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тАО04-06-2010 01:19 AM
тАО04-06-2010 01:19 AM
While doing a "show cdp neighbors" or a "show lldp info remote-device" on two directly linked procurve switches I can only see the remote MAC address, not the system name :
KALAMAR1# sh cdp neighbors
CDP neighbors information
Port Device ID | Platform Capability
---- ----------------------------- + ---------------------------- -----------
1 00 1f fe 51 be 40 | ProCurve J9085A Switch 26... S
KALAMAR2# sh cdp neighbors
CDP neighbors information
Port Device ID | Platform Capability
---- ----------------------------- + ---------------------------- -----------
1 00 1f fe 51 60 80 | ProCurve J9085A Switch 26... S
I've seen this issue in many config. Do you know what can cause this?
Kind regards,
JD.
Solved! Go to Solution.
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тАО04-06-2010 06:19 AM
тАО04-06-2010 06:19 AM
SolutionDepending upon what software versions you are running the CDP command isn't really valid anymore.
For example, if I run a "show cdp n" I only see the MAC of the connected switch but with a "sh ll i r" I see both the MAC address and the hostname (listed under 'SysName').
What software versions are you running on the switches in your example?
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тАО04-06-2010 06:26 AM
тАО04-06-2010 06:26 AM
Re: CDP / LLDP display issue
KALAMAR1# sh ll i r
LLDP Remote Devices Information
LocalPort | ChassisId PortId PortDescr SysName
--------- + ------------------------- ------ --------- ----------------------
1 | 00 1f fe 51 be 40 1 1 KALAMAR2
26 | CORE(00110a-45d200) C2
now I have a mix of MAC address & Host names. On older IOS, the view is more user friendly with only the host name.
JD.
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тАО04-06-2010 06:40 AM
тАО04-06-2010 06:40 AM
Re: CDP / LLDP display issue
http://www.procurve.com/products/management/ProCurve_Manager/overview.htm
The basic version (not Procurve manager plus) is free and it will automatically create graphical maps of your network for you.
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тАО04-06-2010 06:57 AM
тАО04-06-2010 06:57 AM
Re: CDP / LLDP display issue
#show cdp neighbors detail
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тАО04-06-2010 07:05 AM
тАО04-06-2010 07:05 AM
Re: CDP / LLDP display issue
#show cdp neighbors detail
..is giving the IP but not the hostname which didn't do the trick for me :(
I'm using PCM+ but I prefer using CLI to track switches interco in order to propagate VLANS. I'll stop using CDP and for the LLDP commands.
Thank you!