ISIS over L2VPN Frame-Relay P2P

Guys,

any idea why ISIS adj is not forming over L2VPN frame-relay P2P, but CLNS adj is forming?? Its seems like each CE isn't receiving LAN IIH packets from other end.

 

Network:

* R3 - (R1 - R2) - R4, with R3 and R4 as CE1 and CE2

R1#show xconnect all

Legend:    XC ST=Xconnect State  S1=Segment1 State  S2=Segment2 State

  UP=Up       DN=Down            AD=Admin Down      IA=Inactive

  SB=Standby  HS=Hot Standby     RV=Recovering      NH=No Hardware

 

XC ST  Segment 1                         S1 Segment 2                         S2

------+---------------------------------+--+---------------------------------+--

UP     ac   Se2/0:341(FR DLCI)           UP mpls 2.0.0.1:341                  UP

UP     ac   Se2/0:342(FR DLCI)           UP mpls 2.0.0.1:342                  UP

R1#



R4#show clns neighbors


Tag null:


Tag 1:

System Id      Interface   SNPA                State  Holdtime  Type Protocol

0000.0000.0003 Se2/0.341   DLCI 341            Up     283       IS   ES-IS

0000.0000.0003 Se2/0.342   DLCI 342            Up     294       IS   ES-IS

R4#


R4#show isis neighbors


Tag null:


Tag 1:

System Id      Type Interface   IP Address      State Holdtime Circuit Id

R4#


R4#show run int Se2/0.341

Building configuration...


Current configuration : 155 bytes

!

interface Serial2/0.341 point-to-point

 ip address 10.0.34.4 255.255.255.0

 ip router isis 1

 clns router isis 1

 frame-relay interface-dlci 341

end



R3#show run int s2/0.341

Building configuration...


Current configuration : 135 bytes

!

interface Serial2/0.341 point-to-point

 ip address 10.0.34.3 255.255.255.0

 ip router isis 1

 clns router isis 1

 frame-relay interface-dlci 341

end


R3#




R4#ping 10.0.34.3


Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 10.0.34.3, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 300/325/404 ms

R4#


R4#debug isis adj-packets

IS-IS Adjacency related packets debugging is on, null, 1

R4#

*Dec 11 11:56:47.223: ISIS-Adj (1): Sending serial IIH on Serial2/0.341, length 1499

*Dec 11 11:56:47.835: ISIS-Adj (1): Sending L2 LAN IIH on Loopback0, length 1514

R4#



R4#conf t

Enter configuration commands, one per line.  End with CNTL/Z.

R4(config)#int Se2/0.341




R4(config-subif)#isis network point-to-point

                      ^

% Invalid input detected at '^' marker.


R4(config-subif)#


! Same on R4


R3#show version | i IOS

Cisco IOS Software, 7200 Software (C7200-ADVENTERPRISEK9-M), Version 12.2(33)SRE7, RELEASE SOFTWARE (fc1)

R3#



R4#show clns interface s2/0.341

Serial2/0.341 is up, line protocol is up

  Checksums enabled, MTU 1500, Encapsulation FRAME-RELAY

  ERPDUs enabled, min. interval 10 msec.

  CLNS fast switching enabled

  CLNS SSE switching disabled

  DEC compatibility mode OFF for this interface

  Next ESH/ISH in 15 seconds

  Routing Protocol: IS-IS

    Circuit Type: level-1-2

    Interface number 0x1, local circuit ID 0x101

    Level-1 Metric: 10, Priority: 64, Circuit ID: R4.01

    Level-1 IPv6 Metric: 10

    Number of active level-1 adjacencies: 0

    Level-2 Metric: 10, Priority: 64, Circuit ID: R4.01

    Level-2 IPv6 Metric: 10

    Number of active level-2 adjacencies: 0

    Next IS-IS Hello in 5 seconds

    if state DOWN

R4#







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