Simplified Networking
  • Home
  • Technology VoD!
    • Cisco >
      • Route & Switch / Enterprise Infrastructure
  • Technology Breakdowns!
    • Route&Switch/Ent. Infra. >
      • L2 Technologies
      • L3 Technologies
      • VPN Technologies
      • Services >
        • IOS - Dynamic NAT
        • HSRP - IPv4 Setup
        • HSRP - Priority and Preemption
    • Service Provider >
      • IGPs (Interior Gateway Protocols)
      • First Hop Redundancy >
        • HSRP (Hot Standby Router Protocol) >
          • HSRP - IOS/IOS XE Setup
          • HSRP - IOS XR Setup
      • BGP (Border Gateway Protocol)
      • Inter AS Multicast (MSDP)
      • Intra-AS MPLS
      • Inter-AS MPLS
    • Security >
      • IOS Firewall
      • ASA Firewall
      • FirePOWER Threat Defense >
        • FTD - FTD NGFW Device Setup and FMC Integration
      • VPNs >
        • PKI
        • Site to Site VPNs
        • Remote Access VPNs >
          • IOS Remote Access
          • ASA Remote Access
    • Data Center >
      • Nexus 9000v >
        • Nexus 9000v - Enabling Features
        • Nexus 9000v - VLANs and Trunks
        • Nexus 9000v - LACP Port Channels
        • Nexus 9000v - vPC (Virtual Port Channel)
        • Nexus 9000v - OSPFv2
        • Nexus 9000v - VXLAN - Ingress Replication Flood and Learn
        • Nexus 9000v - IP Multicast
        • Nexus 9000v - VxLAN - Multicast Flood and Learn
        • Nexus 9000v - VxLAN - BGP EVPN with Multicast
        • Nexus 9000v - VxLAN - BGP EVPN w/Ingress Replication
        • Nexus 9000v - VxLAN - Inter-VxLAN Routing with BGP EVPN
        • Nexus 9000v - VXLAN - External Routing
      • Nexus 7000v
    • Palo Alto

VPWS BGP-AD LDP Signaling

Picture
BGP-AD VPWS or BGP Auto Discovery Virtual Private Wire Service is a way for a PE router to automatically discover other PE routers that are providing L2VPN services but to just one other PE and not 2 or more. 

CSR1
interface GigabitEthernet3
 service instance 100 ethernet
  encapsulation dot1q 100
!
l2vpn vfi context VPWS 
 vpn id 100
 autodiscovery bgp signaling ldp 
!
bridge-domain 100 
 member GigabitEthernet3 service-instance 100
 member vfi VPWS
!

router bgp 100
!
 address-family l2vpn vpls
  neighbor 192.0.2.3 activate
  neighbor 192.0.2.9 activate
  neighbor 192.0.2.9 prefix-length-size 2
 exit-address-family

CSR5
interface GigabitEthernet3
 service instance 100 ethernet
  encapsulation dot1q 100
!
l2vpn vfi context VPWS 
 vpn id 100
 autodiscovery bgp signaling ldp 
!
bridge-domain 100 
 member GigabitEthernet3 service-instance 100
 member vfi VPWS
!
router bgp 100
!
 address-family l2vpn vpls
  neighbor 192.0.2.3 activate
  neighbor 192.0.2.9 activate
  neighbor 192.0.2.9 prefix-length-size 2
 exit-address-family

CSR3
router bgp 100
 neighbor IBGP peer-group
 neighbor IBGP remote-as 100
 neighbor IBGP update-source Loopback0
 neighbor 192.0.2.1 peer-group IBGP
 neighbor 192.0.2.5 peer-group IBGP
!
 address-family l2vpn vpls
  neighbor IBGP route-reflector-client
  neighbor 192.0.2.1 activate
  neighbor 192.0.2.5 activate

XR9
router bgp 100
 address-family l2vpn vpls-vpws
!
 neighbor 192.0.2.1
  remote-as 100
  update-source Loopback0
!
  address-family l2vpn vpls-vpws
   route-reflector-client
   Signalling bgp disable
!
 neighbor 192.0.2.5
  remote-as 100
  update-source Loopback0
!
  address-family l2vpn vpls-vpws
   route-reflector-client
   Signalling bgp disable

CSR1#show xconnect all 
Legend:    XC ST=Xconnect State  S1=Segment1 State  S2=Segment2 State
  UP=Up       DN=Down            AD=Admin Down      IA=Inactive
  SB=Standby  HS=Hot Standby     RV=Recovering      NH=No Hardware

XC ST  Segment 1                         S1 Segment 2                         S2
------+---------------------------------+--+---------------------------------+--
UP pri  vfi VPWS                         UP mpls 192.0.2.5:100                UP

CSR1#show bridge-domain 100
Bridge-domain 100 (2 ports in all)
State: UP                    Mac learning: Enabled
Aging-Timer: 300 second(s)
    GigabitEthernet3 service instance 100
    vfi VPWS neighbor 192.0.2.5 100
   AED MAC address    Policy  Tag       Age  Pseudoport
   0   5000.0011.0001 forward dynamic   298  GigabitEthernet3.EFP100
   0   5000.0012.0002 forward dynamic   300  VPWS.1004045

CSR5#show xconnect all 
Legend:    XC ST=Xconnect State  S1=Segment1 State  S2=Segment2 State
  UP=Up       DN=Down            AD=Admin Down      IA=Inactive
  SB=Standby  HS=Hot Standby     RV=Recovering      NH=No Hardware

XC ST  Segment 1                         S1 Segment 2                         S2
------+---------------------------------+--+---------------------------------+--
UP pri  vfi VPWS                         UP mpls 192.0.2.1:100                UP

CSR5#show bridge-domain 100
Bridge-domain 100 (2 ports in all)
State: UP                    Mac learning: Enabled
Aging-Timer: 300 second(s)
    GigabitEthernet3 service instance 100
    vfi VPWS neighbor 192.0.2.1 100
   AED MAC address    Policy  Tag       Age  Pseudoport
   0   5000.0011.0001 forward dynamic   298  VPWS.100401b
   0   5000.0012.0002 forward dynamic   298  GigabitEthernet3.EFP100

IOS17
interface GigabitEthernet0/1.100
 encapsulation dot1Q 100
 ip address 10.100.100.17 255.255.255.0
!
router eigrp 100
 network 10.100.100.0 0.0.0.255

IOS18
interface GigabitEthernet0/2.100
 encapsulation dot1Q 100
 ip address 10.100.100.18 255.255.255.0
!
​router eigrp 100
 network 10.100.100.0 0.0.0.255

​IOS18#sh ip eigrp 100 neighbors 
EIGRP-IPv4 Neighbors for AS(100)
H   Address                 Interface              Hold Uptime   SRTT   RTO  Q  Seq
                                                   (sec)         (ms)       Cnt Num
0   10.100.100.17           Gi0/2.100                14 5d21h      91   819  0  12
Powered by Create your own unique website with customizable templates.
  • Home
  • Technology VoD!
    • Cisco >
      • Route & Switch / Enterprise Infrastructure
  • Technology Breakdowns!
    • Route&Switch/Ent. Infra. >
      • L2 Technologies
      • L3 Technologies
      • VPN Technologies
      • Services >
        • IOS - Dynamic NAT
        • HSRP - IPv4 Setup
        • HSRP - Priority and Preemption
    • Service Provider >
      • IGPs (Interior Gateway Protocols)
      • First Hop Redundancy >
        • HSRP (Hot Standby Router Protocol) >
          • HSRP - IOS/IOS XE Setup
          • HSRP - IOS XR Setup
      • BGP (Border Gateway Protocol)
      • Inter AS Multicast (MSDP)
      • Intra-AS MPLS
      • Inter-AS MPLS
    • Security >
      • IOS Firewall
      • ASA Firewall
      • FirePOWER Threat Defense >
        • FTD - FTD NGFW Device Setup and FMC Integration
      • VPNs >
        • PKI
        • Site to Site VPNs
        • Remote Access VPNs >
          • IOS Remote Access
          • ASA Remote Access
    • Data Center >
      • Nexus 9000v >
        • Nexus 9000v - Enabling Features
        • Nexus 9000v - VLANs and Trunks
        • Nexus 9000v - LACP Port Channels
        • Nexus 9000v - vPC (Virtual Port Channel)
        • Nexus 9000v - OSPFv2
        • Nexus 9000v - VXLAN - Ingress Replication Flood and Learn
        • Nexus 9000v - IP Multicast
        • Nexus 9000v - VxLAN - Multicast Flood and Learn
        • Nexus 9000v - VxLAN - BGP EVPN with Multicast
        • Nexus 9000v - VxLAN - BGP EVPN w/Ingress Replication
        • Nexus 9000v - VxLAN - Inter-VxLAN Routing with BGP EVPN
        • Nexus 9000v - VXLAN - External Routing
      • Nexus 7000v
    • Palo Alto