[c-nsp] XR 12000/GSR - 4.2.3 VRRP IPv6 Global virtual address.

[Xu Hu]

what is the bug detail, is it related by ttl?

On Friday, November 8, 2013, Danny Pinto <danny.pinto at ymail.com> wrote:
> Just got confirmed with a SR . Bug on SR. VRRP v6 on XR does not work
with other platforms.
> Thanks.
> Regards,
> Danny
>
> On Thursday, 7 November 2013 6:38 PM, Xu Hu <jstuxuhu0816 at gmail.com>
wrote:
>
> one recommendation is that check the ttl value for xr and junos.
> I got one case regarding iOS & IOS-XR, then cannot talk, finnaly i
sniffer the detail packet and found that the default ttl value is
different, so both cannot recognise each other.
>
> On Wednesday, November 6, 2013, Danny Pinto <danny.pinto at ymail.com> wrote:
>>
>>
>> Thanks I able to get VRRP working on v6 between two  XR 12K boxes.
>>
>> But when I try to get VRRP working between a XR12K and  JunOS on MX . v4
VRRP works fine.
>>
>> VRRP v6 does not come up , getting some checksum errors on the debug for
v6 and both the boxes are becoming masters ! Any clue ?
>>
>> Anything needs to be done to get VRRP v6 working between XR and JunOS. ?
below is configuration & logs .
>>
>>
>> XR 12000
>>
>>
>>
>> interface Gi0/2/1/6.451
>>  description VRRP Test 2
>>  ipv4 address 172.0.51.2 255.255.255.248
>>  ipv6 address 2001:1234:0:e::451:2/112
>>  dot1q vlan 451
>>
>>
>> router vrrp
>>  interface Gi0/2/1/6.451
>>   address-family ipv4
>>    vrrp 10 version 3
>>     priority 110
>>     address 172.0.51.3
>>    !
>>   !
>>   address-family ipv6
>>    vrrp 10
>>     priority 110
>>     address linklocal fe80::cafe:1
>>     address global 2001:1234:0:e::451:3
>>    !
>>
>>
>> Juniper MX
>>
>> @sar4.BLB# show interfaces ge-0/1/9.451
>> description "VRRP Test 2 cr2.BLB";
>> vlan-id 451;
>> family inet {
>>     address 172.0.51.1/29 {
>>         vrrp-group 10 {
>>             virtual-address 172.0.51.3;
>>             priority 200;
>>         }
>>     }
>> }
>> family inet6 {
>>     address 2001:1234:0:e::451:1/112 {
>>         vrrp-inet6-group 10 {
>>             virtual-inet6-address 2001:1234:0:e::451:3;
>>             virtual-link-local-address fe80::cafe:1;
>>             priority 200;
>>         }
>>     }
>> }
>>
>> show protocols vrrp | display set
>> set protocols vrrp traceoptions file VRRP
>> set protocols vrrp traceoptions flag all
>> deactivate protocols vrrp traceoptions
>> set protocols vrrp version-3
>>
>>
>>
>> Error logs
>>
>> I see follow logs on XR debugs. V4 is working okay.checksum errors for
IPv6
>>
>> RP/0/9/CPU0:Nov  6 09:34:08.166 : vrrp[1108]: Gi0/2/1/6.451: Prot err:
src fe80::8271:1f01:c3f1:2832: Received packet has invalid checksum: 31410
>> RP/0/9/CPU0:Nov  6 09:34:08.238 : vrrp[1108]: Gi0/2/1/6.451: VR10: Pkt:
ADVER:  In: pri  200 src 172.0.51.1
>> RP/0/9/CPU0:Nov  6 09:34:08.238 : vrrp[1108]: Gi0/2/1/6.451: VR10: IPv4:
Prot evt: Out: Master_Down timer restarted for 3 sec, 570 msec
>> g aRP/0/9/CPU0:Nov  6 09:34:09.030 : vrrp[1108]: Gi0/2/1/6.451: Prot
err: src fe80::8271:1f01:c3f1:2832: Received packet has invalid checksum:
31410
>>
>>
>> RP/0/9/CPU0:cr2.BLB#show vrrp interface Gi0/2/1/6.451
>> Wed Nov  6 09:35:27.334 IST
>> IPv4 Virtual Routers:
>