Re: MPLS across serial link

used your config on my two routers worked like a charm?

R3#sh debugging
MPLS ldp:
  LDP received messages, excluding periodic Keep Alives debugging is on
  LDP sent PDUs, excluding periodic Keep Alives debugging is on

R3(config)#int s0/0
R3(config-if)#no shut
R3(config-if)#end
R3#
*Mar 1 00:03:05.519: %SYS-5-CONFIG_I: Configured from console by console
*Mar 1 00:03:06.607: %LINK-3-UPDOWN: Interface Serial0/0, changed state to
up
*Mar 1 00:03:07.299: ldp: Sent init msg to 150.1.13.1 (pp 0x0)
*Mar 1 00:03:07.523: ldp: Rcvd init msg from 150.1.13.1 (pp 0x0)
*Mar 1 00:03:07.527: ldp: Rcvd keepalive msg from 150.1.13.1:0 (pp 0x0)
*Mar 1 00:03:07.531: %LDP-5-NBRCHG: LDP Neighbor 150.1.13.1:0 (1) is UP
*Mar 1 00:03:07.539: ldp: Sent address msg to 150.1.13.1:0 (pp 0x67262638)
*Mar 1 00:03:07.539: ldp: Sent label mapping msg to 150.1.13.1:0 (pp
0x67262638)
*Mar 1 00:03:07.607: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Serial0/0, changed state to up
*Mar 1 00:03:07.731: ldp: Rcvd address msg from 150.1.13.1:0 (pp
0x67262638)
*Mar 1 00:03:07.735: ldp: Rcvd label mapping msg from 150.1.13.1:0 (pp
0x67262638)

R3#sh ver
Cisco IOS Software, 3700 Software (C3725-ADVENTERPRISEK9-M), Version
12.4(15)T12, RELEASE SOFTWARE (fc3)

R1#
*Mar 1 00:03:07.903: %LDP-5-NBRCHG: LDP Neighbor 150.1.13.3:0 (1) is UP
R1#sh mpls ldp ne
R1#sh mpls ldp neighbor
    Peer LDP Ident: 150.1.13.3:0; Local LDP Ident 150.1.13.1:0
        TCP connection: 150.1.13.3.35083 - 150.1.13.1.646
        State: Oper; Msgs sent/rcvd: 6/5; Downstream
        Up time: 00:01:40
        LDP discovery sources:
          Serial0/0.13, Src IP addr: 150.1.13.3
        Addresses bound to peer LDP Ident:
          150.1.13.3
R3#sh mpls ldp neighbor
    Peer LDP Ident: 150.1.13.1:0; Local LDP Ident 150.1.13.3:0
        TCP connection: 150.1.13.1.646 - 150.1.13.3.35083
        State: Oper; Msgs sent/rcvd: 6/6; Downstream
        Up time: 00:01:56
        LDP discovery sources:
          Serial0/0.13, Src IP addr: 150.1.13.1
        Addresses bound to peer LDP Ident:
          150.1.13.1

--
Garry L. Baker
"There is no 'patch' for stupidity." - www.sqlsecurity.com
On Tue, Aug 17, 2010 at 12:41 PM, Jomi <doctorfleming_at_gmail.com> wrote:
> In order to stablish the LDP session, routers need to reach the IP they use
> in LDP.
> Do you have any Loopbacks on those routers?? Are those loobpack reachables
> between the routers?? Check which IP is using each router to stablish de
> session, and check if it's reachable.
>
>
>
> On Tue, Aug 17, 2010 at 11:33 AM, GAURAV MADAN <gauravmadan1177_at_gmail.com
> >wrote:
>
> > Hi Frnds
> >
> > I don't have a FR switch in between .. Just have a back to back stuff
> > ( connectivity fine ; disabled keepalive ) . Following are configs :
> >
> > ================= R1 =================
> > R1#sh run int s0/0/0
> > Building configuration...
> >
> > Current configuration : 104 bytes
> > !
> > interface Serial0/0/0
> >  no ip address
> >  encapsulation frame-relay
> >  no keepalive
> >  clock rate 125000
> > end
> > !
> >
> > R1#sh run int s0/0/0.13
> > Building configuration...
> >
> > Current configuration : 151 bytes
> > !
> > interface Serial0/0/0.13 point-to-point
> >  ip address 150.1.13.1 255.255.255.0
> >  snmp trap link-status
> >  mpls ip
> >  frame-relay interface-dlci 103
> > end
> >
> > ================ R3 ====================
> > R3(config)#do sh run int s0/0/0
> > Building configuration...
> >
> > Current configuration : 113 bytes
> > !
> > interface Serial0/0/0
> >  description " to FR cloud"
> >  no ip address
> >  encapsulation frame-relay
> >  no keepalive
> > end
> >
> > R3(config)#do sh run int s0/0/0.13
> > Building configuration...
> >
> > Current configuration : 151 bytes
> > !
> > interface Serial0/0/0.13 point-to-point
> >  ip address 150.1.13.3 255.255.255.0
> >  snmp trap link-status
> >  mpls ip
> >  frame-relay interface-dlci 103
> > end
> > ===========================================
> >
> > R3(config)#do p 150.1.13.1
> >
> > Type escape sequence to abort.
> > Sending 5, 100-byte ICMP Echos to 150.1.13.1, timeout is 2 seconds:
> > !!!!!
> > Success rate is 100 percent (5/5), round-trip min/avg/max = 12/14/16 ms
> > R3(config)#
> >
> >
> >
> > But problem is that I am not able to establish the LDP adj . I tried
> > HDLC encap .. with no luck ..
> > Something special which I am missing  ?
> >
> > Thnx
> > Gaurav Madan
> >
> >
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> >
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