IPv6 RIP not being learned ME3600

[k.ramalingam]

            Hello Friends,

I have a very basic setup here but strange the router is learning RIP routes advertised by the switch but the switch is learning anyRIP routes. Debug shows the switch is sending updates but not receiving any. There is also these error:

%MRIB_API-3-ASYNC_ERR: Asynchronous error: failed to register to the MRIB. errno 0xE

I can ping across the gig 0/2 (switch) and GIg 0/2/0 (router)

sw01 - ME 3600

rtr1 - ASR 1001

sw01 config

=========

ipv6 unicast-routing

ipv6 multicast-routing

ipv6 multicast rpf use-bgp

ipv6 router rip V6-RIP

interface GigabitEthernet0/2

description Link to rtr01-int-dc1 g0/2/0

no switchport

ip address yyyy

load-interval 120

delay 5000

ipv6 address yyyy

ipv6 enable

ipv6 rip V6-RIP enable

service-policy output Internet-policy

pv6 unicast-routing

ipv6 multicast-routing

ipv6 multicast rpf use-bgp

ipv6 multicast vrf Mgmt-intf rpf use-bgp

interface Loopback10

description Router ID

ip address 103.16.193.251 255.255.255.255

ipv6 address 2406:3B00:1FFF:FFFF::2/128

ipv6 enable

ipv6 rip V6-RIP enable

interface GigabitEthernet0/2/0

description Uplink to g0/2.sw01-int-dc1

ip address 103.16.193.242 255.255.255.252

delay 5000

negotiation auto

ipv6 address 2406:3B00:1FFF:FFFE::2/125

ipv6 enable

ipv6 rip V6-RIP enable

cdp enable

interface GigabitEthernet0/2
description Link to rtr01-int-dc1 g0/2/0
no switchport
ip address 103.16.193.241 255.255.255.252
load-interval 120
delay 5000
ipv6 address 2406:3B00:1FFF:FFFE::1/125
ipv6 enable
ipv6 rip V6-RIP enable
service-policy output Internet-policy

Router configs

===========

pv6 unicast-routing
ipv6 multicast-routing
ipv6 multicast rpf use-bgp
ipv6 multicast vrf Mgmt-intf rpf use-bgp

ipv6 router rip V6-RIP

interface GigabitEthernet0/2/0
description Uplink to g0/2.sw01-int-dc1
ip address 103.16.193.242 255.255.255.252
delay 5000
negotiation auto
ipv6 address zzzzz

ipv6 enable
ipv6 rip V6-RIP enable
cdp enable

Any idea, why is this happening?

[paolo bevilacqua]

Seems a bug, complain to Cisco TAC.

[Harold Ritter]

Hi,

Could you provide a "show ipv6 int ", "show ipv6 rip" and "show ipv6 rip data" from the two devices.

Regards

[k.ramalingam]

Thanks for your replies

sw01.int.syd#sh ipv6 rou interface gig 0/2
IPv6 Routing Table - default - 12 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, R - RIP, I1 - ISIS L1, I2 - ISIS L2
       IA - ISIS interarea, IS - ISIS summary, ND - ND Default, NDp - ND Prefix
       DCE - Destination, NDr - Redirect, O - OSPF Intra, OI - OSPF Inter
       OE1 - OSPF ext 1, OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1
       ON2 - OSPF NSSA ext 2
C   2406:3B00:1FFF:FFFE::/125 [0/0]
     via GigabitEthernet0/2, directly connected
L   2406:3B00:1FFF:FFFE::1/128 [0/0]
     via GigabitEthernet0/2, receive
sw01.int.syd#sh ipv6 rip
RIP process "V6-RIP", port 521, multicast-group FF02::9, pid 311
     Administrative distance is 120. Maximum paths is 16
     Updates every 30 seconds, expire after 180
     Holddown lasts 0 seconds, garbage collect after 120
     Split horizon is on; poison reverse is off
     Default routes are not generated
     Periodic updates 1162, trigger updates 6
     Full Advertisement 1, Delayed Events 0
  Interfaces:
    GigabitEthernet0/3
    Loopback10
    GigabitEthernet0/2
  Redistribution:
    Redistributing protocol bgp 132603 with metric 1 route-map IPv6_AAPT_Default_Route
sw01.int.syd#sh ipv6 rip dat
sw01.int.syd#sh ipv6 rip database ?
  |  Output modifiers
 

sw01.int.syd#sh ipv6 rip database
RIP process "V6-RIP", local RIB

and the routers:

rtr01.int.syd#sh ipv6 route interface gig 0/2/0

IPv6 Routing Table - default - 22 entries

Codes: C - Connected, L - Local, S - Static, U - Per-user Static route

       B - BGP, R - RIP, H - NHRP, I1 - ISIS L1

       I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary, D - EIGRP

       EX - EIGRP external, ND - ND Default, NDp - ND Prefix, DCE - Destination

       NDr - Redirect, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1

       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2

       ls - LISP site, ld - LISP dyn-EID, a - Application

R   ::/0 [120/2]

     via FE80::F229:29FF:FE9B:ECC3, GigabitEthernet0/2/0

C   2406:3B00:1FFF:FFFE::/125 [0/0]

     via GigabitEthernet0/2/0, directly connected

L   2406:3B00:1FFF:FFFE::2/128 [0/0]

     via GigabitEthernet0/2/0, receive

R   2406:3B00:1FFF:FFFF::1/128 [120/2]

     via FE80::F229:29FF:FE9B:ECC3, GigabitEthernet0/2/0 rtr01.int.syd#sh ipv6 route interface gig 0/2/0
IPv6 Routing Table - default - 22 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, R - RIP, H - NHRP, I1 - ISIS L1
       I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary, D - EIGRP
       EX - EIGRP external, ND - ND Default, NDp - ND Prefix, DCE - Destination
       NDr - Redirect, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       ls - LISP site, ld - LISP dyn-EID, a - Application
R   ::/0 [120/2]
     via FE80::F229:29FF:FE9B:ECC3, GigabitEthernet0/2/0
C   2406:3B00:1FFF:FFFE::/125 [0/0]
     via GigabitEthernet0/2/0, directly connected
L   2406:3B00:1FFF:FFFE::2/128 [0/0]
     via GigabitEthernet0/2/0, receive
R   2406:3B00:1FFF:FFFF::1/128 [120/2]
     via FE80::F229:29FF:FE9B:ECC3, GigabitEthernet0/2/0

[Harold Ritter]

Hi,

Is rip enabled on any other interface other than gi0/2/0 on the ASR1k? Assuming that the asr1k loopback interface has an ipv6 address configured, could you try enabling rip in the loopback interface.

Regards