要启用CDP的ME3400,但没有cdp选项。为什么不可用?
switch(config)#int gi0/1
switch(config-if)#cdp ?
% Unrecognized command
CDP已全局启用。
switch#show cdp
Global CDP information:
Sending CDP packets every 60 seconds
Sending a holdtime value of 180 seconds
Sending CDPv2 advertisements is enabled
这是该接口的运行配置。
interface GigabitEthernet0/1
switchport trunk allowed vlan 101-108,110,112-115,119,170,192,211,254-262,268
switchport trunk allowed vlan add 269,271,508-512,701,888
switchport mode trunk
load-interval 30
udld port