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19 messages in net.nether.puck.cisco-nsp[c-nsp] cisco 3750 arp timeout| From | Sent On | Attachments |
|---|---|---|
| Matt Bazan | Jan 13, 2005 3:22 pm | |
| Rodney Dunn | Jan 13, 2005 3:36 pm | |
| Matt Bazan | Jan 13, 2005 3:46 pm | |
| Rodney Dunn | Jan 13, 2005 3:52 pm | |
| Church, Chuck | Jan 13, 2005 4:19 pm | |
| Matt Bazan | Jan 13, 2005 4:51 pm | |
| Robert Crowe | Jan 13, 2005 5:13 pm | |
| Matt Bazan | Jan 13, 2005 5:21 pm | |
| Matt Bazan | Jan 13, 2005 8:42 pm | |
| Church, Chuck | Jan 13, 2005 8:43 pm | |
| Rodney Dunn | Jan 14, 2005 8:24 am | |
| Hudson Delbert J Contr 61 CS/SCBN | Jan 14, 2005 11:30 am | |
| Saku Ytti | Jan 14, 2005 1:47 pm | |
| Ravengate | Jul 6, 2005 1:55 pm | |
| Brett Looney | Jul 6, 2005 7:34 pm | |
| Tantsura, Jeff | Jul 7, 2005 5:58 am | |
| Ravengate | Jul 7, 2005 1:56 pm | |
| Ravengate | Jul 7, 2005 2:05 pm | |
| Tantsura, Jeff | Jul 8, 2005 3:44 am |
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| Subject: | [c-nsp] cisco 3750 arp timeout | Actions... |
|---|---|---|
| From: | Matt Bazan (Mba...@onelegal.com) | |
| Date: | Jan 13, 2005 4:51:20 pm | |
| List: | net.nether.puck.cisco-nsp | |
Hi Chuck,
In this particular case I've got two 3750's in a stack and several MS clusters attached (one cluster node plugs into stack member 1, the other node into member 2) and I'm having communication problems reaching the cluster virtual servers when I 'roll' the resources over from one node in the cluster to the other. One of my theories is that the stack could be having problems with the grat arps it's getting from the MS cluster.
As these systems are in our data center I'll have to wait till the next time I'm over there to put a sniffer on the wire to see if I can glean more info.
In the meantime, to attempt to rule out a grat arp issue, I was trying to get the ciscos to not cache the cluster's virt server IP and associated MAC.
Matt
-----Original Message----- From: Church, Chuck [mailto:cchu...@netcogov.com] Sent: Thursday, January 13, 2005 1:19 PM To: Matt Bazan; cisc...@puck.nether.net Subject: RE: [c-nsp] cisco 3750 arp timeout
Matt,
On a side note, why are you trying to do this? Rodney mentioned the CEF issue. Are you trying to speed up HSRP/VRRP or something along those lines? Just curious...
Chuck Church Lead Design Engineer CCIE #8776, MCNE, MCSE Netco Government Services - Design & Implementation Team 1210 N. Parker Rd. Greenville, SC 29609 Home office: 864-335-9473 Cell: 703-819-3495 cchu...@netcogov.com PGP key: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x4371A48D
-----Original Message----- From: cisc...@puck.nether.net [mailto:cisc...@puck.nether.net] On Behalf Of Matt Bazan Sent: Thursday, January 13, 2005 3:23 PM To: cisc...@puck.nether.net Subject: [c-nsp] cisco 3750 arp timeout
I've got a number of interfaces on one of my 3750's (IOS 12.1(11)AX SMI) that I've set the arp timeout to be one second. However, the entries in the arp cache continue to show up until the default arp timeout has been reached. It was my understanding that setting the arp timeout per interface to 1 would clear these entries after 1 second. Am I misunderstanding how this command works? If so, is there a command to remove entries from the arp cache after 1 second? Thanks,
Matt
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