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

[Danny Pinto]

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:
>>                       A indicates IP address owner
>>                       | P indicates configured to preempt
>>                       | |
>> Interface   vrID Prio A P State    Master addr     VRouter addr
>> Gi0/2/1/6.451   10  110   P Backup   172.0.51.1      172.0.51.3
>> IPv6 Virtual Routers:
>>                       A indicates IP address owner
>>                       | P indicates configured to preempt
>>                       | |
>> Interface   vrID Prio A P State    Master addr     VRouter addr
>> Gi0/2/1/6.451   10  110   P Master   local           fe80::cafe:1
>>
>>
>> MX JunOS
>>
>> ge-0/1/9.451  up             10   master   Active      A  0.573 lcl    172.0.51.1
>>                                                                 vip    172.0.51.3
>> ge-0/1/9.451  up             10   master   Active      A  0.005 lcl    2001:1234:0:e::451:1
>>                                                                 vip    fe80::cafe:1
>>                                                                 vip    2001:1234:0:e::451:3
>>
>>
>>
>>
>>
>>
>>  
>>
>>
>>
>> On Tuesday, 5 November 2013 12:20 PM, Oliver Boehmer (oboehmer) <oboehmer at cisco.com> wrote:
>>
>>
>>>>
>>>>I am looking for VRRP support on XR - 12000 / GSR with global IPv6
>>>>virtual address to achieve something like below . But seems XR is not
>>>>supporting it on 12K . Can anyone confirm what is supported on XR for
>>>>12000s ?
>>>>
>>>>[...]
>>>
>>>>RP/0/9/CPU0:PE-test7.bl(config-vrrp-virtual-router)#show configuration
>>>>failed
>>>>Tue Nov  5 02:29:22.517 IST
>>>>!! SEMANTIC ERRORS: This configuration was rejected by
>>>>!! the system due to semantic errors. The individual
>>>>!! errors with each failed configuration command can be
>>>>!! found below.
>>>>
>>>>
>>>>router vrrp
>>>> interface GigabitEthernet0/0/0/3.404
>>>>  address-family ipv6
>>>>   vrrp 4
>>>>    address global 2001:954:0:f::1:1
>>>>!!% 'vrrp' detected the 'warning' condition 'No Primary VRRP IP address
>>>>exists for this VRID'
>>>>   !
>>>>  !
>>>
>>>vrrp on xr requires a linklocal address to be configured, best use
>>>autoconfig: 
>>>
>>>router vrrp
>>>interface GigabitEthernet0/0/0/3.404
>>>  address-family ipv6
>>>   vrrp 4
>>>    address linklocal autoconfig
>>>
>>>    address global 2001:954:0:f::1:1
>>>
>>>
>>>Hope this works
>>>
>>>
>>>    oli
>>>
>>>
>>>
>>>
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