HSRP state

Unanswered Question
Jun 29th, 2009

Hi,

we planned to run HSRP on our BGP router which is state is not changing fron learning to any state both of the routers are in learning state only

the network digram in attached as an attachment

when i debug i see the message as

on primary is seen as

*Oct 8 06:45:03.119: HSRP: Gi0/3 interface adv out, Passive, active 0 passive 2

*Oct 8 06:45:04.651: HSRP: Gi0/3 interface adv in, Passive, active 0, passive 1, from xxx.xx.44.38

*Oct 8 06:45:29.275: HSRP: Gi0/3 interface adv out, Passive, active 0 passive 2

*Oct 8 06:45:32.263: HSRP: Gi0/3 interface adv in, Passive, active 0, passive 1, from xxx.xx.44.38

*Oct 8 06:45:58.095: HSRP: Gi0/3 interface adv out, Passive, active 0 passive 2

*Oct 8 06:46:02.067: HSRP: Gi0/3 interface adv in, Passive, active 0, passive 1, from xxx.xx.44.38

*Oct 8 06:46:27.351: HSRP: Gi0/3 interface adv out, Passive, active 0 passive 2

*Oct 8 06:46:31.023: HSRP: Gi0/3 interface adv in, Passive, active 0, passive 1, from xxx.xx.44.38

on secondary

*Oct 8 06:45:03.119: HSRP: Gi0/3 Redirect adv out, Passive, active 0 passive 2

*Oct 8 06:45:04.651: HSRP: Gi0/3 REDIRECT adv in, Passive, active 0, passive 1, from XXx.XX.34.17

*Oct 8 06:45:29.275: HSRP: Gi0/3 Redirect adv out, Passive, active 0 passive 2

*Oct 8 06:45:32.263: HSRP: Gi0/3 REDIRECT adv in, Passive, active 0, passive 1, from XXX.XX.34.17

*Oct 8 06:45:58.095: HSRP: Gi0/3 Redirect adv out, Passive, active 0 passive 2

*Oct 8 06:46:02.067: HSRP: Gi0/3 REDIRECT adv in, Passive, active 0, passive 1, from XXX.XX.34.17

*Oct 8 06:46:27.351: HSRP: Gi0/3 Redirect adv out, Passive, active 0 passive 2

*Oct 8 06:46:31.023: HSRP: Gi0/3 REDIRECT adv in, Passive, active 0, passive 1, from XXX.XX.34.17

were will be the problem and moreover we are using 3 com l2 switch for wan connectivity and giving uplink for HSRP

is it correct way

pls advice

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milan.kulik Mon, 06/29/2009 - 23:43

Hi,

I met similar problem in the past.

HSRP Hello frames are multicasts.

And some 3Com switches don't forward multicasts by default.

So I had to enable multicast forwarding on 3Com switches to make HSRP working.

Possibly you are in the same trouble?

BR,

Milan

vinoth.kumar Mon, 06/29/2009 - 23:49

Thanks for your reply

can i know how the debug messages are showing IN and OUT some message reaching between the two HSRP enabled router

can i know if u have any idea on this messges

i will check this update on my 3com switch

thanks

milan.kulik Tue, 06/30/2009 - 00:54

Hi,

to be frank, I don't understand that debug messages. They seem to show you are receiving HSRP Hellos from both sides.

So I might have been wrong and the problem is not the 3Com switch.

Another idea:

You are using

standby ip ... secondary

on both routers, aren't you?

I've got a feeling this might be incorrect, as I've found an explanation saying the secondary keyword does not mean "use secondary IP address" (as I'd expect) but "become a secondary HSRP router" (should be used if no HSRP priority was configured).

The example in

http://www.cisco.com/en/US/products/ps6600/prod_bulletin09186a00800a3d9e.html

is pretty confusing, as using "secondary" only on one router.

I made a quick test on one of my routers and it seems I'm correct.

So try to remove the "secondary" option from your "stanby ip ..." commands and your HSRP might start working.

BR,

Milan

vinoth.kumar Tue, 06/30/2009 - 21:19

Hi,

Sorry its mistakely written

xx.58.141.252 or 253)

thanks any advice on this issue

crow930us Wed, 07/01/2009 - 02:49

Compare the 'show HSRP detail' command results for each device. That might give you some more info.

hth

milan.kulik Wed, 07/01/2009 - 04:14

Hi,

can you paste here the whole HSRP config section from both your routers?

BR,

Milan

vinoth.kumar Wed, 07/01/2009 - 04:24

the config

RTR-PRI:

interface GigabitEthernet0/3

description Telecity-PRI

ip address XX.58.141.252 255.255.255.0 secondary

ip address XX.20.34.17 255.255.255.0

duplex auto

speed auto

media-type rj45

no negotiation auto

standby 30 ip XX.58.141.254 secondary

standby 30 priority 110

standby 30 preempt

RTR-SEC:

interface GigabitEthernet0/3

description TELECITY BACKUP 27.10.2006

ip address XX.58.141.253 255.255.255.0 secondary

ip address XX.20.44.38 255.255.255.252

media-type rj45

speed auto

duplex auto

negotiation auto

standby 30 ip XX.58.141.254 secondary

no cdp enable

milan.kulik Wed, 07/01/2009 - 04:58

Hi,

have you tried to remove the "sedcondary" option from

standby 30 ip XX.58.141.254 secondary

standby 30 ip XX.58.141.254 secondary

commands?

BR,

Milan

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