Narendra, That's also a workaround and doesn't bring us to the root cause of the problem, which I repeat is not related to L2VPN in *any* way :-)
-- Marko Milivojevic - CCIE #18427 (SP R&S) Senior CCIE Instructor / Managing Partner - IPexpert On Wed, Sep 4, 2013 at 8:57 AM, Mills, Derek <[email protected] > wrote: > VLAN ID rewrite? > > > -----Original Message----- > From: [email protected] [mailto: > [email protected]] On Behalf Of Narendra Naukwal > Sent: Wednesday, September 04, 2013 12:20 AM > To: Marko Milivojevic; [email protected] > Cc: OSL Routing and Switching > Subject: Re: [OSL | CCIE_RS] WB3-Lab9-L2VPN Task > > I think the best thing forward is to match the VLAN Ids on both the PEs. > If the PE does not have STP enabled for that customer then customer BPDUs > will be tunneled. > > > Now if the BPDUs are being tunneled across the PW & the VLAN ID on both > the PEs do not match there are bound to be VLAN inconsistencies. > > Hope this helps. > > ________________________________ > From: Marko Milivojevic <[email protected]> > To: [email protected] > Cc: OSL Routing and Switching <[email protected]> > Sent: Wednesday, 4 September 2013 1:34 AM > Subject: Re: [OSL | CCIE_RS] WB3-Lab9-L2VPN Task > > > Sure, but that will open the network for the loops. > > Try to focus on what the problem is, not how to get rid of the symptom :-) > > -- > Marko Milivojevic - CCIE #18427 (SP R&S) Senior CCIE Instructor / Managing > Partner - IPexpert > > > On Tue, Sep 3, 2013 at 1:02 PM, <[email protected]> wrote: > > > ** > > There are other solution for example vlan filter, also L2 protocol > > tunnel which erase local bpdu processing. > > > > > > > > > > On Tue, Sep 3, 2013, at 09:57 PM, [email protected] wrote: > > > > I am thinking we filtering bpdu to stop bpdu from blocking > > inconsistent vlan,bpdu filtering is acceptable for me. > > > > What did you think? > > > > > > > > On Tue, Sep 3, 2013, at 08:17 PM, Marko Milivojevic wrote: > > > > You're getting close. > > > > > > Respond to the list, please, as it may be interesting for the others > > to see, as well. > > > > -- > > Marko Milivojevic - CCIE #18427 (SP R&S) Senior CCIE Instructor / > > Managing Partner - IPexpert > > > > > > On Tue, Sep 3, 2013 at 11:16 AM, <[email protected]> wrote: > > > > > > ** > > In fact I did not think it is related to l2vpn, althhough I do not > > know different vlan to VC however I am thinking is related config to > > port or mode spanning tree, I will check conifguration to end point > > port: if 802.1q to two side and native vlans, or model of stp EEE > > 802.1D and pvst+ > > > > > > On Tue, Sep 3, 2013, at 07:32 PM, Marko Milivojevic wrote: > > > > That is all very correct, but that's not the cause of the error. You > > *can* have different VLAN IDs on two ends of the VC, but then you need > > to make sure something else is done. Something that causes this problem. > > > > Btw. it's not related to L2VPNs :-) > > > > -- > > Marko Milivojevic - CCIE #18427 (SP R&S) Senior CCIE Instructor / > > Managing Partner - IPexpert > > > > > > On Tue, Sep 3, 2013 at 9:45 AM, <[email protected]> wrote: > > > > Point-to-Point L2 VPNs L2 connectivity to the attached, that make > > circuits of two separate sites connected across a packet network > > Furthemore It provide connectivity transparent without need L2 > > connection acrosss SP core > > > > In the speficic: > > > > The VC identifiers at each end must match, so that the connection is > > uniquely > > addressed and MTU settings for the interfaces would have the same > > > > In mpls the topmost label is the transport label for the > > other end's 1321P address and the second label identifies the remote > >AC > > > > Your error usually mean you receveid bpdu tagged with vlan id that > > does't match vlan id where bpdu was receveid > > In the meantime make sure native vlan is consistent on both ends of a > > 802.1Q trunk and your vtp switches setup like VTP mode and domain > >names > > > > I hope it help you. > > > > > > > > > > > > On Tue, Sep 3, 2013, at 06:00 PM, Marko Milivojevic wrote: > > > Without straight-out giving you an answer (tell me if you want > >that), > > > let's > > > try to understand the problem first… > > > > > > What do you think is causing this inconsistency? > > > > > > -- > > > Marko Milivojevic - CCIE #18427 (SP R&S) > > > Senior CCIE Instructor / Managing Partner - IPexpert > > > > > > > > > On Tue, Sep 3, 2013 at 8:36 AM, Saleh Batouq > ><[email protected]> > > > wrote: > > > > > > > WB3-Lab9 > > > > -------- > > > > Task: L2VPN > > > > ------ > > > > > > > > > > > > I am running this on GNS, I have the AToM properly configured and > > > > functional. > > > > > > > > BUT I get Inconsistency messege on Cat1 & Cat3 > > > > > > > > Any suggestion on over-riding this inconsistency? > > > > > > > > > > > > > > > > > > > > The following are the outputs of show commands: > > > > > > > > > > > > > > > > > > > > On R2 > > > > ----- > > > > > > > > R2#sh mpls l2transport vc > > > > > > > > Local intf Local circuit Dest address VC ID > > Status > > > > ------------- -------------------------- --------------- > >---------- > > > > ---------- > > > > Fa0/0.211 Eth VLAN 211 70.18.115.5 25 UP > > > > > > > > > > > > On R5 > > > > ------ > > > > > > > > R5#sh mpls l2transport vc > > > > > > > > Local intf Local circuit Dest address VC ID > > Status > > > > ------------- -------------------------- --------------- > >---------- > > > > ---------- > > > > Fa0/1.52 Eth VLAN 52 70.18.115.2 25 UP > > > > > > > > > > > > > > > > > > > > > > > > BUT I get Inconsistency messege on Cat1 & Cat3 > > > > -------------------------------------------------- > > > > > > > > > > > > On Cat1 > > > > ------- > > > > > > > > Cat1(config)# PVST+:Inconsistency timer expired. inconsistency 2 > > > > cleared for FastEthernet1/2 > > > > > > > > *Mar 1 01:44:56.119: %SPANTREE-2-RECV_PVID_ERR: Received BPDU > >with > > > > inconsistent peer vlan id 52 on FastEthernet1/2 VLAN211. > > > > *Mar 1 01:44:56.119: %SPANTREE-2-BLOCK_PVID_LOCAL: Blocking > > > > FastEthernet1/2 on VLAN211. Inconsistent local vlan. > > > > > > > > > > > > > > > > Cat1#sh spanning-tree inconsistentports > > > > > > > > Name Interface Inconsistency > > > > -------------------- -------------------- ------------------ > > > > VLAN211 FastEthernet1/2 Port VLAN ID Mismatch > > > > > > > > Number of inconsistent ports (segments) in the system : 1 > > > > > > > > On Cat3 > > > > ------- > > > > > > > > [OK] > > > > Cat3# > > > > *Mar 1 01:44:49.487: %SPANTREE-2-RECV_PVID_ERR: Received BPDU > >with > > > > inconsistent peer vlan id 211 on FastEthernet1/5 VLAN52. > > > > *Mar 1 01:44:49.487: %SPANTREE-2-BLOCK_PVID_LOCAL: Blocking > > > > FastEthernet1/5 on VLAN52. Inconsistent local vlan. > > > > > > > > > > > > Cat3#sh spanning-tree inconsistentports > > > > > > > > Name Interface Inconsistency > > > > -------------------- -------------------- ------------------ > > > > VLAN52 FastEthernet1/5 Port VLAN ID Mismatch > > > > > > > > Number of inconsistent ports (segments) in the system : 1 > > > > > > > > Best Regards, > > > > > > > > Saleh Hassan Batouq > > > > [email protected] > > > > _______________________________________________ > > > > For more information regarding industry leading CCIE Lab > >training, please > > > > visit www.ipexpert.com > > > > > > > > Are you a CCNP or CCIE and looking for a job? Check out > > > > www.PlatinumPlacement.com > > > > > > > > http://onlinestudylist.com/mailman/listinfo/ccie_rs > > > > > > > _______________________________________________ > > > For more information regarding industry leading CCIE Lab training, > >please > > > visit www.ipexpert.com > > > > > > Are you a CCNP or CCIE and looking for a job? 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