[c-nsp] BGP Signalled VPLS
Waris Sagheer (waris)
waris at cisco.com
Sun Apr 21 23:10:04 EDT 2013
All PEs within a given VPLS are assigned a unique VPLS Edge device ID (VE ID).
Nick is right about BGP NLRI,
VPLS BGP NLRI (RFC 4761)
AFI = 25 (L2VPN)
SAFI = 65 (VPLS)
VE ID
VE Block Offset (VBO)
VE Block Size (VBS)
Label Base (LB)
Best Regards,
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From: Nick Ryce <nick at fluency.net.uk<mailto:nick at fluency.net.uk>>
Date: Tuesday, April 16, 2013 7:52 AM
To: "aaron1 at gvtc.com<mailto:aaron1 at gvtc.com>" <aaron1 at gvtc.com<mailto:aaron1 at gvtc.com>>, "cisco-nsp at puck.nether.net<mailto:cisco-nsp at puck.nether.net>" <cisco-nsp at puck.nether.net<mailto:cisco-nsp at puck.nether.net>>
Subject: Re: [c-nsp] BGP Signalled VPLS
Its part for the BGP L2VPN NLRI as far as I'm aware.
--
Nick Ryce
Fluency Communications Ltd.
e. nick at fluency.net.uk<mailto:nick at fluency.net.uk>
w. http://fluency.net.uk/
t. 0845 874 7000
On 16/04/2013 15:50, "Aaron" <aaron1 at gvtc.com<mailto:aaron1 at gvtc.com>> wrote:
Anyone know what and why to use this "ve" stuff? I didn't use it during
my
vpls (ios-ioxr) trial run in my network and never understood what it was
for...
ve id 1
ve range 11
Aaron
-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
Nick
Ryce
Sent: Tuesday, April 16, 2013 7:41 AM
To: Nick Ryce; cisco-nsp at puck.nether.net<mailto:cisco-nsp at puck.nether.net>
Subject: Re: [c-nsp] BGP Signalled VPLS
Apologies the attachment has went through.
ASCII art as below
PE1-------PE2--------PE3
PE1 and PE3 are ME3600's and PE2 is a Juniper SRX.
>From PE2 labels are being pushed/popped correctly.
Nick
On 16/04/2013 13:37, "Nick Ryce" <nick at fluency.net.uk<mailto:nick at fluency.net.uk>> wrote:
Hi,
I have 2 x ME3600x running me360x-universalk9-mz.153-2.S and am looking
to use the new VPLS BGP signalling functionality.
I am using RSVP with the topology attached but I cannot get traffic to
pass. Any ideas?
Configs as below.
Any help with debug commands would also be greatly appreciated.
hostname PE1
!
!
!
no aaa new-model
ip routing
!
!
!
!
ip name-server 8.8.8.8
!
!
mpls traffic-eng tunnels
l2vpn vfi context lab
vpn id 512
autodiscovery bgp signaling bgp
ve id 1
ve range 11
rd 172.16.1.1:512
route-target export 56595:512
route-target import 56595:512
!
vlan 512
name lab
!
l2 router-id 172.16.1.1
!
!
!
interface Loopback0
ip address 172.16.1.1 255.255.255.255
ip ospf 1 area 0.0.0.0
!
interface Tunnel0
description PE1-to-PE2
ip unnumbered Loopback0
tunnel mode mpls traffic-eng
tunnel destination 172.16.2.2
tunnel mpls traffic-eng priority 1 1
tunnel mpls traffic-eng path-option 1 dynamic !
interface Tunnel1
description PE1-toPE3
ip unnumbered Loopback0
tunnel mode mpls traffic-eng
tunnel destination 172.16.3.3
tunnel mpls traffic-eng priority 1 1
tunnel mpls traffic-eng path-option 1 dynamic !
interface GigabitEthernet0/1
no switchport
ip address 10.0.0.1 255.255.255.252
mpls traffic-eng tunnels
ip rsvp bandwidth percent 100
!
interface GigabitEthernet0/2
switchport access vlan 512
!
router ospf 1
router-id 172.16.1.1
network 10.0.0.0 0.0.0.3 area 0.0.0.0
mpls traffic-eng router-id Loopback0
mpls traffic-eng area 0.0.0.0
!
router bgp 56595
bgp log-neighbor-changes
bgp graceful-restart restart-time 120
bgp graceful-restart stalepath-time 360 bgp graceful-restart no bgp
default ipv4-unicast neighbor 172.16.2.2 remote-as 56595 neighbor
172.16.2.2 update-source Loopback0 neighbor 172.16.3.3 remote-as 56595
neighbor 172.16.3.3 update-source Loopback0 !
address-family ipv4
neighbor 172.16.2.2 activate
neighbor 172.16.2.2 send-community extended
neighbor 172.16.3.3 activate
neighbor 172.16.3.3 send-community extended exit-address-family !
address-family vpnv4
neighbor 172.16.2.2 activate
neighbor 172.16.2.2 send-community extended
neighbor 172.16.3.3 activate
neighbor 172.16.3.3 send-community extended exit-address-family !
address-family l2vpn vpls
neighbor 172.16.2.2 activate
neighbor 172.16.2.2 send-community extended
neighbor 172.16.2.2 prefix-length-size 2
neighbor 172.16.2.2 suppress-signaling-protocol ldp
neighbor 172.16.3.3 activate
neighbor 172.16.3.3 send-community extended
neighbor 172.16.3.3 suppress-signaling-protocol ldp
exit-address-family
hostname PE3
!
!
!
no aaa new-model
ip routing
!
!
!
!
ip name-server 8.8.8.8
ipv6 multicast rpf use-bgp
!
!
mpls traffic-eng tunnels
l2vpn vfi context lab
vpn id 512
autodiscovery bgp signaling bgp
ve id 3
ve range 11
rd 172.16.3.3:512
route-target export 56595:512
route-target import 56595:512
vlan 512
name test
!
!
!
!
interface Loopback0
ip address 172.16.3.3 255.255.255.255
ip ospf 1 area 0.0.0.0
!
interface Tunnel0
description PE3-to-PE2
ip unnumbered Loopback0
tunnel mode mpls traffic-eng
tunnel destination 172.16.2.2
tunnel mpls traffic-eng priority 1 1
tunnel mpls traffic-eng path-option 1 dynamic !
interface Tunnel1
description PE3-to-PE1
ip unnumbered Loopback0
tunnel mode mpls traffic-eng
tunnel destination 172.16.1.1
tunnel mpls traffic-eng priority 1 1
tunnel mpls traffic-eng path-option 1 dynamic !
interface GigabitEthernet0
ip address 46.226.1.178 255.255.255.248 speed auto duplex auto
negotiation auto !
interface GigabitEthernet0/1
no switchport
ip address 10.0.0.6 255.255.255.252
mpls traffic-eng tunnels
ip rsvp bandwidth percent 100
!
interface GigabitEthernet0/2
switchport access vlan 512
!
interface Vlan512
no ip address
member vfi lab
!
router ospf 1
router-id 172.16.3.3
network 10.0.0.4 0.0.0.3 area 0.0.0.0
mpls traffic-eng router-id Loopback0
mpls traffic-eng area 0.0.0.0
!
router bgp 56595
bgp log-neighbor-changes
bgp graceful-restart restart-time 120
bgp graceful-restart stalepath-time 360 bgp graceful-restart no bgp
default ipv4-unicast neighbor 172.16.1.1 remote-as 56595 neighbor
172.16.1.1 update-source Loopback0 neighbor 172.16.2.2 remote-as 56595
neighbor 172.16.2.2 update-source Loopback0 !
address-family ipv4
neighbor 172.16.1.1 activate
neighbor 172.16.1.1 send-community extended
neighbor 172.16.2.2 activate
neighbor 172.16.2.2 send-community extended exit-address-family !
address-family vpnv4
neighbor 172.16.1.1 activate
neighbor 172.16.1.1 send-community extended
neighbor 172.16.2.2 activate
neighbor 172.16.2.2 send-community extended exit-address-family !
address-family l2vpn vpls
neighbor 172.16.1.1 activate
neighbor 172.16.1.1 send-community extended
neighbor 172.16.1.1 suppress-signaling-protocol ldp
neighbor 172.16.2.2 activate
neighbor 172.16.2.2 send-community extended
neighbor 172.16.2.2 prefix-length-size 2
neighbor 172.16.2.2 suppress-signaling-protocol ldp
exit-address-family
Tunnels are up in both directions.
Output of some commands as below
PE3#show l2vpn vfi name lab
Legend: RT=Route-target, S=Split-horizon, Y=Yes, N=No
VFI name: lab, state: up, type: multipoint, signaling: BGP
VPN ID: 512, VE-ID: 3, VE-SIZE: 11
RD: 172.16.3.3:512, RT: 56595:512, 56595:512
Bridge-Domain 512 attachment circuits:
Vlan512
Pseudo-port interface: pseudowire100001
Interface Peer Address VE-ID Local Label Remote Label
S
PE1#show l2vpn vfi name lab
Legend: RT=Route-target, S=Split-horizon, Y=Yes, N=No
VFI name: lab, state: down, type: multipoint, signaling: BGP
VPN ID: 512, VE-ID: 1, VE-SIZE: 11
RD: 172.16.1.1:512, RT: 56595:512, 56595:512
Bridge-Domain 512 attachment circuits:
Vlan512
Pseudo-port interface: pseudowire100003
Interface Peer Address VE-ID Local Label Remote Label
S
PE3#show bgp l2vpn vpls all
BGP table version is 28, local router ID is 172.16.3.3 Status codes: s
suppressed, d damped, h history, * valid, > best, i - internal,
r RIB-failure, S Stale, m multipath, b backup-path, f
RT-Filter,
x best-external, a additional-path, c RIB-compressed,
Origin codes: i - IGP, e - EGP, ? - incomplete RPKI validation codes: V
valid, I invalid, N Not found
Network Next Hop Metric LocPrf Weight Path
Route Distinguisher: 172.16.1.1:512
*>i 172.16.1.1:512:VEID-1:Blk-1/136
172.16.1.1 0 100 0 ?
Route Distinguisher: 172.16.2.2:512
*>i 172.16.2.2:512:VEID-2:Blk-1/136
172.16.2.2 100 0 i
*>i 172.16.2.2:512:VEID-2:Blk-1/136
172.16.2.2 100 0 i
Route Distinguisher: 172.16.3.3:512
*> 172.16.3.3:512:VEID-3:Blk-1/136
0.0.0.0 32768 ?
PE1# show bgp l2vpn vpls all
BGP table version is 39, local router ID is 172.16.1.1 Status codes: s
suppressed, d damped, h history, * valid, > best, i - internal,
r RIB-failure, S Stale, m multipath, b backup-path, f
RT-Filter,
x best-external, a additional-path, c RIB-compressed,
Origin codes: i - IGP, e - EGP, ? - incomplete RPKI validation codes: V
valid, I invalid, N Not found
Network Next Hop Metric LocPrf Weight Path
Route Distinguisher: 172.16.1.1:512
*> 172.16.1.1:512:VEID-1:Blk-1/136
0.0.0.0 32768 ?
Route Distinguisher: 172.16.2.2:512
*>i 172.16.2.2:512:VEID-2:Blk-1/136
172.16.2.2 100 0 i
*>i 172.16.2.2:512:VEID-2:Blk-1/136
172.16.2.2 100 0 i
Route Distinguisher: 172.16.3.3:512
*>i 172.16.3.3:512:VEID-3:Blk-1/136
172.16.3.3 0 100 0 ?
Nick
--
Nick Ryce
Fluency Communications Ltd.
e. nick at fluency.net.uk<mailto:nick at fluency.net.uk><mailto:nick at fluency.net.uk>
w. http://fluency.net.uk/
t. 0845 874 7000
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