I have 2 WS-C2960L-24PS-LL switches running (C2960L-UNIVERSALK9-M), Version 15.2(6)E2, RELEASE SOFTWARE (fc4).
I have a L3 vlan interface on each. I getting spammed by gratuitous arp replies for the standby IP address, about 600 of them every second. I know L3 on a 2960L is not the best decision in the world, but something this simple should work. I have limited hsrp commands so I can't seem to tune this down. The gratuitous arp replies are sourced from the hsrp virtual mac (00:00:0c:07:ac:02) [group 2 v1] and destined to STP-UplinkFast (01:00:0c:cd:cd:cd). So I don't know if it's some spanning tree misconfig or an hsrp thing.
I've tried adding the following on both switches without any change, reverted them as well with no change:
#sh run | inc span
spanning-tree mode rapid-pvst
spanning-tree extend system-id
spanning-tree uplinkfast max-update-rate 1
spanning-tree uplinkfast
switch1:
ip routing
interface Vlan2
description Management
ip address 192.168.254.2 255.255.255.0
standby 2 ip 192.168.254.1
standby 2 preempt
end
switch2:
ip routing
interface Vlan2
description Management
ip address 192.168.254.3 255.255.255.0
standby 2 ip 192.168.254.1
standby 2 priority 95
So, what am I missing?
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