[afnog] Ethernet Interface still UP even Cable is not plug into it

[Ezra Banoba]

Do you have keepalives set on that interface?


On 7/11/06, Bruno Agbessitse <mensah.agbessitse at gstelecom.net> wrote:
>
>  Hi All,
>
>
>
> I have a Cisco 1751 running IOS c1700-k9o3sy7-mz.124-1.bin.
>
> When we removed the cable from the interface and check the interface it
> status still shows up.
>
> I can ping the interface but not the device connected to it.
>
>
>
> Has someone seen this problem before?
>
>
>
> Before I shutdown the interface
>
> Goast#sh ip int b
>
> Interface                  IP-Address              OK? Method
> Status                Protocol
>
> Ethernet1/0                xxx.xxx.xxx.xxx    YES NVRAM
> up                    up
>
> Loopback0                  xxx.xxx.xxx.xxx    YES NVRAM
> up                    up
>
> Goast#sh run
>
>
>
> After the interface was shutdown
>
> Goast#sh ip int e1/0
>
> Ethernet1/0 is administratively down, line protocol is down
>
>   Internet address is xxx.xxx.xxx.xxx/30
>
>   Broadcast address is 255.255.255.255
>
>   Address determined by non-volatile memory
>
>   MTU is 1500 bytes
>
>   Helper address is not set
>
>   Directed broadcast forwarding is disabled
>
>   Outgoing access list is not set
>
>   Inbound  access list is not set
>
>   Proxy ARP is disabled
>
>   Local Proxy ARP is disabled
>
>   Security level is default
>
>   Split horizon is enabled
>
>   ICMP redirects are never sent
>
>   ICMP unreachables are never sent
>
>   ICMP mask replies are never sent
>
>   IP fast switching is enabled
>
>   IP fast switching on the same interface is disabled
>
>   IP Flow switching is enabled
>
>   IP CEF switching is disabled
>
>   IP Flow switching turbo vector
>
>   IP multicast fast switching is enabled
>
>   IP multicast distributed fast switching is disabled
>
>   IP route-cache flags are Fast, Flow cache, No CEF, Full Flow
>
>   Router Discovery is disabled
>
>   IP output packet accounting is disabled
>
>   IP access violation accounting is disabled
>
>   TCP/IP header compression is disabled
>
>   RTP/IP header compression is disabled
>
>   Policy routing is disabled
>
>   Network address translation is disabled
>
>   BGP Policy Mapping is disabled
>
> Goast#
>
>
>
>
>
> Bruno.
>
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>
>
>


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