From: John Aitken (john.aitken@gmail.com)
Date: Fri Feb 23 2007 - 16:02:42 ART
Hey Mike,
Tried already without the ipv6 config on the BVI and exactly the same, got
same config as you on fastethernet. Thinking it's some sort of bug specific
to the version on my R2 router, can't see anything else wrong with it. (No
problems pinging it whichever way I do it, purely with getting RIP routes
when interface is in bridge group).
On 2/23/07, M S <michaelgstout@hotmail.com> wrote:
>
> Hi John:
> Remove the ipv6 configurations from the bvi interface.
> You must have a duplicate ip address error.
> I configured this using only the fastethernet0/0 interface and it works.
>
> !
> interface FastEthernet0/0
> description connect to bb2
> no ip address
> duplex auto
> speed auto
> ipv6 address 2001:192:10:1::/64 eui-64
> bridge-group 1
> end
>
> R2#ping 2001:192:10:1::254
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 2001:192:10:1::254, timeout is 2
> seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms
>
> ------------------------------
> From: *"John Aitken" <john.aitken@gmail.com>*
> Reply-To: *"John Aitken" <john.aitken@gmail.com>*
> To: *"Cisco certification" <ccielab@groupstudy.com>*
> Subject: *I.E. Lab 16 IPv6 (7.4)*
> Date: *Thu, 22 Feb 2007 22:18:26 +0000*
> Guys,
>
> Can anyone explain to me why this isn't working?
>
> R2 FE0/0 is connected to BB2 E0, speaking IPv6 rip and sending IPv6 RIP
> routes to BB2, which is seeing and installing them in it's route tables.
>
> R2 FE0/0 is part of a bridge group (Not in use for this section). If I put
> the config on the BVI interface I don't recieve any IPv6 RIP routes from
> BB2
> . If I put the IPv6 config on the fastethernet I get exactly exactly the
> same results (In the answer key the config is on the fastethernet, not the
> BVI).
>
> If I remove the interface from the bridge group it all springs into life,
> if
> I re add it then same again. Rebooted also to see if that fixed anything.
>
> Have the following config on R2:
>
> interface BVI1
> ip address 192.10.1.2 255.255.255.0
> ipv6 address 2001:192:10:1::/64 eui-64
> ipv6 rip RIPng enable
> end
>
> or alternately (Removing from FA0/0):
>
> interface FastEthernet0/0
> no ip address
> ipv6 address 2001:192:10:1::/64 eui-64
> ipv6 rip RIPng enable
> bridge-group 1
> end
>
> On BB2 it's:
>
> interface Ethernet0
> ip address 192.10.1.254 255.255.255.0
> ipv6 address 2001:192:10:1::254/64
> ipv6 rip RIPng enable
> end
> !
> ipv6 router rip RIPng
> distribute-list prefix-list RIPng out
> !
> ipv6 prefix-list RIPng seq 5 permit 2001:205:90:31::/64
> ipv6 prefix-list RIPng seq 10 permit 2001:220:20:3::/64
> ipv6 prefix-list RIPng seq 15 permit 2001:222:22:2::/64
>
> (These are the routes I'm expecting to see)
>
> Some debugs:
>
> R2 (BVI)
>
> *May 11 14:37:57.167: RIPng: Sending multicast update on BVI1 for RIPng
> *May 11 14:37:57.167: src=FE80::20D:BDFF:FE27:5C20
> *May 11 14:37:57.167: dst=FF02::9 (BVI1)
> *May 11 14:37:57.167: sport=521, dport=521, length=112
> *May 11 14:37:57.167: command=2, version=1, mbz=0, #rte=5
> *May 11 14:37:57.167: tag=0, metric=1, prefix=2001:CC1E:1::2/128
> *May 11 14:37:57.167: tag=0, metric=1, prefix=2001:CC1E:1:25::/64
> *May 11 14:37:57.167: tag=0, metric=1, prefix=2001:192:10:1::/64
> *May 11 14:37:57.167: tag=0, metric=2, prefix=2001:CC1E:1::5/128
> *May 11 14:37:57.171: tag=0, metric=2, prefix=2001:CC1E:1:5::/64
>
> R2 (fa0/0)
> *May 11 14:31:31.979: RIPng: Sending multicast update on FastEthernet0/0
> for
> RIPng
> *May 11 14:31:31.979: src=FE80::20D:BDFF:FE27:5C20
> *May 11 14:31:31.979: dst=FF02::9 (FastEthernet0/0)
> *May 11 14:31:31.979: sport=521, dport=521, length=112
> *May 11 14:31:31.979: command=2, version=1, mbz=0, #rte=5
> *May 11 14:31:31.979: tag=0, metric=1, prefix=2001:CC1E:1::2/128
> *May 11 14:31:31.979: tag=0, metric=1, prefix=2001:192:10:1::/64
> *May 11 14:31:31.979: tag=0, metric=1, prefix=2001:CC1E:1:25::/64
> *May 11 14:31:31.979: tag=0, metric=2, prefix=2001:CC1E:1::5/128
> *May 11 14:31:31.983: tag=0, metric=2, prefix=2001:CC1E:1:5::/64
>
>
> (Never recieve any from BB2)
> BB2
>
> Mar 1 00:31:40.559: RIPng: Output filter suppresses 2001:192:10:1::/64
> Mar 1 00:31:40.563: RIPng: Sending multicast update on Ethernet0 for
> RIPng
> Mar 1 00:31:40.567: src=FE80::2E0:1EFF:FE67:F6EB
> Mar 1 00:31:40.571: dst=FF02::9 (Ethernet0)
> Mar 1 00:31:40.571: sport=521, dport=521, length=72
> Mar 1 00:31:40.575: command=2, version=1, mbz=0, #rte=3
> Mar 1 00:31:40.575: tag=0, metric=1, prefix=2001:205:90:31::/64
> Mar 1 00:31:40.579: tag=0, metric=1, prefix=2001:220:20:3::/64
> Mar 1 00:31:40.583: tag=0, metric=1, prefix=2001:222:22:2::/64
> Mar 1 00:31:40.587: RIPng: Output filter suppresses 2001:192:10:1::/64
> Mar 1 00:31:40.591: RIPng: Output filter suppresses 2001:CC1E:1::2/128
> Mar 1 00:31:40.595: RIPng: Output filter suppresses 2001:CC1E:1::5/128
> Mar 1 00:31:40.595: RIPng: Output filter suppresses 2001:CC1E:1:5::/64
> Mar 1 00:31:40.599: RIPng: Output filter suppresses 2001:CC1E:1:25::/64
> Mar 1 00:31:40.603: RIPng:
>
>
> Mar 1 00:31:45.723: RIPng: response received from
> FE80::20D:BDFF:FE27:5C20
> on Ethernet0 for RIPng
> Mar 1 00:31:45.727: src=FE80::20D:BDFF:FE27:5C20 (Ethernet0)
> Mar 1 00:31:45.731: dst=FF02::9
> Mar 1 00:31:45.731: sport=521, dport=521, length=112
> Mar 1 00:31:45.735: command=2, version=1, mbz=0, #rte=5
> Mar 1 00:31:45.735: tag=0, metric=1, prefix=2001:CC1E:1::2/128
> Mar 1 00:31:45.739: tag=0, metric=1, prefix=2001:CC1E:1:25::/64
> Mar 1 00:31:45.743: tag=0, metric=1, prefix=2001:192:10:1::/64
> Mar 1 00:31:45.747: tag=0, metric=2, prefix=2001:CC1E:1:5::/64u
> FRS-BB2#u all
> Mar 1 00:31:45.747: tag=0, metric=2, prefix=2001:CC1E:1::5/128
>
> Am I just banging my head against a bug or am I missing something
> blindingly
> obvious?
>
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