Dhcp scope have 130 for default gateway?<span></span><br><br>On Friday, July 13, 2012, Ed Leatherman wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Anyone ever run into something like this?<div>
<br></div><div>We have a cat4500 doing some routing and was in HSRP group with another switch temporarily. temporary situation is over, and other switch is removed, and we went to remove the HSRP config today from all the SVIs.. so for example<br clear="all">
<div><br></div><div><div>interface Vlan2</div><div> ip address 10.x.x.130 255.255.255.192</div><div> ip access-group ip-phones-in in</div><div> ip access-group ip-phones-out out</div><div> no ip redirects</div><div> standby 2 ip 10.x.x.129</div>
<div> standby 2 timers 1 2</div><div> standby 2 priority 90</div><div> standby 2 preempt</div><div><br></div></div><div>was to become</div><div><br></div><div><div>interface Vlan2</div><div> ip address 10.x.x.129 255.255.255.192</div>
<div> ip access-group ip-phones-in in</div><div> ip access-group ip-phones-out out</div><div> no ip redirects</div><div><br></div></div><div>When we did this for the printer vlan, PC vlans, etc, no problems. When we did this for the voice vlan, phones quit communicating and we couldn't ping them from the router. My thought was they were still using the virtual mac from hsrp and were not updating their arp tables. As soon as we put the HSRP config back on, they started working again. Left it with HSRP enabled for now but may try again and reboot phones as part of the procedure next time I get the OK for some more maintenance work.</div>
<div><br></div><div>Gratuitous ARP is disabled for these phones, would that possibly cause this issue? I tried to duplicate the situation in my lab with some phones on CME, but disabling hsrp worked fine on those regardless of if garp disabled or not.</div>
<div><br></div><div>Phones 7962's, firmware 9-3-1 with a few static set to 9-2-3 for now. CM 7.1</div><div><br></div>-- <br>Ed Leatherman<br><br>
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