[f-nsp] IPv6 on MLX stopped working

["Rolf Hanßen"]

Hello,

anybody seen such behaviour on a MLX yet?
IPv6 stopped working for a ve interface, re-entering the IP solved it.
As far as I see this affected only that interface/IP.

Ironware: 05600b
Cards: NI-MLX-MR with NI-MLX-10Gx4 NI-MLX-10Gx2 NI-MLX-1Gx20-SFP

SSH at de-dus-dc2-gw-001#sh run int ve 1359
interface ve 1359
 port-name resolver1
 ip address x.x.x.x/30
 ipv6 address XXXX:XXXX:200:5::1/64
 ipv6 enable
 ipv6 nd suppress-ra

SSH at de-dus-dc2-gw-001#ping ipv6 XXXX:XXXX:200:5::1
Sending 1, 16-byte ICMPv6 Echo to XXXX:XXXX:200:5::1
timeout 5000 msec, Hop Limit 64
Type Control-c to abort
Request timed out.
No reply from remote host.

SSH at de-dus-dc2-gw-001#sh ipv6 route XXXX:XXXX:200:5::1
Type Codes - B:BGP C:Connected I:ISIS L:Local O:OSPF R:RIP S:Static
BGP  Codes - i:iBGP e:eBGP
ISIS Codes - L1:Level-1 L2:Level-2
OSPF Codes - i:Inter Area 1:External Type 1 2:External Type 2
STATIC Codes - d:DHCPv6
        Type IPv6 Prefix           Next Hop Router    Interface    
Dis/Metric     Uptime src-vrf
1       C    XXXX:XXXX:200:5::/64   ::                 ve 1359       0/0  
         151d

SSH at de-dus-dc2-gw-001#sh ipv6 neighbor
Total number of Neighbor entries: 5
Type Codes - *:Static
Entries in default VRF:
      IPv6 Address                            VLAN LinkLayer-Addr State 
Age  Port  R
...
4     fe80::250:56ff:fe9e:33c2                1359 0050.569e.33c2 STALE 
12   4/2   0
5     XXXX:XXXX:200:5::2                      1359 0050.569e.33c2 DELAY  2
   4/2   0


SSH at de-dus-dc2-gw-001#conf t
SSH at de-dus-dc2-gw-001(config)#int ve 1359
SSH at de-dus-dc2-gw-001(config-vif-1359)#no ipv6 address XXXX:XXXX:200:5::1/64
SSH at de-dus-dc2-gw-001(config-vif-1359)#ipv6 address XXXX:XXXX:200:5::1/64
SSH at de-dus-dc2-gw-001(config-vif-1359)#exit
SSH at de-dus-dc2-gw-001(config)#exit
SSH at de-dus-dc2-gw-001#ping ipv6 XXXX:XXXX:200:5::1
Ping self done.
SSH at de-dus-dc2-gw-001#

kind regards
Rolf