keith, clearing the arp doesnt matter at all and it will not affect ur routing table and the arp request will propagate fast on ur switch.
fyi.. /jack ""Keith Woodworth"" wrote in message news:200211010355.DAA27930@;groupstudy.com... > We have a Cat5500 with an odd problem. There is a customer with a Vlan > setup on 2 RSM's using HSRP. The Vlan is using a /29, with each RSM > assigned an IP from the /29, a default gateway from the /29 which leaves > 3 usable IP's for the customer. > > He has 2 devices plugged into 2 ethernet ports on the Cat5500, a Redback > and a 3640, each has an IP from the /29, leaving one more to use. He wants > to add a switch, so config the switch to use the last IP from the /29, > assign the port to the Vlan and the switch should be accessable. > > I'm telnetted to the console of the switch and I can ping the 3640 and the > Redback ok, but not the switch. A ping to the customers switch wants to go > out an IP on an interface that does not exist and has not existed for a > looong while. > > A show arp below shows two entries on the same port/vlan. 204.244.98.19 > should not be there. I'd like to do a clear ARP on the console so that it > will remove the old entry but should it have not removed it by now? We > changed things over over year ago taking out the 98.19 address. > > My question though lies in what affect clearing the ARP table on the > console will have on overall routing? Its just on the console of a > Catalyst 5500, not on the RSM's. 64.114.55.67 is the gateway for Vlan1 > which is the management Vlan for the RSM's. > > How quick does the ARP table get repopulated? > > Cisco 5500> (enable) sh arp > ARP Aging time = 1200 sec > 64.114.55.67 at 00-00-0c-07-ac-01 port 3/1 on > vlan 1 > 204.244.98.19 at 00-00-0c-07-ac-01 port 3/1 on > vlan 1 > > Thanks, > Keith Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=56674&t=56651 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]