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VXLAN - External connectivity for TENANT using eBGP

 



Ping from DCB-SRV4 in DCB to loopback 0 of BCA-BB-A,BCA-BB-B,BCA-MPLS-A, and BCA-MPLS-B
DCB-SRV4> ping 10.1.100.1 -i 5

84 bytes from 10.1.100.1 icmp_seq=1 ttl=251 time=60.865 ms
84 bytes from 10.1.100.1 icmp_seq=2 ttl=251 time=51.113 ms
84 bytes from 10.1.100.1 icmp_seq=3 ttl=251 time=56.060 ms
84 bytes from 10.1.100.1 icmp_seq=4 ttl=251 time=50.108 ms
84 bytes from 10.1.100.1 icmp_seq=5 ttl=251 time=56.570 ms

DCB-SRV4> ping 10.1.100.2 -i 5

84 bytes from 10.1.100.2 icmp_seq=1 ttl=251 time=83.532 ms
84 bytes from 10.1.100.2 icmp_seq=2 ttl=251 time=48.313 ms
84 bytes from 10.1.100.2 icmp_seq=3 ttl=251 time=51.152 ms
84 bytes from 10.1.100.2 icmp_seq=4 ttl=251 time=47.318 ms
84 bytes from 10.1.100.2 icmp_seq=5 ttl=251 time=50.505 ms

DCB-SRV4> ping 10.1.100.3 -i 5

84 bytes from 10.1.100.3 icmp_seq=1 ttl=250 time=68.015 ms
84 bytes from 10.1.100.3 icmp_seq=2 ttl=250 time=51.954 ms
84 bytes from 10.1.100.3 icmp_seq=3 ttl=250 time=51.534 ms
84 bytes from 10.1.100.3 icmp_seq=4 ttl=250 time=49.135 ms
84 bytes from 10.1.100.3 icmp_seq=5 ttl=250 time=56.278 ms

DCB-SRV4> ping 10.1.100.4 -i 5

84 bytes from 10.1.100.4 icmp_seq=1 ttl=250 time=74.580 ms
84 bytes from 10.1.100.4 icmp_seq=2 ttl=250 time=59.704 ms
84 bytes from 10.1.100.4 icmp_seq=3 ttl=250 time=57.849 ms
84 bytes from 10.1.100.4 icmp_seq=4 ttl=250 time=56.020 ms
84 bytes from 10.1.100.4 icmp_seq=5 ttl=250 time=56.818 ms


hostname DCA-Leaf1
nv overlay evpn
feature ospf
feature bgp
feature pim
feature fabric forwarding
feature interface-vlan
feature vn-segment-vlan-based
feature nv overlay
fabric forwarding anycast-gateway-mac 0000.1234.5678
ip pim rp-address 10.1.1.11 group-list 224.0.0.0/4
ip pim ssm range 232.0.0.0/8
vlan 1,100,200,500
vlan 100
  vn-segment 100100
vlan 200
  vn-segment 100200
vlan 500
  vn-segment 50000
route-map Overlay_Subnets permit 10
  match tag 54321 
vrf context TENANT1
  vni 50000
  rd auto
  address-family ipv4 unicast
    route-target both auto
    route-target both auto evpn
vrf context management
hardware access-list tcam region racl 512
hardware access-list tcam region arp-ether 256

interface Vlan1
interface Vlan100
  no shutdown
  mtu 9150
  vrf member TENANT1
  ip address 10.100.0.1/24 tag 54321
  fabric forwarding mode anycast-gateway
interface Vlan200
  no shutdown
  mtu 9150
  vrf member TENANT1
  ip address 10.200.0.1/24 tag 54321
  fabric forwarding mode anycast-gateway
interface Vlan500
  no shutdown
  vrf member TENANT1
  ip forward
interface nve1
  no shutdown
  host-reachability protocol bgp
  source-interface loopback0
  member vni 50000 associate-vrf
  member vni 100100
    suppress-arp
    mcast-group 239.0.0.100
  member vni 100200
    suppress-arp
    mcast-group 239.0.0.200
interface Ethernet1/1
  no switchport
  mtu 9150
  no ip redirects
  ip address 10.1.12.2/30
  ip ospf network point-to-point
  ip router ospf UNDERLAY area 0.0.0.0
  ip pim sparse-mode
  no shutdown
interface Ethernet1/2
  no switchport
  mtu 9150
  no ip redirects
  ip address 10.1.12.6/30
  ip ospf network point-to-point
  ip router ospf UNDERLAY area 0.0.0.0
  ip pim sparse-mode
  no shutdown
interface Ethernet1/3
  no switchport
  vrf member TENANT1
  ip address 10.1.10.2/30
  no shutdown
interface Ethernet1/6
  switchport access vlan 100
interface Ethernet1/7
  switchport access vlan 200
interface loopback0
  ip address 10.1.1.3/32
  ip router ospf UNDERLAY area 0.0.0.0
  ip pim sparse-mode
router ospf UNDERLAY
router bgp 65000
  router-id 10.1.1.113
  log-neighbor-changes
  address-family ipv4 unicast
  address-family l2vpn evpn
  template peer VXLAN_SPINE
    remote-as 65000
    update-source loopback0
    address-family ipv4 unicast
      send-community
      send-community extended
    address-family l2vpn evpn
      send-community
      send-community extended
  neighbor 10.1.1.1
    inherit peer VXLAN_SPINE
  neighbor 10.1.1.2
    inherit peer VXLAN_SPINE
  vrf TENANT1
    log-neighbor-changes
    address-family ipv4 unicast
      redistribute direct route-map Overlay_Subnets
    neighbor 10.1.10.1
      remote-as 65100
      local-as 65110
      address-family ipv4 unicast
evpn
  vni 100100 l2
    rd auto
    route-target import auto
    route-target export auto
  vni 100200 l2
    rd auto
    route-target import auto
    route-target export auto


DCA-Leaf1# sh ip bgp summary vrf TENANT1 
Neighbor        V    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  State/PfxRcd
10.1.10.1       4 65100     163     142       55    0    0 02:10:20 7         
DCA-Leaf1# sh ip route vrf TENANT1 
10.1.10.0/30, ubest/mbest: 1/0, attached
    *via 10.1.10.2, Eth1/3, [0/0], 02:44:44, direct
10.1.10.2/32, ubest/mbest: 1/0, attached
    *via 10.1.10.2, Eth1/3, [0/0], 02:44:44, local
10.1.30.0/24, ubest/mbest: 1/0
    *via 10.1.10.1, [20/0], 01:05:19, bgp-65000, external, tag 65110
10.1.40.0/24, ubest/mbest: 1/0
    *via 10.1.10.1, [20/0], 00:56:00, bgp-65000, external, tag 65110
10.1.100.0/24, ubest/mbest: 1/0
    *via 10.1.10.1, [20/0], 01:59:55, bgp-65000, external, tag 65110
10.1.100.1/32, ubest/mbest: 1/0
    *via 10.1.10.1, [20/0], 01:05:19, bgp-65000, external, tag 65110
10.1.100.2/32, ubest/mbest: 1/0
    *via 10.1.1.4%default, [200/0], 01:04:49, bgp-65000, internal, tag 65110, se
gid: 50000 tunnelid: 0xa010104 encap: VXLAN
 
10.1.100.3/32, ubest/mbest: 1/0
    *via 10.1.10.1, [20/2], 01:04:49, bgp-65000, external, tag 65110
10.1.100.4/32, ubest/mbest: 1/0
    *via 10.1.10.1, [20/2], 00:43:35, bgp-65000, external, tag 65110
10.100.0.0/24, ubest/mbest: 1/0, attached
    *via 10.100.0.1, Vlan100, [0/0], 03:07:57, direct, tag 54321
10.100.0.1/32, ubest/mbest: 1/0, attached
    *via 10.100.0.1, Vlan100, [0/0], 03:07:57, local, tag 54321
10.100.0.101/32, ubest/mbest: 1/0, attached
    *via 10.100.0.101, Vlan100, [190/0], 02:08:43, hmm
10.100.0.103/32, ubest/mbest: 1/0
    *via 10.1.1.4%default, [200/0], 02:08:40, bgp-65000, internal, tag 65000, se
gid: 50000 tunnelid: 0xa010104 encap: VXLAN
 
10.100.0.105/32, ubest/mbest: 1/0
    *via 10.1.1.5%default, [200/0], 02:08:54, bgp-65000, internal, tag 65000, se
gid: 50000 tunnelid: 0xa010105 encap: VXLAN
 
10.200.0.0/24, ubest/mbest: 1/0, attached
    *via 10.200.0.1, Vlan200, [0/0], 03:07:57, direct, tag 54321
10.200.0.1/32, ubest/mbest: 1/0, attached
    *via 10.200.0.1, Vlan200, [0/0], 03:07:57, local, tag 54321
10.200.0.101/32, ubest/mbest: 1/0, attached
    *via 10.200.0.101, Vlan200, [190/0], 02:08:42, hmm
10.200.0.103/32, ubest/mbest: 1/0
    *via 10.1.1.4%default, [200/0], 02:08:38, bgp-65000, internal, tag 65000, se
gid: 50000 tunnelid: 0xa010104 encap: VXLAN
 
10.200.0.104/32, ubest/mbest: 1/0
    *via 10.1.1.16%default, [200/2000], 00:04:54, bgp-65000, internal, tag 65001
, segid: 50000 tunnelid: 0xa010110 encap: VXLAN
 
10.200.0.105/32, ubest/mbest: 1/0
    *via 10.1.1.5%default, [200/0], 02:08:27, bgp-65000, internal, tag 65000, se
gid: 50000 tunnelid: 0xa010105 encap: VXLAN
 
10.200.0.106/32, ubest/mbest: 1/0
    *via 10.1.1.16%default, [200/0], 00:05:46, bgp-65000, internal, tag 65001, s
egid: 50000 tunnelid: 0xa010110 encap: VXLAN

hostname DCA-Leaf2

nv overlay evpn
feature ospf
feature bgp
feature pim
feature fabric forwarding
feature interface-vlan
feature vn-segment-vlan-based
feature nv overlay

fabric forwarding anycast-gateway-mac 0000.1234.5678
ip pim rp-address 10.1.1.11 group-list 224.0.0.0/4
ip pim ssm range 232.0.0.0/8
vlan 1,100,200,500
vlan 100
  vn-segment 100100
vlan 200
  vn-segment 100200
vlan 500
  vn-segment 50000

route-map Overlay_Subnets permit 10
  match tag 54321 
vrf context TENANT1
  vni 50000
  rd auto
  address-family ipv4 unicast
    route-target both auto
    route-target both auto evpn
vrf context management
hardware access-list tcam region racl 512
hardware access-list tcam region arp-ether 256


interface Vlan1

interface Vlan100
  no shutdown
  mtu 9150
  vrf member TENANT1
  ip address 10.100.0.1/24 tag 54321
  fabric forwarding mode anycast-gateway

interface Vlan200
  no shutdown
  mtu 9150
  vrf member TENANT1
  ip address 10.200.0.1/24 tag 54321
  fabric forwarding mode anycast-gateway

interface Vlan500
  no shutdown
  vrf member TENANT1
  ip forward

interface nve1
  no shutdown
  host-reachability protocol bgp
  source-interface loopback0
  member vni 50000 associate-vrf
  member vni 100100
    suppress-arp
    mcast-group 239.0.0.100
  member vni 100200
    suppress-arp
    mcast-group 239.0.0.200

interface Ethernet1/1
  no switchport
  mtu 9150
  no ip redirects
  ip address 10.1.12.10/30
  ip ospf network point-to-point
  ip router ospf UNDERLAY area 0.0.0.0
  ip pim sparse-mode
  no shutdown

interface Ethernet1/2
  no switchport
  mtu 9150
  no ip redirects
  ip address 10.1.12.14/30
  ip ospf network point-to-point
  ip router ospf UNDERLAY area 0.0.0.0
  ip pim sparse-mode
  no shutdown

interface Ethernet1/3
  no switchport
  vrf member TENANT1
  ip address 10.1.10.6/30
  no shutdown

interface Ethernet1/6
  switchport access vlan 100

interface Ethernet1/7
  switchport access vlan 200

interface loopback0
  ip address 10.1.1.4/32
  ip router ospf UNDERLAY area 0.0.0.0
  ip pim sparse-mode

router ospf UNDERLAY
router bgp 65000
  router-id 10.1.1.114
  log-neighbor-changes
  address-family ipv4 unicast
  address-family l2vpn evpn
  template peer VXLAN_SPINE
    remote-as 65000
    update-source loopback0
    address-family ipv4 unicast
      send-community
      send-community extended
    address-family l2vpn evpn
      send-community
      send-community extended
  neighbor 10.1.1.1
    inherit peer VXLAN_SPINE
  neighbor 10.1.1.2
    inherit peer VXLAN_SPINE
  vrf TENANT1
    log-neighbor-changes
    address-family ipv4 unicast
      redistribute direct route-map Overlay_Subnets
    neighbor 10.1.10.5
      remote-as 65100
      local-as 65110
      address-family ipv4 unicast
evpn
  vni 100100 l2
    rd auto
    route-target import auto
    route-target export auto
  vni 100200 l2
    rd auto
    route-target import auto
    route-target export auto



DCA-Leaf2# sh ip bgp summary vrf TENANT1 
BGP summary information for VRF TENANT1, address family IPv4 Unicast
BGP router identifier 10.100.0.1, local AS number 65000
BGP table version is 55, IPv4 Unicast config peers 1, capable peers 1
15 network entries and 34 paths using 2880 bytes of memory
BGP attribute entries [18/3024], BGP AS path entries [2/16]
BGP community entries [0/0], BGP clusterlist entries [3/12]

Neighbor        V    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  State/PfxRcd
10.1.10.5       4 65100     142     122       55    0    0 01:57:42 7         
DCA-Leaf2# sh ip route vrf TENANT1 
IP Route Table for VRF "TENANT1"
'*' denotes best ucast next-hop
'**' denotes best mcast next-hop
'[x/y]' denotes [preference/metric]
'%<string>' in via output denotes VRF <string>

10.1.10.4/30, ubest/mbest: 1/0, attached
    *via 10.1.10.6, Eth1/3, [0/0], 02:07:53, direct
10.1.10.6/32, ubest/mbest: 1/0, attached
    *via 10.1.10.6, Eth1/3, [0/0], 02:07:53, local
10.1.30.0/24, ubest/mbest: 1/0
    *via 10.1.10.5, [20/0], 01:07:13, bgp-65000, external, tag 65110
10.1.40.0/24, ubest/mbest: 1/0
    *via 10.1.10.5, [20/0], 00:38:39, bgp-65000, external, tag 65110
10.1.100.0/24, ubest/mbest: 1/0
    *via 10.1.10.5, [20/0], 01:57:49, bgp-65000, external, tag 65110
10.1.100.1/32, ubest/mbest: 1/0
    *via 10.1.1.3%default, [200/0], 01:07:13, bgp-65000, internal, tag 65110, se
gid: 50000 tunnelid: 0xa010103 encap: VXLAN
 
10.1.100.2/32, ubest/mbest: 1/0
    *via 10.1.10.5, [20/0], 01:07:13, bgp-65000, external, tag 65110
10.1.100.3/32, ubest/mbest: 1/0
    *via 10.1.10.5, [20/2], 01:07:13, bgp-65000, external, tag 65110
10.1.100.4/32, ubest/mbest: 1/0
    *via 10.1.10.5, [20/2], 00:45:51, bgp-65000, external, tag 65110
10.100.0.0/24, ubest/mbest: 1/0, attached
    *via 10.100.0.1, Vlan100, [0/0], 03:03:22, direct, tag 54321
10.100.0.1/32, ubest/mbest: 1/0, attached
    *via 10.100.0.1, Vlan100, [0/0], 03:03:22, local, tag 54321
10.100.0.101/32, ubest/mbest: 1/0
    *via 10.1.1.3%default, [200/0], 02:11:08, bgp-65000, internal, tag 65000, se
gid: 50000 tunnelid: 0xa010103 encap: VXLAN
 
10.100.0.103/32, ubest/mbest: 1/0, attached
    *via 10.100.0.103, Vlan100, [190/0], 02:11:04, hmm
10.100.0.105/32, ubest/mbest: 1/0
    *via 10.1.1.5%default, [200/0], 02:11:19, bgp-65000, internal, tag 65000, se
gid: 50000 tunnelid: 0xa010105 encap: VXLAN
 
10.200.0.0/24, ubest/mbest: 1/0, attached
    *via 10.200.0.1, Vlan200, [0/0], 03:03:22, direct, tag 54321
10.200.0.1/32, ubest/mbest: 1/0, attached
    *via 10.200.0.1, Vlan200, [0/0], 03:03:22, local, tag 54321
10.200.0.101/32, ubest/mbest: 1/0
    *via 10.1.1.3%default, [200/0], 02:11:06, bgp-65000, internal, tag 65000, se
gid: 50000 tunnelid: 0xa010103 encap: VXLAN
 
10.200.0.103/32, ubest/mbest: 1/0, attached
    *via 10.200.0.103, Vlan200, [190/0], 02:11:02, hmm
10.200.0.104/32, ubest/mbest: 1/0
    *via 10.1.1.16%default, [200/2000], 00:07:18, bgp-65000, internal, tag 65001
, segid: 50000 tunnelid: 0xa010110 encap: VXLAN
 
10.200.0.105/32, ubest/mbest: 1/0
    *via 10.1.1.5%default, [200/0], 02:10:51, bgp-65000, internal, tag 65000, se
gid: 50000 tunnelid: 0xa010105 encap: VXLAN
 
10.200.0.106/32, ubest/mbest: 1/0
    *via 10.1.1.16%default, [200/0], 00:08:10, bgp-65000, internal, tag 65001, s
egid: 50000 tunnelid: 0xa010110 encap: VXLAN

hostname DCA-BB-A
!
interface Loopback0
 ip address 10.1.100.1 255.255.255.255
!
interface GigabitEthernet0/0
 no switchport
 ip address 10.1.10.1 255.255.255.252
 negotiation auto
!
interface GigabitEthernet0/1
 switchport trunk encapsulation dot1q
 switchport mode trunk
 negotiation auto
!
interface GigabitEthernet0/2
 switchport access vlan 30
 switchport mode access
 negotiation auto
!
interface GigabitEthernet0/3
 switchport access vlan 30
 switchport mode access
 negotiation auto
!
interface Vlan30
 ip address 10.1.30.1 255.255.255.0
!
interface Vlan40
 ip address 10.1.40.2 255.255.255.0
!
router ospf 100
 router-id 10.1.100.1
 redistribute bgp 65100 subnets
 network 10.1.30.0 0.0.0.255 area 0
 network 10.1.40.0 0.0.0.255 area 0
 network 10.1.100.1 0.0.0.0 area 0
!
router bgp 65100
 bgp log-neighbor-changes
 neighbor 10.1.10.2 remote-as 65110
 neighbor 10.1.100.2 remote-as 65100
 neighbor 10.1.100.2 update-source Loopback0
 !
 address-family ipv4
  network 10.1.100.0 mask 255.255.255.0
  redistribute ospf 100
  neighbor 10.1.10.2 activate
  neighbor 10.1.100.2 activate
  neighbor 10.1.100.2 next-hop-self
 exit-address-family
!
ip route 10.1.100.0 255.255.255.0 Null0
!
end

DCA-BB-A#        sh ip bgp sum
Neighbor        V           AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  State/PfxRcd
10.1.10.2       4        65110     149     159       34    0    0 02:14:20        8
10.1.100.2      4        65100      96      97       34    0    0 01:13:20       15
DCA-BB-A#sh ip bgp neighbors 10.1.10.2 advertised-routes 
     Network          Next Hop            Metric LocPrf Weight Path
 *>   10.1.30.0/24     0.0.0.0                  0         32768 ?
 *>   10.1.40.0/24     0.0.0.0                  0         32768 ?
 *>   10.1.100.0/24    0.0.0.0                  0         32768 i
 *>   10.1.100.1/32    0.0.0.0                  0         32768 ?
 *>   10.1.100.2/32    10.1.40.1                2         32768 ?
 *>   10.1.100.3/32    10.1.40.253              2         32768 ?
 *>   10.1.100.4/32    10.1.40.254              2         32768 ?
 r>i  10.100.0.101/32  10.1.100.2               0    100      0 65110 65000 i
 r>i  10.200.0.101/32  10.1.100.2               0    100      0 65110 65000 i

Total number of prefixes 9 
DCA-BB-A#sh ip route
      10.0.0.0/8 is variably subnetted, 21 subnets, 3 masks
C        10.1.10.0/30 is directly connected, GigabitEthernet0/0
L        10.1.10.1/32 is directly connected, GigabitEthernet0/0
C        10.1.30.0/24 is directly connected, Vlan30
L        10.1.30.1/32 is directly connected, Vlan30
C        10.1.40.0/24 is directly connected, Vlan40
L        10.1.40.2/32 is directly connected, Vlan40
S        10.1.100.0/24 is directly connected, Null0
C        10.1.100.1/32 is directly connected, Loopback0
O        10.1.100.2/32 [110/2] via 10.1.40.1, 00:40:36, Vlan40
                       [110/2] via 10.1.30.2, 01:20:43, Vlan30
O        10.1.100.3/32 [110/2] via 10.1.40.253, 00:47:37, Vlan40
                       [110/2] via 10.1.30.254, 01:18:55, Vlan30
O        10.1.100.4/32 [110/2] via 10.1.40.254, 00:48:09, Vlan40
                       [110/2] via 10.1.30.253, 00:48:09, Vlan30
B        10.100.0.0/24 [20/0] via 10.1.10.2, 02:14:53
O E2     10.100.0.101/32 [110/1] via 10.1.40.1, 00:40:36, Vlan40
                         [110/1] via 10.1.30.2, 01:10:24, Vlan30
B        10.100.0.103/32 [20/0] via 10.1.10.2, 02:13:02
B        10.100.0.105/32 [20/0] via 10.1.10.2, 02:13:17
B        10.200.0.0/24 [20/0] via 10.1.10.2, 02:14:53
O E2     10.200.0.101/32 [110/1] via 10.1.40.1, 00:40:36, Vlan40
                         [110/1] via 10.1.30.2, 01:10:24, Vlan30
B        10.200.0.103/32 [20/0] via 10.1.10.2, 02:13:00
B        10.200.0.104/32 [20/0] via 10.1.10.2, 00:09:50
B        10.200.0.105/32 [20/0] via 10.1.10.2, 02:12:49
B        10.200.0.106/32 [20/0] via 10.1.10.2, 00:10:42
hostname DCA-BB-B
interface Loopback0
 ip address 10.1.100.2 255.255.255.255
!
interface GigabitEthernet0/0
 no switchport
 ip address 10.1.10.5 255.255.255.252
 negotiation auto
!
interface GigabitEthernet0/1
 switchport trunk encapsulation dot1q
 switchport mode trunk
 negotiation auto
!
interface GigabitEthernet0/2
 switchport access vlan 40
 switchport mode access
 negotiation auto
!
interface GigabitEthernet0/3
 switchport access vlan 40
 switchport mode access
 negotiation auto
!
interface Vlan30
 ip address 10.1.30.2 255.255.255.0
!
interface Vlan40
 ip address 10.1.40.1 255.255.255.0
!
router ospf 100
 router-id 10.1.100.2
 redistribute bgp 65100 subnets
 network 10.1.30.0 0.0.0.255 area 0
 network 10.1.40.0 0.0.0.255 area 0
 network 10.1.100.2 0.0.0.0 area 0
!
router bgp 65100
 bgp log-neighbor-changes
 neighbor 10.1.10.6 remote-as 65110
 neighbor 10.1.100.1 remote-as 65100
 neighbor 10.1.100.1 update-source Loopback0
 !
 address-family ipv4
  network 10.1.100.0 mask 255.255.255.0
  redistribute ospf 100
  neighbor 10.1.10.6 activate
  neighbor 10.1.100.1 activate
  neighbor 10.1.100.1 next-hop-self
 exit-address-family
!
ip route 10.1.100.0 255.255.255.0 Null0
end

DCA-BB-B#          sh ip bgp sum
Neighbor        V           AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  State/PfxRcd
10.1.10.6       4        65110     136     146       40    0    0 02:00:44        8
10.1.100.1      4        65100      98      97       40    0    0 01:14:51       15
DCA-BB-B#sh ip bgp neighbors 10.1.10.6 advertised-routes 
     Network          Next Hop            Metric LocPrf Weight Path
 *>   10.1.30.0/24     0.0.0.0                  0         32768 ?
 *>   10.1.40.0/24     0.0.0.0                  0         32768 ?
 *>   10.1.100.0/24    0.0.0.0                  0         32768 i
 *>   10.1.100.1/32    10.1.40.2                2         32768 ?
 *>   10.1.100.2/32    0.0.0.0                  0         32768 ?
 *>   10.1.100.3/32    10.1.40.253              2         32768 ?
 *>   10.1.100.4/32    10.1.40.254              2         32768 ?
 r>i  10.100.0.103/32  10.1.100.1               0    100      0 65110 65000 i
 r>i  10.200.0.103/32  10.1.100.1               0    100      0 65110 65000 i

Total number of prefixes 9 
DCA-BB-B#sh ip route
      10.0.0.0/8 is variably subnetted, 21 subnets, 3 masks
C        10.1.10.4/30 is directly connected, GigabitEthernet0/0
L        10.1.10.5/32 is directly connected, GigabitEthernet0/0
C        10.1.30.0/24 is directly connected, Vlan30
L        10.1.30.2/32 is directly connected, Vlan30
C        10.1.40.0/24 is directly connected, Vlan40
L        10.1.40.1/32 is directly connected, Vlan40
S        10.1.100.0/24 is directly connected, Null0
O        10.1.100.1/32 [110/2] via 10.1.40.2, 00:41:52, Vlan40
                       [110/2] via 10.1.30.1, 01:21:58, Vlan30
C        10.1.100.2/32 is directly connected, Loopback0
O        10.1.100.3/32 [110/2] via 10.1.40.253, 00:41:52, Vlan40
                       [110/2] via 10.1.30.254, 01:20:10, Vlan30
O        10.1.100.4/32 [110/2] via 10.1.40.254, 00:41:52, Vlan40
                       [110/2] via 10.1.30.253, 00:49:25, Vlan30
B        10.100.0.0/24 [20/0] via 10.1.10.6, 02:01:01
B        10.100.0.101/32 [20/0] via 10.1.10.6, 02:01:01
O E2     10.100.0.103/32 [110/1] via 10.1.40.2, 00:41:52, Vlan40
                         [110/1] via 10.1.30.1, 01:11:56, Vlan30
B        10.100.0.105/32 [20/0] via 10.1.10.6, 02:01:01
B        10.200.0.0/24 [20/0] via 10.1.10.6, 02:01:01
B        10.200.0.101/32 [20/0] via 10.1.10.6, 02:01:01
O E2     10.200.0.103/32 [110/1] via 10.1.40.2, 00:41:52, Vlan40
                         [110/1] via 10.1.30.1, 01:11:56, Vlan30
B        10.200.0.104/32 [20/0] via 10.1.10.6, 00:11:06
B        10.200.0.105/32 [20/0] via 10.1.10.6, 02:01:01
B        10.200.0.106/32 [20/0] via 10.1.10.6, 00:11:58

 

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