Re: LDP goes down every 3mins

Hi Guys

I have escalated to the Link Provider to look at layer1 and layer 2 and
 waiting for their feedback.

regards

On Tue, Mar 11, 2014 at 9:47 AM, Tony Singh <mothafungla_at_gmail.com> wrote:

>
> The first guy who replied kind of got it right sounded like a layer 1 issue
>
> 169 lost carrier
>
> Means it's not sensing himself copying the frame onto the wire & loses
> signal, might have to eliminate a faulty port..
>
> Check you have auto-neg enabled both ends of the link & 1000g
>
> --
> BR
>
> Tony
>
> > On 11 Mar 2014, at 07:26, Darlington Ngaiso <ngaissod_at_gmail.com> wrote:
> >
> > Hi Guys
> >
> > This is on a Live Equipment on a Live network.
> >
> > The interface GigabitEthernet0/1.304 connects to a Switch on the Link
> > Provider Network. The VLAN 304 is carried across the Transmission network
> > to the other side
> >
> >
> >
> > A#sh int gi0/1.304
> > GigabitEthernet0/1.304 is up, line protocol is up
> > Hardware is BCM1125 Internal MAC, address is 0014.a923.83b1 (bia
> > 0014.a923.83b1)
> > Internet address is 10.214.0.77/31
> > MTU 1570 bytes, BW 5000 Kbit/sec, DLY 10 usec,
> > reliability 255/255, txload 1/255, rxload 1/255
> > Encapsulation 802.1Q Virtual LAN, Vlan ID 304.
> > ARP type: ARPA, ARP Timeout 04:00:00
> > Keepalive set (10 sec)
> > Last clearing of "show interface" counters never
> >
> >
> > A#sh int gi0/1
> > GigabitEthernet0/1 is up, line protocol is up
> > Hardware is BCM1125 Internal MAC, address is 0014.a923.83b1 (bia
> > 0014.a923.83b1)
> > MTU 1570 bytes, BW 1000000 Kbit/sec, DLY 10 usec,
> > reliability 255/255, txload 1/255, rxload 1/255
> > Encapsulation 802.1Q Virtual LAN, Vlan ID 1., loopback not set
> > Keepalive set (10 sec)
> > Full Duplex, 1Gbps, media type is RJ45
> > output flow-control is XON, input flow-control is XON
> > ARP type: ARPA, ARP Timeout 04:00:00
> > Last input 00:00:01, output 00:00:00, output hang never
> > Last clearing of "show interface" counters never
> > Input queue: 0/75/183/0 (size/max/drops/flushes); Total output drops:
> > 11857873
> > Queueing strategy: Class-based queueing
> > Output queue: 0/1000/0 (size/max total/drops)
> > 5 minute input rate 776000 bits/sec, 597 packets/sec
> > 5 minute output rate 1424000 bits/sec, 452 packets/sec
> > 3382929345 packets input, 1301044716 bytes, 0 no buffer
> > Received 17456285 broadcasts (0 IP multicasts)
> > 0 runts, 0 giants, 3 throttles
> > 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
> > 0 watchdog, 29307695 multicast, 0 pause input
> > 2627620094 packets output, 4099699112 bytes, 0 underruns
> > 163 output errors, 0 collisions, 1 interface resets
> > 44 unknown protocol drops
> > 0 babbles, 0 late collision, 0 deferred
> > 169 lost carrier, 0 no carrier, 0 pause output
> > 0 output buffer failures, 0 output buffers swapped out
> > A#
> >
> >
> >
> >
> >
> >
> >
> >
> > On Mon, Mar 10, 2014 at 5:31 PM, 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
> >
> >
> > Blogs and organic groups at http://www.ccie.net
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html

Blogs and organic groups at http://www.ccie.net
Received on Tue Mar 11 2014 - 10:01:23 ART