Will setting the vlans in question as native an acceptable in your opinion? This thread has been on for quite sometime now. Can you share with us your way of fixing the issue?
Best Regards, Saleh Hassan Batouq [email protected] Tel: +968 99365607 Fax: +968 2469690 P.O.Box:1083- Postal Code:112 Muscat-Sultanate Of Oman On Wed, Oct 2, 2013 at 12:52 AM, Marko Milivojevic <[email protected]>wrote: > Nope, my questions still remain unanswered :-) > > > On Tue, Oct 1, 2013 at 3:01 AM, Saleh Batouq <[email protected]>wrote: > >> Have we reached to a conclusion or a final fix for this issue. Marko, can >> you please simply tell us more. >> On Sep 4, 2013 1:08 AM, "Marko Milivojevic" <[email protected]> wrote: >> >>> Again, this is not related to AToM :-) >>> >>> >>> On Tue, Sep 3, 2013 at 1:14 PM, <[email protected]> wrote: >>> >>> > ** >>> >>> > The only thing I can think of problems connected to the STP with >>> > mismatching vlans in VLAN CONNECT MODE. >>> > If I am not mistake there are 2 kind of VC type: port-mode or >>> VLAN-mode >>> > for Ethernet L2VPNs. >>> > A PortMode will replicate all Ethernet frames received, including all >>> > tagged frames. >>> > Perhaps in port mode we have not the problem about mismatching vlan >>> > >>> > In VLAN-based mode we will have xconnect statement will be under a >>> > sub-interface >>> > with own encapsulation and VLAN number specified. >>> > This mode will just forward the own VLAN frames through pseudowire. >>> > >>> > However I think to replicate this problem. >>> > >>> > >>> > On Tue, Sep 3, 2013, at 10:04 PM, Marko Milivojevic wrote: >>> > >>> > 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? 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