Re: ISIS over FR-FR L2VPN

Use ptp subinterfaces on your CEs. It should work.

Your boxes are sending LAN IIH hellos. They need to be serial IIH hellos. I think that's why it's not working.

I will try to test it asap.

Emmanuel

....from my iPhone!

On 28 Nov 2010, at 06:17, Andrew K Yule <akyccie1_at_gmail.com> wrote:

> Hi Scott and Haroon
>
> No luck even after changing the MTU size to 1600. I have tried to disable
> cnsp interval and hello padding but still not luck. I am not getting any
> option on Serial interface to set the network type whereas I can set the
> same on ethernet.
>
>
> CE1#sh clns int s1/0
> Serial1/0 is up, line protocol is up
> Checksums enabled, MTU 1600, Encapsulation FRAME-RELAY
> ERPDUs enabled, min. interval 10 msec.
> RDPDUs enabled, min. interval 100 msec., Addr Mask enabled
> Congestion Experienced bit set at 4 packets
> CLNS fast switching disabled
> CLNS SSE switching disabled
> DEC compatibility mode OFF for this interface
> Next ESH/ISH in 52 seconds
> Routing Protocol: IS-IS
> Circuit Type: level-1-2
> Interface number 0x0, local circuit ID 0x1
> Level-2 Metric: 10, Priority: 64, Circuit ID: CE1.01
> DR ID: 0000.0000.0000.00
> Level-2 IPv6 Metric: 10
> Number of active level-2 adjacencies: 0
> Next IS-IS LAN Level-2 Hello in 191 milliseconds
> No hello padding
>
> CE2#sh clns int s1/0
> Serial1/0 is up, line protocol is up
> Checksums enabled, MTU 1600, Encapsulation FRAME-RELAY
> ERPDUs enabled, min. interval 10 msec.
> RDPDUs enabled, min. interval 100 msec., Addr Mask enabled
> Congestion Experienced bit set at 4 packets
> CLNS fast switching enabled
> CLNS SSE switching disabled
> DEC compatibility mode OFF for this interface
> Next ESH/ISH in 22 seconds
> Routing Protocol: IS-IS
> Circuit Type: level-1-2
> Interface number 0x0, local circuit ID 0x1
> Level-2 Metric: 10, Priority: 64, Circuit ID: CE2.01
> DR ID: 0000.0000.0000.00
> Level-2 IPv6 Metric: 10
> Number of active level-2 adjacencies: 0
> Next IS-IS LAN Level-2 Hello in 9 seconds
> No hello padding
> R4#
>
>
> CE1#sh clns neighbors
>
> CE1#
>
> CE1(config)#int s1/0
> CE1(config-if)#isis net?
> % Unrecognized command
>
>
> CE1(config)#in fa0/1
> CE1(config-if)#isis network ?
> point-to-point Specify ISIS point-to-point network
>
>
> -Andrew
>
>
> On Sun, Nov 28, 2010 at 1:03 AM, Tyson Scott <tscott_at_ipexpert.com> wrote:
>
>> When IS-IS first forms a neighbor relationship it PAD's the first packet
>> with the size of the full MTU. I don't see anything you have done to
>> change
>> the MTU of the path but what happens when you add two MPLS headers one for
>> MPLS + one for L2VPN, is MTU still 1500? Try to think of the different
>> things you can do to affect MTU on the path, to either increase it or
>> decrease at the edge.
>>
>> Regards,
>>
>> Tyson Scott - CCIE #13513 R&S, Security, and SP
>> Managing Partner / Sr. Instructor - IPexpert, Inc.
>> Mailto: tscott_at_ipexpert.com
>>
>>
>> -----Original Message-----
>> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
>> Andrew K Yule
>> Sent: Saturday, November 27, 2010 2:25 PM
>> To: ccielab_at_groupstudy.com
>> Subject: ISIS over FR-FR L2VPN
>>
>> I have setup a FR to FR layer 2 VPN (l2tpv3).
>>
>> CE1----fr---PE1--------PE2----fr----CE2
>>
>> L2TP tunnel is showing up on both the PE routers. I am able to ping remote
>> interface from both the CE routers as well. MPLS Neighborship is also
>> getting established between CE1 and CE2. I have tired configuring OSPF and
>> OSPF neighborship comes up with out any issue.
>>
>> But when I try to configure ISIS on CE1 and CE2 it's not working.
>> neighborship is not coming up at all. pls find below the config of both the
>> CE router. Am I missing something here for ISIS config ???? . There is not
>> mismatch of interface type. I can't make out with anything in debug as well
>>
>> --------
>> CE1
>> ---------
>> !
>> clns routing
>> !
>> interface Serial1/0
>> ip address 10.1.1.1 255.255.255.0
>> ip router isis
>> encapsulation frame-relay
>> mpls ip
>> serial restart-delay 0
>> no arp frame-relay
>> frame-relay map clns 101 broadcast
>> frame-relay map ip 10.1.1.2 101 broadcast
>> no frame-relay inverse-arp
>> clns router isis
>> no clns route-cache
>> !
>> router isis
>> net 49.0001.0000.0000.0001.00
>>
>>
>> --------
>> CE2
>> ---------
>>
>> clns routing
>> !
>> interface Serial1/0
>> ip address 10.1.1.2 255.255.255.0
>> ip router isis
>> encapsulation frame-relay
>> mpls ip
>> serial restart-delay 0
>> no arp frame-relay
>> frame-relay map clns 201 broadcast
>> frame-relay map ip 10.1.1.1 201 broadcast
>> no frame-relay inverse-arp
>> clns router isis
>> no clns route-cache
>> !
>> router isis
>> net 49.0001.0000.0000.0002.00
>>
>> CE1#sh clns int s1/0
>> Serial1/0 is up, line protocol is up
>> Checksums enabled, MTU 1500, Encapsulation FRAME-RELAY
>> ERPDUs enabled, min. interval 10 msec.
>> RDPDUs enabled, min. interval 100 msec., Addr Mask enabled
>> Congestion Experienced bit set at 4 packets
>> CLNS fast switching disabled
>> CLNS SSE switching disabled
>> DEC compatibility mode OFF for this interface
>> Next ESH/ISH in 24 seconds
>> Routing Protocol: IS-IS
>> Circuit Type: level-1-2
>> Interface number 0x0, local circuit ID 0x1
>> Level-1 Metric: 10, Priority: 64, Circuit ID: CE1.01
>> DR ID: 0000.0000.0000.00
>> Level-1 IPv6 Metric: 10
>> Number of active level-1 adjacencies: 0
>> Level-2 Metric: 10, Priority: 64, Circuit ID: CE1.01
>> DR ID: 0000.0000.0000.00
>> Level-2 IPv6 Metric: 10
>> Number of active level-2 adjacencies: 0
>> Next IS-IS LAN Level-1 Hello in 7 seconds
>> Next IS-IS LAN Level-2 Hello in 5 seconds
>>
>> CE2#sh clns int s1/0
>> Serial1/0 is up, line protocol is up
>> Checksums enabled, MTU 1500, Encapsulation FRAME-RELAY
>> ERPDUs enabled, min. interval 10 msec.
>> RDPDUs enabled, min. interval 100 msec., Addr Mask enabled
>> Congestion Experienced bit set at 4 packets
>> CLNS fast switching enabled
>> CLNS SSE switching disabled
>> DEC compatibility mode OFF for this interface
>> Next ESH/ISH in 31 seconds
>> Routing Protocol: IS-IS
>> Circuit Type: level-1-2
>> Interface number 0x0, local circuit ID 0x1
>> Level-1 Metric: 10, Priority: 64, Circuit ID: CE2.01
>> DR ID: 0000.0000.0000.00
>> Level-1 IPv6 Metric: 10
>> Number of active level-1 adjacencies: 0
>> Level-2 Metric: 10, Priority: 64, Circuit ID: CE2.01
>> DR ID: 0000.0000.0000.00
>> Level-2 IPv6 Metric: 10
>> Number of active level-2 adjacencies: 0
>> Next IS-IS LAN Level-1 Hello in 2 seconds
>> Next IS-IS LAN Level-2 Hello in 1 seconds
>>
>>
>> R4#sh debug
>> CLNS:
>> IS-IS Adjacency related packets debugging is on
>>
>> Debug msg
>> *Mar 1 01:07:37.327: ISIS-Adj: Sending L1 LAN IIH on Serial1/0, length
>> 1500
>> *Mar 1 01:07:40.815: ISIS-Adj: Sending L2 LAN IIH on Serial1/0, length
>> 1500
>> *Mar 1 01:07:47.243: ISIS-Adj: Sending L1 LAN IIH on Serial1/0, length
>> 1500
>> *Mar 1 01:07:50.627: ISIS-Adj: Sending L2 LAN IIH on Serial1/0, length
>> 1500
>> *Mar 1 01:07:56.075: ISIS-Adj: Sending L1 LAN IIH on Serial1/0, length
>> 1500
>> *Mar 1 01:07:59.483: ISIS-Adj: Sending L2 LAN IIH on Serial1/0, length
>> 1500
>> *Mar 1 01:08:04.163: ISIS-Adj: Sending L1 LAN IIH on Serial1/0, length
>> 1500
>> *Mar 1 01:08:08.603: ISIS-Adj: Sending L2 LAN IIH on Serial1/0, length
>> 1500
>> *Mar 1 01:08:13.211: ISIS-Adj: Sending L1 LAN IIH on Serial1/0, length
>> 1500
>> *Mar 1 01:08:17.811: ISIS-Adj: Sending L2 LAN IIH on Serial1/0, length
>> 1500
>> *Mar 1 01:08:22.663: ISIS-Adj: Sending L1 LAN IIH on Serial1/0, length
>> 1500
>> *Mar 1 01:08:25.735: ISIS-Adj: Sending L2 LAN IIH on Serial1/0, length
>> 1500
>> *Mar 1 01:08:32.363: ISIS-Adj: Sending L1 LAN IIH on Serial1/0, length
>> 1500
>> *Mar 1 01:08:33.715: ISIS-Adj: Sending L2 LAN IIH on Serial1/0, length
>> 1500
>> *Mar 1 01:06:03.955: ISIS-Adj: Sending L1 LAN IIH on Serial1/0, length
>> 1500
>> *Mar 1 01:06:04.451: ISIS-Adj: Sending L2 LAN IIH on Serial1/0, length
>> 1500
>>
>>
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Received on Sun Nov 28 2010 - 10:57:07 ART