LDP goes down every 3mins

Hi Guys

I have an Issue below and would be glad if you could assist.

nam-wdk-tel-ppe02#
299740: *Mar 10 17:04:49: %LDP-5-GR: GR session 10.117.246.141:0 (inst. 1):
interrupted--recovery pending
299741: *Mar 10 17:04:49: %LDP-5-NBRCHG: LDP Neighbor 10.117.246.141:0 (0)
is DOWN (Session KeepAlive Timer expired)

299742: *Mar 10 17:04:53: %LDP-5-GR: GR session 10.117.246.141:0 (inst. 2):
starting graceful recovery
299743: *Mar 10 17:04:53: %LDP-5-NBRCHG: LDP Neighbor 10.117.246.141:0 (2)
is UP

299744: *Mar 10 17:06:30: %BGP-3-NOTIFICATION: sent to neighbor
41.218.71.73 passive 6/0 (cease) 0 bytes

299745: *Mar 10 17:07:53: %LDP-5-GR: GR session 10.117.246.141:0 (inst. 2):
completed graceful recovery
299746: *Mar 10 17:07:53: %LDP-5-GR: GR session 10.117.246.141:0 (inst. 2):
interrupted--recovery pending
299747: *Mar 10 17:07:53: %LDP-5-NBRCHG: LDP Neighbor 10.117.246.141:0 (0)
is DOWN (Session KeepAlive Timer expired)
299748: *Mar 10 17:07:56: %LDP-5-GR: GR session 10.117.246.141:0 (inst. 1):
starting graceful recovery
299749: *Mar 10 17:07:56: %LDP-5-NBRCHG: LDP Neighbor 10.117.246.141:0 (1)
is UP
299750: *Mar 10 17:09:02: %BGP-3-NOTIFICATION: sent to neighbor
41.218.71.73 passive 6/0 (cease) 0 bytes
299751: *Mar 10 17:10:56: %LDP-5-GR: GR session 10.117.246.141:0 (inst. 1):
completed graceful recovery
299752: *Mar 10 17:10:56: %LDP-5-GR: GR session 10.117.246.141:0 (inst. 1):
interrupted--recovery pending
299753: *Mar 10 17:10:56: %LDP-5-NBRCHG: LDP Neighbor 10.117.246.141:0 (0)
is DOWN (Session KeepAlive Timer expired)

299754: *Mar 10 17:11:01: %LDP-5-GR: GR session 10.117.246.141:0 (inst. 4):
starting graceful recovery
299755: *Mar 10 17:11:01: %LDP-5-NBRCHG: LDP Neighbor 10.117.246.141:0 (4)
is UP
299756: *Mar 10 17:11:35: %BGP-3-NOTIFICATION: sent to neighbor
41.218.71.73 passive 6/0 (cease) 0 bytes
299757: *Mar 10 17:14:01: %LDP-5-GR: GR session 10.117.246.141:0 (inst. 4):
completed graceful recovery
299758: *Mar 10 17:14:01: %LDP-5-GR: GR session 10.117.246.141:0 (inst. 4):
interrupted--recovery pending
299759: *Mar 10 17:14:01: %LDP-5-NBRCHG: LDP Neighbor 10.117.246.141:0 (0)
is DOWN (Session KeepAlive Timer expired)

299760: *Mar 10 17:14:04: %LDP-5-GR: GR session 10.117.246.141:0 (inst. 2):
starting graceful recovery
299761: *Mar 10 17:14:04: %LDP-5-NBRCHG: LDP Neighbor 10.117.246.141:0 (2)
is UP
299762: *Mar 10 17:14:04: %LDP-5-GR: GR session 10.117.246.141:0 (inst. 2):
completed graceful recovery

When I ping from Side A

I get the pattern below

ping 10.214.0.76 re 100 size 1496 df
Type escape sequence to abort.
Sending 100, 1496-byte ICMP Echos to 10.214.0.76, timeout is 2 seconds:
Packet sent with the DF bit set
!!!!.!!!!!!.!!!!!!.!!!!!!!.!!!!!!.!!!!!!.!!!!!!.!!!!!!.!!!!!!.!!!!!!.!
!!!!!.!!!!!!.!!!!!!.!!!!!.!!!!
Success rate is 86 percent (86/100), round-trip min/avg/max = 168/170/180 ms

But the ping from Side B is going through fine

ping 10.214.0.77 re 100 size 1496 df

Type escape sequence to abort.
Sending 100, 1496-byte ICMP Echos to 10.214.0.77, timeout is 2 seconds:
Packet sent with the DF bit set
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Success rate is 100 percent (100/100), round-trip min/avg/max = 168/170/184
ms

A#sh mpls ldp neighbor 10.117.246.141 detail
    Peer LDP Ident: 10.117.246.141:0; Local LDP Ident 10.214.57.142:0
        TCP connection: 10.117.246.141.646 - 10.214.57.142.36408
        Password: not required, none, in use
        State: Oper; *Msgs sent/rcvd: 1424/2;* Downstream; Last TIB rev
sent 77971
        Up time: 00:00:50; UID: 19327; Peer Id 0;
        LDP discovery sources:
          GigabitEthernet0/1.304; Src IP addr: 10.214.0.76
            holdtime: 15000 ms, hello interval: 5000 ms
          Targeted Hello 10.214.57.142 -> 10.117.246.141, active, passive;
            holdtime: infinite, hello interval: 10000 ms
        Peer holdtime: 180000 ms; KA interval: 60000 ms; Peer state: estab
        Clients: Graceful Restart
        LDP Session Protection enabled, state: Ready
            duration: 86400 seconds
        Capabilities Sent:
          [ICCP (type 0x0405) MajVer 1 MinVer 0]
          [Dynamic Announcement (0x0506)]
          [Typed Wildcard (0x050B)]
        Capabilities Received:
          [ICCP (type 0x0405) MajVer 1 MinVer 0]
          [Dynamic Announcement (0x0506)]
A#

A#sh tcp brie | in 10.117.246.141
71310EA4 10.214.57.142.11539 10.117.246.141.646 FINWAIT2
712AF614 10.214.57.142.15104 10.117.246.141.646 FINWAIT2
69F87444 10.214.57.142.25966 10.117.246.141.646 FINWAIT2
69B3C8C0 10.214.57.142.36408 10.117.246.141.646 ESTAB
A#

Below is the config on the interface

interface GigabitEthernet0/1.304
 encapsulation dot1Q 304
 ip address 10.214.0.77 255.255.255.254
 ip ospf network point-to-point
 ip ospf cost 10000
 ip ospf mtu-ignore
 mpls label protocol ldp
 mpls ip

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Received on Mon Mar 10 2014 - 17:31:59 ART