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VRF and Interface

VRF
ip vrf l3vpn
 rd 10.10.100.1:2020
 route-target both 65002:2020
!
interface xe0.2020
 encapsulation dot1q 20
 ip vrf forwarding l3vpn
 ip address 192.168.201.1/24
MP-BGP vpnv4Link

BGP vpnv4
R2#show running-config router bgp
!
router bgp 65000
 bgp router-id 10.1.1.1
 neighbor 10.1.1.2 remote-as 65000
 neighbor 10.1.1.2 update-source 10.1.1.1
 !
 address-family vpnv4 unicast
 neighbor 10.1.1.2 activate
 exit-address-family
 !
 address-family ipv4 vrf l3vpn
 redistribute connected
 exit-address-family
 !
 exit
!

Show VRF commands

show ip vrf

vrf
aggr1#show ip vrf l3vpn
VRF l3vpn, VRF ID: 3, FIB ID 2
 Router ID: 192.202.100.1 (automatic)
Interfaces:
  lo.l3vpn
  xe0.2020
VRF l3vpn; default RD 10.10.100.1:2020
 RT:65002:2020
Import VPN route-target communities
 RT:65002:2020
No import route-map
No export route-map
VPNv4 label allocation mode: per-vrf
VPNv6 label allocation mode: per-vrf




show ip route vrf all database

ip route
#show ip route vrf l3vpn
Codes: K - kernel, C - connected, S - static, R - RIP, B - BGP
       O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2,
       ia - IS-IS inter area, E - EVPN,
       v - vrf leaked
       * - candidate default

IP Route Table for VRF "l3vpn"
C            127.0.0.0/8 is directly connected, lo.l3vpn, 03:01:41
C            192.168.201.0/24 is directly connected, xe0.2020, 02:52:46

Gateway of last resort is not set

show BGP commands

show bgp vrf


bgp vrf
#show bgp vrf l3vpn
BGP table version is 1, local router ID is 192.202.100.1
Status codes: s suppressed, d damped, h history, a add-path, * valid, > best, i - intern
al,
              l - labeled, S Stale
Origin codes: i - IGP, e - EGP, ? - incomplete

    Network          Next Hop            Metric    LocPrf   Weight Path
*> l 192.168.201.0    0.0.0.0              0        100       32768  ?
*>i  192.168.203.0    10.10.100.3          0        100       0    ?
*>i  192.168.204.0    10.10.100.4          0        100       0    ?

Total number of prefixes 3


show bgp neighbors 10.1.1.2 received-routes 

received-routes
#show bgp neighbors 10.10.100.3 received-routes
% Inbound soft reconfiguration is not supported, displaying the received routes from acc
essing BGP local RIB

For address family: VPNv4 Unicast
Status codes: s suppressed, d damped, h history, a add-path, * valid, > best, i - intern
al, l - labeled
              S Stale
Origin codes: i - IGP, e - EGP, ? - incomplete

     Network          Next Hop           Metric    LocPrf     Weight Path
Route Distinguisher: 10.10.100.3:2020
*>i  192.168.203.0    10.10.100.3          0        100       0    ?
 Accepted routes count = 1


show bgp neighbors 10.1.1.2 advertised-routes 

advertised
#show bgp neighbors 10.10.100.3 advertised-routes

For address family: VPNv4 Unicast
BGP table version is 8, local router ID is 10.10.100.1
Status codes: s suppressed, d damped, a add-path, h history, * valid, > best, i - intern
al
Origin codes: i - IGP, e - EGP, ? - incomplete

    Network          Next Hop            Metric    LocPrf   Weight Path
*>i  192.168.201.0    10.10.100.1          0        100       32768  ?

Total number of prefixes 1


show BGP summary

summary
#show bgp summary
BGP router identifier 10.10.100.1, local AS number 65002
BGP table version is 8
1 BGP AS-PATH entries
0 BGP community entries

Neighbor                 V   AS   MsgRcv    MsgSen TblVer   InQ   OutQ    Up/Down   Stat
e/PfxRcd
10.1.1.240               4 65535 25493
                                                 29835       8      0      0  01w1d20h
             0
10.10.100.2              4 65002 67776
                                                 67768       8      0      0  22:50:35
             0
10.10.100.3              4 65002 74025
                                                 74045       8      0      0  02w3d23h
             0
10.10.100.4              4 65002 67362
                                                 67454       8      0      0  00:26:10
             0

Total number of neighbors 4

Total number of Established sessions 4


show bgp neighbors 10.10.100.3

show
#show bgp neighbors 10.10.100.3
BGP neighbor is 10.10.100.3, remote AS 65002, local AS 65002, internal link, peer index:
 5
  BGP version 4, local router ID 10.10.100.1, remote router ID 10.10.100.3
  BGP state = Established, up for 02w4d00h
  Last read 00:00:14, hold time is 90, keepalive interval is 30 seconds
  Neighbor capabilities:
    Route refresh: advertised and received (old and new)
    Address family IPv4 Unicast: advertised and received
    Address family VPNv4 Unicast: advertised and received
    Address family L2VPN EVPN: advertised and received
  Received 74026 messages, 2 notifications, 0 in queue
  Sent 74045 messages, 3 notifications, 0 in queue
  Route refresh request: received 6, sent 6
  Minimum time between advertisement runs is 5 seconds
  Update source is lo

For address family: IPv4 Unicast  BGP table version 8, neighbor version 8
  Index 2, Offset 0, Mask 0x4
  AIGP is enabled
  Community attribute sent to this neighbor (both)
  Large Community attribute sent to this neighbor
  0 accepted prefixes
  0 announced prefixes


For address family: VPNv4 Unicast  BGP table version 3, neighbor version 3
  Index 2, Offset 0, Mask 0x4
  AIGP is enabled
  Community attribute sent to this neighbor (both)
  Large Community attribute sent to this neighbor
  1 accepted prefixes
  1 announced prefixes


For address family: L2VPN EVPN  BGP table version 26, neighbor version 26
  Index 2, Offset 0, Mask 0x4
  Community attribute sent to this neighbor (both)
  Large Community attribute sent to this neighbor
  2 accepted prefixes
  Accepted AD:0 MACIP:1 MCAST:1 ESI:0 PREFIX:0
  2 announced prefixes

 Connections established 5; dropped 4
Local host: 10.10.100.1, Local port: 179
Foreign host: 10.10.100.3, Foreign port: 33649
TCP MSS: (0), Advertise TCP MSS: (1460), Send TCP MSS: (1460),  Receive TCP MSS: (536)
Sock FD : (24)
Nexthop: 10.10.100.1
Nexthop global: ::
Nexthop local: ::
BGP connection: non shared network
Last Reset: 02w4d00h, due to BGP Notification received
Notification Error Message: (Cease/Other Configuration Change.)

uk-wnlb-lg-pol-cin-01#






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