[c-nsp] BGP Signalled VPLS

[Aaron]

Thanks Adam, bgp neighbors were up last friday when i was doing this.  but
since then i learned a few things...one thing was missing was I must have
this on the neighbor statements in order to run rfc4761...

 

(under the l2vpn address family)

...ios...

neighbor 10.10.10.1 suppress-signaling-protocol ldp

...ios xr...

Signalling ldp disable

 

http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bgp/configuration/x
e-3s/irg-xe-3s-book/irg-vpls-bgp-sig.html

 

also i learned this about vpls rd's...Note: In the Cisco IOS and Cisco NX-OS
software implementation, all the PE routers must have the same RD within the
same VPLS domain.

 

http://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/virtual-private
-lan-services-vpls/116121-tech-vpls-bgp-00.html

 

...i've changed my configs a bit since friday... i'm testing a (3) site
scenario, each site single homed, then later I'll try to backdoor connect
site 2 and 3 with a layer 2 connection and cause a bad loop across what was
site 2 and 3 then i'll try to fix it with the same ve-id trick spoken of in
rfc4761 section 3.5 (Multi-homing and Path Selection)

 

http://tools.ietf.org/html/rfc4761#section-3.5

 

Aaron

 

p.s. does anyone know if the bgp graceful-restart is really necessary ?  if
so, why?

 

 

From: Vitkovský Adam [mailto:adam.vitkovsky at swan.sk] 
Sent: Monday, April 28, 2014 2:37 AM
To: Aaron; 'Waris Sagheer (waris)'; 'Nick Ryce'; cisco-nsp at puck.nether.net;
'Bruce Pinsky'; 'Caillin Bathern'; 'Damian Higgins'; 'Mohammad Khalil';
'Daniel Hooper'
Subject: RE: [c-nsp] BGP Signalled VPLS

 

Hi Aaron,

Do you see them talking bgp please? 

show ip bgp l2vpn vpls all

 

The config looks good. 

 

 

adam

 

From: Aaron [mailto:aaron1 at gvtc.com] 
Sent: Friday, April 25, 2014 8:14 PM
To: 'Waris Sagheer (waris)'; 'Nick Ryce'; cisco-nsp at puck.nether.net; 'Bruce
Pinsky'; 'Caillin Bathern'; Vitkovský Adam; 'Damian Higgins'; 'Mohammad
Khalil'; 'Daniel Hooper'
Subject: RE: [c-nsp] BGP Signalled VPLS

 

Hi all, what am I missing to get RFC4761 to work between these (2) me3600's
?  (vpls w/bgp ad and w/bgp sig).  15.3(2)S2 on both me’s.

 

in short, i have the following on them...

 

*** 3600-1 ***

 

eng-lab-3600-1#sh run | sec l2vpn vfi context v45

l2vpn vfi context v45

vpn id 45

autodiscovery bgp signaling bgp

  ve id 1

  ve range 11

  rd 64512:451

  route-target export 64512:45

  route-target import 64512:45

 

*** 3600-2 ***

 

eng-lab-3600-2#sh run | sec l2vpn vfi context v45

l2vpn vfi context v45

vpn id 45

autodiscovery bgp signaling bgp

  ve id 2

  ve range 11

  rd 64512:452

  route-target export 64512:45

  route-target import 64512:45

 

----------------------------------------------------------------------------
--

eng-lab-3600-1#sh l2vpn vfi name v45

Legend: RT=Route-target, S=Split-horizon, Y=Yes, N=No

 

VFI name: v45, state: up, type: multipoint, signaling: BGP

  VPN ID: 45, VE-ID: 1, VE-SIZE: 11

  RD: 64512:451, RT: 64512:45, 64512:45

  Bridge-Domain 45 attachment circuits:

    Vlan45

  Pseudo-port interface: pseudowire100020

  Interface          Peer Address    VE-ID  Local Label  Remote Label    S

---------------------------------------------------------------------------

eng-lab-3600-2#sh l2vpn vfi name v45

Legend: RT=Route-target, S=Split-horizon, Y=Yes, N=No

 

VFI name: v45, state: up, type: multipoint, signaling: BGP

  VPN ID: 45, VE-ID: 2, VE-SIZE: 11

  RD: 64512:452, RT: 64512:45, 64512:45

  Bridge-Domain 45 attachment circuits:

    Vlan45

  Pseudo-port interface: pseudowire100015

  Interface          Peer Address    VE-ID  Local Label  Remote Label    S