From: boby2kusa@hotmail.com
Date: Mon Sep 08 2003 - 12:34:31 GMT-3
show mac-address-table will tell you what addresses are learned from what
interface.
Show arp will tell you what is the ip to layer binding.
show cdp niegh will tell you other neighboring cisco deivces.
Combining all three or two and making your own analysis should accomplish
what you are after.
----- Original Message -----
From: "emad" <emad@zakq8.com>
To: "'Yasser Abdullah'" <yasser@alharbitelecom.com>;
<ccielab@groupstudy.com>
Sent: Monday, September 08, 2003 6:18 AM
Subject: RE: Cat3550: arp inquiry
> Thanx Yasser for ur reply but this is not what I mean
> I mean I have the mac address or the IP address and I don't know which
> Ethernet interface connected too!!
>
> -----Original Message-----
> From: Yasser Abdullah [mailto:yasser@alharbitelecom.com]
> Sent: Monday, September 08, 2003 3:55 PM
> To: 'emad'; ccielab@groupstudy.com
> Subject: RE: Cat3550: arp inquiry
>
> sh ip arp fastEthernet 0/x
>
>
> Yasser
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> emad
> Sent: Monday, September 08, 2003 3:47 PM
> To: ccielab@groupstudy.com
> Subject: Cat3550: arp inquiry
>
> Folks,
>
> When I was playing with arp command a nd parameters , I configured my
> switch with three vlans (1,2,3) and put a router ethernet interface in
> f0/18 on my switch and execute the command sh ip arp and it gave me the
> output:
>
> UP#sh ip arp
> Protocol Address Age (min) Hardware Addr Type Interface
> Internet 3.1.1.1 - 000c.301f.2780 ARPA Vlan1
> Internet 5.1.1.1 - 000c.301f.2780 ARPA Vlan2
> Internet 100.1.1.1 - 000c.301f.2780 ARPA Vlan100
> Internet 3.1.1.200 4 0000.0c3d.c70b ARPA Vlan1
>
> Is there a way to know which mac-address and/or what is the IP of the
> device connected to certain Ethernet port on the switch!!?
>
> thanx
>
>
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