[f-nsp] ARP Timeouts

[Nick Cutting]

Thank you for the reply – I forgot to add that the entry also disappears.

It’s gone from the arp table after ten seconds – until I bring it back with a ping.
e.g

show arp 10.1.1.2 9
seen
show arp 10.1.1.2 9
seen
show arp 10.1.1.2 9
seen
show arp 10.1.1.2 9
seen
show arp 10.1.1.2 9
seen
4 more seconds…
GONE

Even if it’s not sending traffic – I would hope it stayed longer than that.

There is not arp commands in the config – this is on the turbo irons and the FCX’s – am I missing something??

Thanks
Nick

From: Mike Allen [mailto:mkallen at gmail.com]
Sent: Tuesday, May 24, 2016 6:32 PM
To: Nick Cutting
Cc: foundry-nsp
Subject: Re: [f-nsp] ARP Timeouts


Hey Nick, that is the time since that arp was last seen, once the age hits 240 it would disappear. If it's active, it will refresh the age. I am pretty sure it's in minutes, not seconds.

Mike
On May 24, 2016 11:21 AM, "Nick Cutting" <ncutting at edgetg.com<mailto:ncutting at edgetg.com>> wrote:
On all of my brocade switches – my ARP timeouts seem to be about 10 seconds?

The documentation states that he default is 240 minutes (4 hours – same as cisco)

I imagine the age is in seconds below?

Type     Age Port           Status
Dynamic  2   1/2/3          Valid
Dynamic  7   1/1/23         Valid
Dynamic  10  1/2/3          Valid
Dynamic  3   1/2/3          Valid
Dynamic  10  1/2/3          Valid
Dynamic  2   1/2/3          Valid
Host     3   1/2/3          Valid
Dynamic  2   1/2/3          Valid
Dynamic  10  1/2/3          Valid
Host     2   1/2/3          Valid
Dynamic  7   1/2/3          Valid
Dynamic  2   1/2/3          Valid
Dynamic  3   1/2/3          Valid
Dynamic  0   1/2/3          Valid
Dynamic  1   1/2/3          Valid


Nick Cutting | Network Engineer | Architecture & Standards Team| Office: 203-742-7856<tel:203-742-7856> | Fax: 203-742-7890<tel:203-742-7890>

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