Re: [opencontrail-dev] Contrail EVPN VXLAN on Cisco ASR9006

Mon, 01 Aug 2016 14:29:33 -0700 

Antonio,
yes, we have VXLAN encapsulation priority and Indetifier Mode is User Configured. 

It is floating ip pool with VNI 64512 and Route Target 64512:64512

Jakub

On 1.8.2016 23:25, Antonio Sanchez-Monge wrote:


Hi Jakub,


I guess under “Configure > Infrastructure > Global Config > Forwarding 
Options > Encapsulation Priority Order” you have VXLAN on top, right? 
In that case I think MPLS label 0 is normal but Ethernet Tag should be 
different from zero, and it is zero.


What is VxLAN Identifier Mode set to?

How is the VN configured? What VNI does it have?

Cheers,
Ato

*From: *Jakub Pavlik <[email protected]>
*Date: *Monday, 1 August 2016 at 23:09

*To: *Antonio Sanchez-Monge <[email protected]>, 
"[email protected]" <[email protected]>
*Cc: *Marek Čeloud <[email protected]>, Lichner Ivan 
<[email protected]>

*Subject: *Re: [opencontrail-dev] Contrail EVPN VXLAN on Cisco ASR9006

Hi Antonio,

thanks for quick reply! I will try to do change type.

It is Contrail 3.0.2 (3 weeks old build).

Thanks a lot!

Jakub

On 1.8.2016 23:06, Antonio Sanchez-Monge wrote:

    Hi Jakub,

    Cisco is sending Type 5 (IP Prefix) EVPN routes that we don’t
    support. Do you know if there is any way to configure IOS XR so it
    does generate IP/MAC (Type 2) EVPN routes instead?

    As for the MPLS Label Stack set to 0 by Contrail, what version are
    you running?

    Cheers,


    Ato

    *From: *Dev <[email protected]>
    <mailto:[email protected]> on behalf of Jakub
    Pavlik <[email protected]> <mailto:[email protected]>
    *Date: *Monday, 1 August 2016 at 22:44
    *To: *"[email protected]"
    <mailto:[email protected]> <[email protected]>
    <mailto:[email protected]>
    *Cc: *Marek Čeloud <[email protected]>
    <mailto:[email protected]>, Lichner Ivan
    <[email protected]> <mailto:[email protected]>
    *Subject: *Re: [opencontrail-dev] Contrail EVPN VXLAN on Cisco ASR9006

    There is also log from Cisco box:

    RP/0/RSP0/CPU0:Aug  2 20:36:49.681 : bgp[1058]: [default-rtr]:
    UPDATE from 10.171.20.72 contains nh 10.171.20.30/32, gw_afi 0,
    flags 0x0, nlri_afi 14

    RP/0/RSP0/CPU0:Aug  2 20:36:49.681 : bgp[1058]: [default-rtr]:
    NH-Validate-Create: addr=10.171.20.30/32, len=4, nlriafi=14,
    nbr=10.171.20.72, gwafi=0,

    gwlen=4, gwaddrlen=32::: nhout=0x10a52970, validity=1,
    attrwdrflags=0x00000000

    RP/0/RSP0/CPU0:Aug  2 20:36:49.681 : bgp[1058]: [default-rtr]:
    --bgp4_rcv_attributes--: END: nbr=10.171.20.72::
    msg=0x10043cc0/138, updlen=119, attrbl

    =0x10043cd7/115, ipv4reachlen=0, msginpath=0x3df0ba0,
    asloopcheck=1, attrwdrfl=0x00000000:: samecluster=0,
    local_as_prepended=0, attr_wdr_flags 0x0000

    0000, myascount=0:: rcvdata=0x10043d4a/0, errptr=0x10043d16/52

    RP/0/RSP0/CPU0:Aug  2 20:36:49.681 : bgp[1058]: [default-rtr]
    (l2evpn): Received UPDATE from 10.171.20.72 with attributes:

    RP/0/RSP0/CPU0:Aug  2 20:36:49.681 : bgp[1058]: [default-rtr]
    (l2evpn): nexthop 10.171.20.30/32, origin ?, localpref 200, metric
    100, originator 10.17

    1.20.30, extended community Encapsulation Type:8
    0x8071:0xfc:0x00:0x00:0x00:0x00:0x04 RT:64512:64512 RT:64512:8000004

    RP/0/RSP0/CPU0:Aug  2 20:36:49.681 : bgp[1058]: [default-rtr]
    (l2evpn): Received prefix
    v4Addr:10.171.20.30:2:[2][0][48][02b2.de4a.7e30][32][10.167.0.

    4]/136 (path ID: none) with MPLS label 0 from neighbor 10.171.20.72

    RP/0/RSP0/CPU0:Aug  2 20:36:49.681 : bgp[1058]: [default-rtr]
    (l2evpn): Prefix
    v4Addr:10.171.20.30:2:[2][0][48][02b2.de4a.7e30][32][10.167.0.4]/136
    (p

    ath ID: none) received from 10.171.20.72 DENIED RT extended
    community is not imported locally


    On 1.8.2016 22:39, Jakub Pavlik wrote:

        Hello all,

        does anybody tested Contrail 3.X with Cisco ASR9006 IOS XR
        Software, Version 5.3.3 with EVPN VxLAN?

        We are trying to run EVPN. BGP peering is established, but
        there is mismatch in BGP update messages. We are getting this
        from contrail controller:



        2016-08-01 Mon 16:45:35:074.937 CEST  ntw01 [Thread
        140320977651456, Pid 8325]: BGP [SYS_WARN]: BgpPeerMessageLog:
        BGP Peer default-domain:default-pro

        
ject:ip-fabric:__default__:ntw01:default-domain:default-project:ip-fabric:__default__:ASR9006-1
        RECV MP NLRI parse error for e-vpn route controller/sr

        c/bgp/bgp_peer.cc 1178



        I attached also captured tcpdump files with update messages
        from contrail to cisco (*contrail*) and from cisco to contrail
        *(cisco*).

        Thanks,

        Jakub




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    -- 


    Jakub Pavlik

    CTO


      


    [tcp◕  cloud]


      


    +420 602 177 027

    [email protected] <mailto:[email protected]>


      


    tcp cloud a.s.

    Thamova 16

    186 00 Praha 8 - Karlin

    Czech republic

    http://tcpcloud.eu

    http://opentcpcloud.org



--
Jakub Pavlik
CTO
[tcp◕  cloud]
+420 602 177 027
[email protected] <mailto:[email protected]>
tcp cloud a.s.
Thamova 16
186 00 Praha 8 - Karlin
Czech republic
http://tcpcloud.eu
http://opentcpcloud.org


--
Jakub Pavlik
CTO

[tcp ◕ cloud]

+420 602 177 027
[email protected]

tcp cloud a.s.
Thamova 16
186 00 Praha 8 - Karlin
Czech republic
http://tcpcloud.eu
http://opentcpcloud.org


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