Re: LDP goes down every 3mins

Darlington, Joe,

Try tweaking the discovery/holdtimers on emulated platforms.
#mpls ldp holdtime/discovery etc

Best Regards,
Tharak Abraham Luke

On Mon, Mar 10, 2014 at 10:19 PM, Joe Sanchez <marco207p_at_gmail.com> wrote:

> Is this from GNS3 ? If so, I run into this a lot and I haven't figured out
> how to stop it, just something I deal with while I'm testing something.
>
> Regards,
> Joe Sanchez
>
> ( please excuse the brevity of this email as it was sent via a mobile
> device. Please excuse misspelled words or sentence structure.)
>
> > On Mar 10, 2014, at 10:31 AM, Darlington Ngaiso <ngaissod_at_gmail.com>
> wrote:
> >
> > 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 Tue Mar 11 2014 - 08:22:46 ART