Re: ISIS over FR-FR L2VPN

Hi Andrew,

Can you post the related PE configs for troubleshooting?

Might be issue is there.

*Thanks & Regards,

Vivek Vidhate.*

On Sun, Nov 28, 2010 at 8:41 PM, Andrew K Yule <akyccie1_at_gmail.com> wrote:

> nope, I tired with PTP as well, clns neighbor not coming up. Pls below the
> debug msg I am getting with PTP
>
> *Mar 1 00:11:00.231: ISIS-Adj: Sending L2 LAN IIH on Loopback0, length
> 1514
> *Mar 1 00:11:02.087: ISIS-Adj: Sending L1 LAN IIH on Loopback0, length
> 1514
> *Mar 1 00:11:08.087: ISIS-Adj: Sending serial IIH on Serial1/0.1, length
> 1559
> *Mar 1 00:11:08.919: ISIS-Adj: Sending L2 LAN IIH on Loopback0, length
> 1514
> *Mar 1 00:11:11.143: ISIS-Adj: Sending L1 LAN IIH on Loopback0, length
> 1514
> *Mar 1 00:11:17.459: ISIS-Adj: Sending L2 LAN IIH on Loopback0, length
> 1514
> *Mar 1 00:11:17.819: ISIS-Adj: Sending serial IIH on Serial1/0.1, length
> 1559
>
> CE1#sh clns int s1/0.1
> Serial1/0.1 is up, line protocol is up
> Checksums enabled, MTU 1560, 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 42 seconds
> Routing Protocol: IS-IS
> Circuit Type: level-1-2
> Interface number 0x1, local circuit ID 0x100
> Level-1 Metric: 10, Priority: 64, Circuit ID: CE1.00
> Level-1 IPv6 Metric: 10
> Number of active level-1 adjacencies: 0
> Level-2 Metric: 10, Priority: 64, Circuit ID: CE1.00
> Level-2 IPv6 Metric: 10
> Number of active level-2 adjacencies: 0
> Next IS-IS Hello in 970 milliseconds
>
>
> CE2#sh clns int s1/0.1
>
> Serial1/0.1 is up, line protocol is up
> Checksums enabled, MTU 1560, 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 12 seconds
> Routing Protocol: IS-IS
> Circuit Type: level-1-2
> Interface number 0x1, local circuit ID 0x100
> Level-1 Metric: 10, Priority: 64, Circuit ID: CE2.00
> Level-1 IPv6 Metric: 10
> Number of active level-1 adjacencies: 0
> Level-2 Metric: 10, Priority: 64, Circuit ID: CE2.00
> Level-2 IPv6 Metric: 10
> Number of active level-2 adjacencies: 0
> Next IS-IS Hello in 6 seconds
>
>
> On Sun, Nov 28, 2010 at 4:27 PM, Emmanuel Aramide <earamide_at_gmail.com
> >wrote:
>
> > 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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