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]
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