[c-nsp] Nexu 5020 HSRP issues

[Christian Kildau]

sw2# sh run int vlan200

!Command: show running-config interface Vlan200
!Time: Fri Aug  9 13:32:04 2013

version 5.2(1)N1(5)

interface Vlan200
  no shutdown
  description vlan fuer HNAS 10.8.200.0/24 - HSRP 10.8.200.1
  no ip redirects
  ip address 10.8.200.3/24
  hsrp version 2
  hsrp 1
    preempt
    ip 10.8.200.1

sw1# ping 10.8.200.3
PING 10.8.200.3 (10.8.200.3): 56 data bytes
64 bytes from 10.8.200.3: icmp_seq=0 ttl=254 time=2.524 ms
64 bytes from 10.8.200.3: icmp_seq=1 ttl=254 time=0.954 ms
64 bytes from 10.8.200.3: icmp_seq=2 ttl=254 time=0.854 ms
64 bytes from 10.8.200.3: icmp_seq=3 ttl=254 time=1.138 ms
64 bytes from 10.8.200.3: icmp_seq=4 ttl=254 time=0.875 ms

--- 10.8.200.3 ping statistics ---
5 packets transmitted, 5 packets received, 0.00% packet loss
round-trip min/avg/max = 0.854/1.268/2.524 ms




Am 09.08.2013 um 14:30 schrieb Rati Berikaant Jokhadze:

> Hi ,
> 
> Please share us SW2 int vlan200 config.
> 
> and ping result from sw1 to sw2
> 
> On 08/09/2013 03:52 PM, Christian Kildau wrote:
>> Hi Cisco-NSP,
>> 
>> we're having some very strange issues while adding HSRP to our Nexus 5020 where both HSRP peers are up, but don't recognize each other, thus causing some issues.
>> 
>> Our config is pretty simple, running 4 VLANs and VPC. VPC is up and the Trunks are running fine.
>> 
>> We now added some SVIs for L3 routing which also seems to be working fine.
>> But as soon as we add HSRP config as follows:
>> 
>> interface Vlan200
>>   no shutdown
>>   no ip redirects
>>   ip address 10.8.200.2/24
>>   hsrp version 2
>>   hsrp 1
>>     preempt
>>     priority 110
>>     ip 10.8.200.1
>> 
>> we're facing some very strange issues.
>> According to 'debug hsrp engine packet hello' both sides do send HSRP Hello Packets, but the other end never receives them, so both peers are in Active state:
>> 
>> sw1# sh hsrp group 1 brief
>> Interface   Grp Prio P State    Active addr      Standby addr     Group addr
>> Vlan200     1   110  P Active   local            unknown          10.8.200.1
>>   (conf)
>> sw2# sh hsrp group 1 brief
>> Interface   Grp Prio P State    Active addr      Standby addr     Group addr
>> Vlan200     1   100  P Active   local            unknown          10.8.200.1
>>   (conf)
>> 
>> What could cause this?
>> 
>> Thanks for any hint!
>> 
>> Kind Regards
>> Christian
>> 
>> P.S.
>> features are enabled of course ;-)
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>