It means that the line is OK.
""Sim, CT (Chee Tong)"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> I was informed that there is a loop in our interface, and it is not up.
> When I do a sh interface, I found it is up but there is a word (looped) as
> shown below. What is the meaning??? What happen ?? When I show cdp
> neighbor, I see the cdp neighbor of the interface is the router itself??
> Why???
>
> sin03>sh int s1/0
> Serial1/0 is up, line protocol is up (looped)
>
> sin03>sh cdp nei
> Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge
> S - Switch, H - Host, I - IGMP, r - Repeater
>
> Device ID Local Intrfce Holdtme Capability Platform Port
ID
> sin03 Ser 1/0 136 R c3660 Ser
1/0
> TYO02 Ser 1/1 154 R 1750 Ser 0
> HKG01 Ser 1/2 167 R 1750 Ser 0
> SYD02 Ser 2/1 157 R 1750 Ser 0
>
>
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