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​PE-CE Routing with BGP IPv6

Picture
CSR1
router bgp 100
 address-family ipv6 vrf C1
  neighbor 101:1:8::8 remote-as 65008
  neighbor 101:1:8::8 activate
  neighbor 101:1:17::17 remote-as 65017
  neighbor 101:1:17::17 activate
 exit-address-family


CSR5
router bgp 100
 address-family ipv6 vrf C1
  neighbor 101:5:18::18 remote-as 65100
  neighbor 101:5:18::18 activate
 exit-address-family


XR13
 vrf C1
  rd 100:1
  address-family ipv6 unicast
  !
  neighbor 101:13:19::19
   remote-as 65100
   address-family ipv6 unicast
    route-policy RPL_PASS_ALL in
    route-policy RPL_PASS_ALL out
    as-override



CSR8
router bgp 65008
 bgp log-neighbor-changes
 no bgp default ipv4-unicast
 neighbor 101:1:8::1 remote-as 100
 !
 address-family ipv6
  network 10:101:8::8/128
  neighbor 101:1:8::1 activate
 exit-address-family


IOS17
router bgp 65017
 bgp log-neighbor-changes
 no bgp default ipv4-unicast
 neighbor 101:1:17::1 remote-as 100
 !
 address-family ipv6
  network 10:101:17::17/128
  neighbor 101:1:17::1 activate
 exit-address-family


IOS18
router bgp 65100
 bgp log-neighbor-changes
 no bgp default ipv4-unicast
 neighbor 101:5:18::5 remote-as 100
 !
 address-family ipv6
  network 10:101:18::18/128
  neighbor 101:5:18::5 activate
 exit-address-family


IOS19
router bgp 65100
 bgp log-neighbor-changes
 no bgp default ipv4-unicast
 neighbor 101:13:19::13 remote-as 100
 !
 address-family ipv6
  network 10:101:19::19/128
  neighbor 101:13:19::13 activate
 exit-address-family



CSR1#show bgp vpnv6 unicast all 
BGP table version is 1967, local router ID is 192.0.2.1
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: 100:1 (default for vrf C1)
 *>  10:101:8::8/128  101:1:8::8               0             0 65008 i
 *>  10:101:17::17/128
                       101:1:17::17             0             0 65017 i
 * i 10:101:18::18/128
                       ::FFFF:192.0.2.5
                                                0    100      0 65100 i
 *>i                  ::FFFF:192.0.2.5
                                                0    100      0 65100 i
 * i 10:101:19::19/128
                       ::FFFF:192.0.2.13
                                                0    100      0 65100 i
 *>i                  ::FFFF:192.0.2.13
                                                0    100      0 65100 i




RP/0/0/CPU0:XR13#show bgp vpnv6 unicast 
Tue Sep 24 05:14:01.003 UTC
BGP router identifier 192.0.2.13, local AS number 100
BGP generic scan interval 60 secs
Non-stop routing is enabled
BGP table state: Active
Table ID: 0x0   RD version: 0
BGP main routing table version 192
BGP NSR Initial initsync version 2 (Reached)
BGP NSR/ISSU Sync-Group versions 0/0
BGP scan interval 60 secs

Status codes: s suppressed, d damped, h history, * valid, > best
              i - internal, r RIB-failure, S stale, N Nexthop-discard
Origin codes: i - IGP, e - EGP, ? - incomplete
   Network            Next Hop            Metric LocPrf Weight Path
Route Distinguisher: 100:1 (default for vrf C1)
*>i10:101:8::8/128    192.0.2.1                0    100      0 65008 i
* i                   192.0.2.1                0    100      0 65008 i
*>i10:101:17::17/128  192.0.2.1                0    100      0 65017 i
* i                   192.0.2.1                0    100      0 65017 i
*>i10:101:18::18/128  192.0.2.5                0    100      0 65100 i
* i                   192.0.2.5                0    100      0 65100 i
*> 10:101:19::19/128  101:13:19::19            0             0 65100 i

Processed 4 prefixes, 7 paths



CSR8#sh ipv6 route bgp
IPv6 Routing Table - default - 10 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, R - RIP, H - NHRP, I1 - ISIS L1
       I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary, D - EIGRP
       EX - EIGRP external, ND - ND Default, NDp - ND Prefix, DCE - Destination
       NDr - Redirect, RL - RPL, O - OSPF Intra, OI - OSPF Inter
       OE1 - OSPF ext 1, OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1
       ON2 - OSPF NSSA ext 2, la - LISP alt, lr - LISP site-registrations
       ld - LISP dyn-eid, a - Application
B   10:101:17::17/128 [20/0]
     via FE80::5200:FF:FE01:3, GigabitEthernet3
B   10:101:18::18/128 [20/0]
     via FE80::5200:FF:FE01:3, GigabitEthernet3
B   10:101:19::19/128 [20/0]
     via FE80::5200:FF:FE01:3, GigabitEthernet3



IOS17#show ipv6 route bgp
IPv6 Routing Table - default - 10 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       lA - LISP away, a - Application
B   10:101:8::8/128 [20/0]
     via FE80::5200:FF:FE01:1, GigabitEthernet0/0
B   10:101:18::18/128 [20/0]
     via FE80::5200:FF:FE01:1, GigabitEthernet0/0
B   10:101:19::19/128 [20/0]
     via FE80::5200:FF:FE01:1, GigabitEthernet0/0


IOS18#show ipv6 route bgp
IPv6 Routing Table - default - 6 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       lA - LISP away, a - Application
B   10:101:8::8/128 [20/0]
     via FE80::5200:FF:FE05:1, GigabitEthernet0/0
B   10:101:17::17/128 [20/0]
     via FE80::5200:FF:FE05:1, GigabitEthernet0/0


IOS19#show ipv6 route bgp
IPv6 Routing Table - default - 7 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
       B - BGP, HA - Home Agent, MR - Mobile Router, R - RIP
       H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea
       IS - ISIS summary, D - EIGRP, EX - EIGRP external, NM - NEMO
       ND - ND Default, NDp - ND Prefix, DCE - Destination, NDr - Redirect
       RL - RPL, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1
       OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
       la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid
       lA - LISP away, a - Application
B   10:101:8::8/128 [20/0]
     via FE80::5200:FF:FE0D:2, GigabitEthernet0/0
B   10:101:17::17/128 [20/0]
     via FE80::5200:FF:FE0D:2, GigabitEthernet0/0
B   10:101:18::18/128 [20/0]
     via FE80::5200:FF:FE0D:2, GigabitEthernet0/0



CSR8#traceroute 
Protocol [ip]: ipv6
Target IPv6 address: 10:101:17::17
Source address: 10:101:8::8  
Insert source routing header? [no]: 
Numeric display? [no]: y
Timeout in seconds [3]: 
Probe count [3]: 
Minimum Time to Live [1]: 
Maximum Time to Live [30]: 
Priority [0]: 
Port Number [0]: 
Type escape sequence to abort.
Tracing the route to 10:101:17::17

  1 101:1:8::1 37 msec 11 msec 7 msec
  2 101:1:17::17 23 msec 10 msec 12 msec


​
CSR8#traceroute   
Protocol [ip]: ipv6         
Target IPv6 address: 10:101:18::18
Source address: 10:101:8::8  
Insert source routing header? [no]: 
Numeric display? [no]: y
Timeout in seconds [3]: 
Probe count [3]: 
Minimum Time to Live [1]: 
Maximum Time to Live [30]: 
Priority [0]: 
Port Number [0]: 
Type escape sequence to abort.
Tracing the route to 10:101:18::18

  1 101:1:8::1 32 msec 7 msec 6 msec
  2 ::FFFF:10.1.3.3 [MPLS: Labels 29/25 Exp 0] 37 msec 14 msec 18 msec
  3 101:5:18::5 [MPLS: Label 25 Exp 0] 16 msec 13 msec 19 msec
  4 101:5:18::18 191 msec 23 msec 25 msec



CSR8#traceroute   
Protocol [ip]: ipv6         
Target IPv6 address: 10:101:19::19
Source address: 10:101:8::8  
Insert source routing header? [no]:  
Numeric display? [no]: y
Timeout in seconds [3]: 
Probe count [3]: 
Minimum Time to Live [1]: 
Maximum Time to Live [30]: 
Priority [0]: 
Port Number [0]: 
Type escape sequence to abort.
Tracing the route to 10:101:19::19

  1 101:1:8::1 39 msec 6 msec 8 msec
  2 ::FFFF:10.1.3.3 [MPLS: Labels 45/24011 Exp 0] 35 msec 30 msec 29 msec
  3 10:3:14::14 [MPLS: Labels 24021/24011 Exp 0] 33 msec 30 msec 31 msec
  4  *  *  * 
  5 101:13:19::19 44 msec 25 msec 34 msec
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  • 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