From: Bob Sinclair (bsin@cox.net)
Date: Sat Jun 19 2004 - 15:52:39 GMT-3
Mohit,
HSRP should work with ISL. There is a bug reported for certain 12.0 IOS on
RSP2. Could this be your problem?
http://www.cisco.com/cgi-bin/Support/Bugtool/onebug.pl?bugid=CSCdm68811
HTH,
Bob Sinclair
CCIE #10427, CISSP, MCSE
www.netmasterclass.net
----- Original Message -----
From: "Sharma, Mohit" <mohit.sharma@hp.com>
To: "studygroup" <ccielab@groupstudy.com>
Sent: Saturday, June 19, 2004 8:03 AM
Subject: HSRP with trunk ISL encap- ISSUES?
> HI All,
>
> Has anyone seen this before?
>
> I have R2 and R6 connected with each other via a 3550.
>
> Rack1R2 -----3550------------------Rack1R6(fa3/1/0.26)
> |
> ISL trunk
>
> If I enable HSRP on R2 and R6 all connection is lost between them.
>
> If I then change the trunk encap to dot1q on R6 and the 3550, all works
> fine.
>
> Does anybody know why this is??
>
> Rack1R6#
> interface FastEthernet3/1/0.6
> encapsulation isl 6
> ip address 130.1.26.6 255.255.255.0
> no ip redirects
> End
> Rack1R6(config)#int fastEthernet 3/1/0.26
> Rack1R6(config-subif)# standby ip 130.1.26.254
> Rack1R6(config-subif)#
> *Jun 19 12:07:24.275: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor
> 130.1.26.2 (FastEthernet3/1/0.26) is down: retry limit exceeded
> Rack1R6(config-subif)#
> *Jun 19 12:07:24.275: destroy peer: 130.1.26.2
> Rack1R6(config-subif)#do ping 130.1.26.2
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 130.1.26.2, timeout is 2 seconds:
> .....
> Success rate is 0 percent (0/5)
> -----------------------------------
> With dot1q
> interface FastEthernet3/1/0.26
> encapsulation dot1Q 26
> ip address 130.1.26.6 255.255.255.0
> no ip redirects
> standby ip 130.1.26.254
> standby priority 110
> standby preempt delay minimum 10
> End
> Rack1R6(config-subif)#do ping 130.1.26.2
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 130.1.26.2, timeout is 2 seconds:
> .!!!!
> Success rate is 80 percent (4/5), round-trip min/avg/max = 4/4/4 ms
> Rack1R6(config-subif)#do sh ru int
> *Jun 19 12:11:02.591: %BGP-5-ADJCHANGE: neighbor 130.1.26.2 Up
>
> Thanx,
> Mohit.
>
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