From: Scott Morris (smorris@internetworkexpert.com)
Date: Tue Feb 10 2009 - 14:24:36 ARST
That's the point. You won't. As far as you can tell they are all equally
reachable.
That's part of why CDP is quite helpful.
What difference does it make? If that device isn't under your control
anyway?
Scott
From: Jersey Guy [mailto:guy.jersey@gmail.com]
Sent: Tuesday, February 10, 2009 10:55 AM
To: smorris@internetworkexpert.com
Cc: Cisco certification
Subject: Re: what's on the other side of a GigE port?
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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