From: Shawn Zandi (szmetal@gmail.com)
Date: Tue Feb 10 2009 - 14:11:51 ARST
so its not a L3 link but a trunk,and you want to find the management IP
address of switch which is connected to your switch, completely out of
band...
you have to xmas ping by nmap to find the passive finger print of IOS/catos
replies in your /23 subnet.
Sincerely,
Shawn Zandi
On Tue, Feb 10, 2009 at 7:54 PM, Jersey Guy <guy.jersey@gmail.com> wrote:
> Scott,
> It *is* an L3 device but how do you know *which* one it is? The LAN address
> is a /23. When I do a broadcast ping, I get a 100 responses. Don't know
> what
> response is coming from what port.
>
> I want to see the IP address that's configured on the device at the other
> end of po20.
>
> A56M00S14#show run int po20
> !
> interface Port-channel20
> switchport
> switchport trunk encapsulation dot1q
> switchport trunk allowed vlan 326
> switchport mode trunk
> logging event trunk-status
> load-interval 30
> end
>
> A56M00S14#show vlan brief
>
> VLAN Name Status Ports
> ---- -------------------------------- ---------
> -------------------------------
>
> 326 Access_VLAN326 active Gi1/1, Gi1/2, Gi1/3, Gi1/4
> Gi1/5, Gi1/6, Gi1/7, Gi1/8
> Gi1/9, Gi1/10, Gi1/11,
> Gi1/12
> Gi1/13, Gi1/14, Gi1/15,
> Gi1/16
> Gi1/17, Gi1/18, Gi1/19,
> Gi1/20
> Gi1/21, Gi1/22
>
>
>
> thanks, GJ
>
> On Tue, Feb 10, 2009 at 10:40 AM, Scott Morris <
> smorris@internetworkexpert.com> wrote:
>
> > If an L2 device, you don't. If an L3 device, ping.
> >
> > Otherwise, my vote is Gremlins.
> >
> > Scott
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> > Jersey Guy
> > Sent: Tuesday, February 10, 2009 9:46 AM
> > To: Cisco certification
> > Subject: what's on the other side of a GigE port?
> >
> > Ya I know, this is Networking-101, shame on me....but I can use some help
> > here....
> >
> > Assuming there's no CDP running on the box, how do I find out the IP
> > address
> > of the devices that are connected to GigE ports on my WS-C4948?
> >
> > *GigabitEthernet1/23 unassigned YES unset up
> > up
> > GigabitEthernet1/24 unassigned YES unset up
> > up
> >
> > *Assume these are dedicated switch ports with only one device on the
> other
> > end. *
> >
> > *thanks, JG*
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