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02-03-2017 11:19 AM
02-03-2017 11:19 AM
Delete static arp entry on 5308xl
Does anyone know a way to delete a static arp entry?
There is a static arp entry on my 5308xl that is causing some minor problems. I can not find a way to delete it. In fact, I can't find any information suggesting that static arp entries are even supported.
Here is part of my arp table output
IP Address MAC Address Type Port --------------- ----------------- ------- ---- 10.XXX.XX.81 9cfc01-XXXXXX dynamic B7 10.XXX.XX.85 00cdfe-XXXXXX static 10.XXX.XX.86 1c5cf2-XXXXXX dynamic B7
The no arp command does not work
XXX(config)# no arp 10.XXX.XX.85 IP address 10.XXX.XX.85 not found.
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02-03-2017 12:15 PM - edited 02-03-2017 12:17 PM
02-03-2017 12:15 PM - edited 02-03-2017 12:17 PM
Re: Delete static arp entry on 5308xl
What is the (sanitized) output of
show config
show running
commands?
A static ARP entry into the Static ARP Table (other than into the ARP Cache Table which should be used by dynamic ARP entries...so the ones learned by the Switch) should mean that that MAC IP binding is/was user configured...so a look at (running) configuration would be a good starting point.
I'm not an HPE Employee

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02-03-2017 12:38 PM
02-03-2017 12:38 PM
Re: Delete static arp entry on 5308xl
Thanks for the thought. There is nothing in the running or startup config that references the static arp entry. I do think that means a reload would clear it, but that would cause much more disruption than the static arp entry itself.
Incidentally, I didn't find anything in the logs referring to the entry being created either.
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02-03-2017 04:50 PM - edited 02-04-2017 09:51 AM
02-03-2017 04:50 PM - edited 02-04-2017 09:51 AM
Re: Delete static arp entry on 5308xl
Eventually there should be a command, part of a hidden - and dangerous - HP ProCurve diagnostic mode (best known as edomtset), that is:
arpFlush
it will flush ARP Table...even if, I think, the flushing operation will impact Dynamic entries only [*], not static ones.
What's about CLI commands history? was it checked?
[*] the same should happen with the clear arp CLI command: this one will flush all non-permanent (AKA non static) entries in the ARP Cache Table.
I'm not an HPE Employee

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