[c-nsp] IPv6 on ASR Bug

[Xu Hu]

Do you see any ipv6 neighbor through the show ipv6 neighbor command?

2012/9/13 Scott Pettit <SPettit at end2end.co.nz>

> Hi all,
>
> Hoping someone can test this for me, I believe there is a severe bug with
> IPv6 on the ASR.
>
> We are unable to stand up IPv6 in the following scenario:
>
> ASR - Gi0/0/0 connected to a trunk port on a Catalyst, and another trunk
> port connected to Gi0/0 on an ISR2911
>
> If you configure the following on the ASR:
>
> interface GigabitEthernet0/0/0.4010
>  encapsulation dot1Q 4010
>  ip address 192.168.1.1 255.255.255.0
>  ipv6 address FDC3:76E6:F4EF:2A24::2/64
>  ipv6 enable
> end
>
> The configure the following on the 2911 (or any ISR with IPv6 support):
>
> interface GigabitEthernet0/0.4010
>  encapsulation dot1Q 4010
>  ip address 192.168.1.2 255.255.255.0
>  ipv6 address FDC3:76E6:F4EF:2A24::1/64
>  ipv6 enable
> end
>
> On the Catalyst set the ports your Gi0/0/0 and Gi0/0 are connected to to
> trunk mode and allow all VLAN's.
>
> ISR#ping FDC3:76E6:F4EF:2A24::1
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to FDC3:76E6:F4EF:2A24::1, timeout is 2
> seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 0/0/0 ms
>
> ISR1#ping FDC3:76E6:F4EF:2A24::2
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to FDC3:76E6:F4EF:2A24::2, timeout is 2
> seconds:
> .....
> Success rate is 0 percent (0/5)
>
> So we confirm the router can ping itself (so IPv6 is enabled), but it
> can't ping the other end of the link.  Nothing in neighbours either.
>
> ASR#ping FDC3:76E6:F4EF:2A24::2
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to FDC3:76E6:F4EF:2A24::2, timeout is 2
> seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms
>
> ASR#ping FDC3:76E6:F4EF:2A24::1
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to FDC3:76E6:F4EF:2A24::1, timeout is 2
> seconds:
> .H..H
> Success rate is 0 percent (0/5)
>
> Ditto on the ASR.
>
> Two ISR's work fine.
>
> Code I'm using:
>
> ASR: asr1001-universalk9.03.07.00b.S.152-4.S0b.bin
> ISR: c2900-universalk9-mz.SPA.152-1.T1.bin
>
> I've had a case open with TAC for 7 days now and they still can't resolve
> it...
>
> Hopefully someone has some spare kit to test this on.
>
> -Scott
> ________________________________
>  The content of this message and any attachments may be privileged,
> confidential or sensitive. Any unauthorised used is prohibited. Views
> expressed in this message are those of the individual sender, except where
> stated otherwise with appropriate authority. All pricing provided is valid
> at the time of writing only and due to factors such as the exchange rate,
> may change without notice. Sales are made subject to our Terms &
> Conditions, available at http://www.end2end.co.nz/info/
> ________________________________
>
>
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/
>