ISIS Issue between XR and IOS

Hi,

I am trying to run isis between IOS-XRV 5.3.2 and Cisco 7600 Series, Both
are emulated
version for FYI.

ospf appears to form fine, and IOS-TO-IOS ISIS is also fine, I am unable to
relate
why XR-IOS isis-adj is not coming up.

!
router isis 1
 net 49.0001.0000.0000.0006.00
 is-type level-2-only
!

R6#
R6#show runn int fa0/0.620
Building configuration...

Current configuration : 182 bytes
!
interface FastEthernet0/0.620
 encapsulation dot1Q 620
 ip address 20.6.20.6 255.255.255.0
 ip router isis 1
 mpls ip
 mpls label protocol ldp
 isis circuit-type level-2-only
end

*Jun 7 08:21:11.159: ISIS-Adj: Sending L2 LAN IIH on FastEthernet0/0.620,
length 1497
R6#
*Jun 7 08:21:16.019: ISIS-Adj: Rec L2 IIH from 000c.293b.1023
(FastEthernet0/0.620), cir type L2, cir id 0000.0000.0020.01, length 1497
R6#

on XR

RP/0/0/CPU0:XR2#
RP/0/0/CPU0:XR2#show runn router isis
Sat Jun 7 08:22:26.395 UTC
router isis 1
 is-type level-2-only
 net 49.0001.0000.0000.0020.00
 interface Loopback0
  passive
  address-family ipv4 unicast
  !
 !
 interface GigabitEthernet0/0/0/0.620
  circuit-type level-2-only
  address-family ipv4 unicast
  !
 !
!

RP/0/0/CPU0:XR2#show runn int gig0/0/0/0.620
Sat Jun 7 08:22:38.025 UTC
interface GigabitEthernet0/0/0/0.620
 ipv4 address 20.6.20.20 255.255.255.0
 encapsulation dot1q 620
!

RP/0/0/CPU0:XR2#
RP/0/0/CPU0:XR2#show isis int gig0/0/0/0.620
Sat Jun 7 08:22:52.124 UTC

GigabitEthernet0/0/0/0.620 Enabled
  Adjacency Formation: Enabled
  Prefix Advertisement: Enabled
  IPv4 BFD: Disabled
  IPv6 BFD: Disabled
  BFD Min Interval: 150
  BFD Multiplier: 3

  Circuit Type: level-2-only
  Media Type: LAN
  Circuit Number: 1

  Level-2
    Adjacency Count: 0
    LAN ID: XR2.01
    Priority (Local/DIS): 64/none (no DIS elected)
    Next LAN IIH in: 6 s
    LSP Pacing Interval: 33 ms
    PSNP Entry Queue Size: 0

  CLNS I/O
    Protocol State: Up
    MTU: 1497
    SNPA: 000c.293b.1023
    Layer-2 MCast Groups Membership:
      All Level-2 ISs: Yes

  IPv4 Unicast Topology: Enabled
    Adjacency Formation: Running
    Prefix Advertisement: Running
    Metric (L1/L2): 0/10
    Weight (L1/L2): 0/0
    MPLS LDP Sync (L1/L2): Disabled/Disabled

  IPv4 Address Family: Enabled
    Protocol State: Up
    Forwarding Address(es): 20.6.20.20
    Global Prefix(es): 20.6.20.0/24

  LSP transmit timer expires in 0 ms
  LSP transmission is idle
  Can send up to 10 back-to-back LSPs in the next 0 ms

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Received on Sat Jun 07 2014 - 08:23:19 ART