マルチホーミングは、シングルアクティブおよびオールアクティブ冗長モードで動作します。どちらのモードでも、接続されたホストまたはアクセスデバイスはイーサネットセグメント ID で表されます。このイーサネットセグメント ID は、マルチホームホストまたはネットワークデバイスを接続する
VTEP のインターフェイスの設定の一部である必要があります。VTEP とホスト(またはレイヤ 2 スイッチ)間で転送されるすべてのトラフィックは、このイーサネットセグメントを通過します。
interface Loopback1
ip address 172.16.254.4 255.255.255.255
ip ospf 1 area 0
!
interface GigabitEthernet0/0
vrf forwarding Mgmt-vrf
ip address 10.62.149.182 255.255.255.0
negotiation auto
!
interface GigabitEthernet1/0/1
no switchport
ip address 172.16.14.4 255.255.255.0
ip ospf network point-to-point
ip ospf 1 area 0
!
interface GigabitEthernet1/0/2
no switchport
ip address 172.16.24.4 255.255.255.0
ip ospf network point-to-point
ip ospf 1 area 0
!
interface GigabitEthernet1/0/10
switchport access vlan 101
switchport mode access
evpn ethernet-segment 1
spanning-tree portfast
!
interface Vlan101
vrf forwarding green
ip address 10.1.101.1 255.255.255.0
no autostate
!
interface Vlan901
vrf forwarding green
ip unnumbered Loopback1
ipv6 enable
no autostate
!
interface nve1
no ip address
source-interface Loopback1
host-reachability protocol bgp
member vni 10101 ingress-replication
member vni 50901 vrf green
interface Loopback1
ip address 172.16.254.5 255.255.255.255
ip ospf 1 area 0
!
interface GigabitEthernet0/0
vrf forwarding Mgmt-vrf
ip address 10.62.149.183 255.255.255.0
negotiation auto
!
interface GigabitEthernet1/0/1
no switchport
ip address 172.16.15.5 255.255.255.0
ip ospf network point-to-point
ip ospf 1 area 0
!
interface GigabitEthernet1/0/2
no switchport
ip address 172.16.25.5 255.255.255.0
ip ospf network point-to-point
ip ospf 1 area 0
!
interface GigabitEthernet1/0/10
switchport access vlan 101
switchport mode access
evpn ethernet-segment 1
spanning-tree portfast
!
interface Vlan101
vrf forwarding green
ip address 10.1.101.1 255.255.255.0
!
interface Vlan901
vrf forwarding green
ip unnumbered Loopback1
ipv6 enable
no autostate
!
interface nve1
no ip address
source-interface Loopback1
host-reachability protocol bgp
member vni 10101 ingress-replication
member vni 50901 vrf green
Spine-01# show running-config
hostname Spine-01
!
ip routing
!
system mtu 9198
!
interface Loopback0
ip address 172.16.255.1 255.255.255.255
ip ospf 1 area 0
!
interface GigabitEthernet0/0
vrf forwarding Mgmt-vrf
ip address 10.62.149.180 255.255.255.0
negotiation auto
!
interface GigabitEthernet1/0/1
no switchport
ip address 172.16.13.1 255.255.255.0
ip pim sparse-mode
ip ospf network point-to-point
ip ospf 1 area 0
!
interface GigabitEthernet1/0/2
no switchport
ip address 172.16.14.1 255.255.255.0
ip pim sparse-mode
ip ospf network point-to-point
ip ospf 1 area 0
!
interface GigabitEthernet1/0/3
no switchport
ip address 172.16.15.1 255.255.255.0
ip pim sparse-mode
ip ospf network point-to-point
ip ospf 1 area 0
!
router ospf 1
router-id 172.16.255.1
!
Spine-01# show running-config
hostname Spine-01
!
ip routing
!
system mtu 9198
!
interface Loopback0
ip address 172.16.255.1 255.255.255.255
ip ospf 1 area 0
!
interface GigabitEthernet0/0
vrf forwarding Mgmt-vrf
ip address 10.62.149.180 255.255.255.0
negotiation auto
!
interface GigabitEthernet1/0/1
no switchport
ip address 172.16.13.1 255.255.255.0
ip pim sparse-mode
ip ospf network point-to-point
ip ospf 1 area 0
!
interface GigabitEthernet1/0/2
no switchport
ip address 172.16.14.1 255.255.255.0
ip pim sparse-mode
ip ospf network point-to-point
ip ospf 1 area 0
!
interface GigabitEthernet1/0/3
no switchport
ip address 172.16.15.1 255.255.255.0
ip pim sparse-mode
ip ospf network point-to-point
ip ospf 1 area 0
!
router ospf 1
router-id 172.16.255.1
!
Leaf-01# show running-config
hostname Leaf-01
!
vrf definition green
rd 1:1
!
address-family ipv4
route-target export 1:1
route-target import 1:1
route-target export 1:1 stitching
route-target import 1:1 stitching
exit-address-family
!
address-family ipv6
route-target export 1:1
route-target import 1:1
route-target export 1:1 stitching
route-target import 1:1 stitching
exit-address-family
!
ip routing
!
l2vpn evpn
replication-type static
router-id Loopback1
default-gateway advertise
!
l2vpn evpn instance 101 vlan-based
encapsulation vxlan
replication-type ingress
!
!
system mtu 9198
!
vlan configuration 101
member evpn-instance 101 vni 10101
vlan configuration 901
member vni 50901
!
interface Loopback0
ip address 172.16.255.3 255.255.255.255
ip ospf 1 area 0
!
interface Loopback1
ip address 172.16.254.3 255.255.255.255
ip ospf 1 area 0
!
interface GigabitEthernet0/0
vrf forwarding Mgmt-vrf
ip address 10.62.149.179 255.255.255.0
negotiation auto
!
interface GigabitEthernet1/0/1
no switchport
ip address 172.16.13.3 255.255.255.0
ip ospf network point-to-point
ip ospf 1 area 0
!
interface GigabitEthernet1/0/2
no switchport
ip address 172.16.23.3 255.255.255.0
ip ospf network point-to-point
ip ospf 1 area 0
!
interface GigabitEthernet1/0/10
switchport access vlan 101
switchport mode access
spanning-tree portfast
!
interface Vlan101
vrf forwarding green
ip address 10.1.101.1 255.255.255.0
!
interface Vlan901
vrf forwarding green
ip unnumbered Loopback1
ipv6 enable
no autostate
!
interface nve1
no ip address
source-interface Loopback1
host-reachability protocol bgp
member vni 10101 ingress-replication
member vni 50901 vrf green
!
router ospf 1
router-id 172.16.255.3
!
次に、VTEP 2 での show l2route evpn mac esi ethernet-segment-id コマンドの出力例を示します。
Leaf-02# show l2route evpn mac esi 0001.0101.0101.0101.0101
EVI ETag Prod Mac Address Next Hop(s) Seq Number
----- ---------- ----- -------------- ---------------------------- ----------
101 0 BGP 44d3.ca28.6c82 V:10101 172.16.254.5 0
101 0 BGP 44d3.ca28.6cc2 V:10101 172.16.254.5 0
Leaf-02#
次に、VTEP 2 での show l2route evpn mac esi ethernet-segment-id detail コマンドの出力例を示します。
Leaf-02# show l2route evpn mac esi 0001.0101.0101.0101.0101 detail
EVPN Instance: 101
Ethernet Tag: 0
Producer Name: BGP
MAC Address: 44d3.ca28.6c82
Num of MAC IP Route(s): 0
Sequence Number: 0
ESI: 0001.0101.0101.0101.0101
Flags: B()
Next Hop(s): V:10101 172.16.254.5
Resolved Next Hops: V:10101 172.16.254.5
Resolved Redundancy Mode: Single-Active
EVPN Instance: 101
Ethernet Tag: 0
Producer Name: BGP
MAC Address: 44d3.ca28.6cc2
Num of MAC IP Route(s): 0
Sequence Number: 0
ESI: 0001.0101.0101.0101.0101
Flags: B()
Next Hop(s): V:10101 172.16.254.5
Resolved Next Hops: V:10101 172.16.254.5
Resolved Redundancy Mode: Single-Active
Leaf-02#
Leaf-03# show bgp l2vpn evpn route-type 4
BGP routing table entry for [4][172.16.255.4:257][00010101010101010101][32][172.16.254.4]/23, version 337
Paths: (2 available, best #2, table EVPN-BGP-Table)
Not advertised to any peer
Refresh Epoch 5
Local
172.16.254.4 (metric 3) (via default) from 172.16.255.2 (172.16.255.2)
Origin incomplete, metric 0, localpref 100, valid, internal
Extended Community: ENCAP:8 EVPN ES-IMPORT:0x101:0x101:0x101
Originator: 172.16.255.4, Cluster list: 172.16.255.2
rx pathid: 0, tx pathid: 0
Updated on Jan 26 2021 19:38:35 UTC
Refresh Epoch 5
Local
172.16.254.4 (metric 3) (via default) from 172.16.255.1 (172.16.255.1)
Origin incomplete, metric 0, localpref 100, valid, internal, best
Extended Community: ENCAP:8 EVPN ES-IMPORT:0x101:0x101:0x101
Originator: 172.16.255.4, Cluster list: 172.16.255.1
rx pathid: 0, tx pathid: 0x0
Updated on Jan 26 2021 19:38:35 UTC
BGP routing table entry for [4][172.16.255.5:257][00010101010101010101][32][172.16.254.5]/23, version 1269
Paths: (1 available, best #1, table EVPN-BGP-Table)
Advertised to update-groups:
2
Refresh Epoch 1
Local
:: (via default) from 0.0.0.0 (172.16.255.5)
Origin incomplete, localpref 100, weight 32768, valid, sourced, local, best
Local vtep: 172.16.254.5
Extended Community: ENCAP:8 EVPN ES-IMPORT:0x101:0x101:0x101
rx pathid: 0, tx pathid: 0x0
Updated on Jan 26 2021 19:40:14 UTC
Leaf-03#
次に、VTEP 3 での show bgp l2vpn evpn evi evpn-instance コマンドの出力例を示します。
Leaf-03# show bgp l2vpn evpn evi 101
BGP table version is 1284, local router ID is 172.16.255.5
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,
t secondary path, L long-lived-stale,
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: 172.16.254.5:101
*> [1][172.16.254.5:101][00010101010101010101][0]/23
:: 32768 ?
*mi 172.16.254.4 0 100 0 ?
*>i [2][172.16.254.5:101][0][48][10B3D56A8FC1][32][10.1.101.1]/24
172.16.254.3 0 100 0 ?
*> [2][172.16.254.5:101][0][48][44D3CA286C82][0][*]/20
:: 32768 ?
*> [2][172.16.254.5:101][0][48][44D3CA286CC2][0][*]/20
:: 32768 ?
*> [2][172.16.254.5:101][0][48][7C210DBD2741][32][10.1.101.1]/24
:: 32768 ?
*>i [2][172.16.254.5:101][0][48][7C210DBD9541][32][10.1.101.1]/24
172.16.254.4 0 100 0 ?
*>i [2][172.16.254.5:101][0][48][F4CFE24334C1][0][*]/20
172.16.254.3 0 100 0 ?
*>i [2][172.16.254.5:101][0][48][F4CFE24334C1][32][10.1.101.11]/24
172.16.254.3 0 100 0 ?
*>i [3][172.16.254.5:101][0][32][172.16.254.3]/17
172.16.254.3 0 100 0 ?
*>i [3][172.16.254.5:101][0][32][172.16.254.4]/17
172.16.254.4 0 100 0 ?
*> [3][172.16.254.5:101][0][32][172.16.254.5]/17
:: 32768 ?
Leaf-03#
次に、VTEP 3 での show l2route evpn mac コマンドの出力例を示します。
Leaf-03# show l2route evpn mac
EVI ETag Prod Mac Address Next Hop(s) Seq Number
----- ---------- ----- -------------- ---------------------------- ----------
101 0 BGP 10b3.d56a.8fc1 V:10101 172.16.254.3 0
101 0 L2VPN 44d3.ca28.6c82 Gi1/0/10:101 0
101 0 L2VPN 44d3.ca28.6cc2 Gi1/0/10:101 0
101 0 L2VPN 7c21.0dbd.2741 Vl101:0 0
101 0 BGP 7c21.0dbd.9541 V:10101 172.16.254.4 0
101 0 BGP f4cf.e243.34c1 V:10101 172.16.254.3 0
Leaf-03#
次に、VTEP 3 での show l2route evpn mac esi ethernet-segment-id コマンドの出力例を示します。
Leaf-03# show l2route evpn mac esi 0001.0101.0101.0101.0101
EVI ETag Prod Mac Address Next Hop(s) Seq Number
----- ---------- ----- -------------- ---------------------------- ----------
101 0 L2VPN 44d3.ca28.6c82 Gi1/0/10:101 0
101 0 L2VPN 44d3.ca28.6cc2 Gi1/0/10:101 0
Leaf-03#
次に、VTEP 3 での show l2route evpn mac esi ethernet-segment-id detail コマンドの出力例を示します。
Leaf-03# show l2route evpn mac esi 0001.0101.0101.0101.0101 detail
EVPN Instance: 101
Ethernet Tag: 0
Producer Name: L2VPN
MAC Address: 44d3.ca28.6c82
Num of MAC IP Route(s): 0
Sequence Number: 0
ESI: 0001.0101.0101.0101.0101
Flags: B()
Next Hop(s): Gi1/0/10:101
EVPN Instance: 101
Ethernet Tag: 0
Producer Name: L2VPN
MAC Address: 44d3.ca28.6cc2
Num of MAC IP Route(s): 0
Sequence Number: 0
ESI: 0001.0101.0101.0101.0101
Flags: B()
Next Hop(s): Gi1/0/10:101
Leaf-03#
次に、スパインスイッチ 1 での show bgp l2vpn evpn summary コマンドの出力例を示します。
Spine-01# show bgp l2vpn evpn summary
BGP router identifier 172.16.255.1, local AS number 65001
BGP table version is 5443, main routing table version 5443
17 network entries using 5848 bytes of memory
34 path entries using 7072 bytes of memory
13/11 BGP path/bestpath attribute entries using 3744 bytes of memory
3 BGP rrinfo entries using 120 bytes of memory
10 BGP extended community entries using 480 bytes of memory
0 BGP route-map cache entries using 0 bytes of memory
0 BGP filter-list cache entries using 0 bytes of memory
BGP using 17264 total bytes of memory
BGP activity 101/84 prefixes, 2825/2791 paths, scan interval 60 secs
25 networks peaked at 14:54:41 Jan 26 2021 UTC (05:39:56.356 ago)
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
172.16.255.2 4 65001 5664 5668 5443 0 0 05:40:29 15
172.16.255.3 4 65001 378 5690 5443 0 0 05:35:23 5
172.16.255.4 4 65001 440 1633 5443 0 0 03:36:33 6
172.16.255.5 4 65001 594 5296 5443 0 0 04:34:27 8
Spine-01#
次に、スパインスイッチ 1 での show bgp l2vpn evpn コマンドの出力例を示します。
Spine-01# show bgp l2vpn evpn
BGP table version is 5443, local router ID is 172.16.255.1
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,
t secondary path, L long-lived-stale,
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: 172.16.254.4:7
*>i [1][172.16.254.4:7][00010101010101010101][4294967295]/23
172.16.254.4 0 100 0 ?
Route Distinguisher: 172.16.254.4:101
*>i [1][172.16.254.4:101][00010101010101010101][0]/23
172.16.254.4 0 100 0 ?
Route Distinguisher: 172.16.254.5:9
*>i [1][172.16.254.5:9][00010101010101010101][4294967295]/23
172.16.254.5 0 100 0 ?
* i 172.16.254.5 0 100 0 ?
Route Distinguisher: 172.16.254.5:101
*>i [1][172.16.254.5:101][00010101010101010101][0]/23
172.16.254.5 0 100 0 ?
* i 172.16.254.5 0 100 0 ?
Route Distinguisher: 172.16.254.3:101
* i [2][172.16.254.3:101][0][48][10B3D56A8FC1][32][10.1.101.1]/24
172.16.254.3 0 100 0 ?
*>i 172.16.254.3 0 100 0 ?
* i [2][172.16.254.3:101][0][48][F4CFE24334C1][0][*]/20
172.16.254.3 0 100 0 ?
*>i 172.16.254.3 0 100 0 ?
* i [2][172.16.254.3:101][0][48][F4CFE24334C1][32][10.1.101.11]/24
172.16.254.3 0 100 0 ?
*>i 172.16.254.3 0 100 0 ?
Route Distinguisher: 172.16.254.4:101
* i [2][172.16.254.4:101][0][48][7C210DBD9541][32][10.1.101.1]/24
172.16.254.4 0 100 0 ?
*>i 172.16.254.4 0 100 0 ?
Route Distinguisher: 172.16.254.5:101
* i [2][172.16.254.5:101][0][48][44D3CA286C82][0][*]/20
172.16.254.5 0 100 0 ?
*>i 172.16.254.5 0 100 0 ?
* i [2][172.16.254.5:101][0][48][44D3CA286CC2][0][*]/20
172.16.254.5 0 100 0 ?
*>i 172.16.254.5 0 100 0 ?
* i [2][172.16.254.5:101][0][48][7C210DBD2741][32][10.1.101.1]/24
172.16.254.5 0 100 0 ?
*>i 172.16.254.5 0 100 0 ?
Route Distinguisher: 172.16.254.3:101
* i [3][172.16.254.3:101][0][32][172.16.254.3]/17
172.16.254.3 0 100 0 ?
*>i 172.16.254.3 0 100 0 ?
Route Distinguisher: 172.16.254.4:101
* i [3][172.16.254.4:101][0][32][172.16.254.4]/17
172.16.254.4 0 100 0 ?
*>i 172.16.254.4 0 100 0 ?
Route Distinguisher: 172.16.254.5:101
* i [3][172.16.254.5:101][0][32][172.16.254.5]/17
172.16.254.5 0 100 0 ?
*>i 172.16.254.5 0 100 0 ?
Route Distinguisher: 172.16.255.4:257
* i [4][172.16.255.4:257][00010101010101010101][32][172.16.254.4]/23
172.16.254.4 0 100 0 ?
*>i 172.16.254.4 0 100 0 ?
Route Distinguisher: 172.16.255.5:257
* i [4][172.16.255.5:257][00010101010101010101][32][172.16.254.5]/23
172.16.254.5 0 100 0 ?
*>i 172.16.254.5 0 100 0 ?
Route Distinguisher: 1:1
* i [5][1:1][0][24][10.1.101.0]/17
172.16.254.5 0 100 0 ?
* i 172.16.254.4 0 100 0 ?
*>i 172.16.254.3 0 100 0 ?
* i 172.16.254.3 0 100 0 ?
Spine-01#
次に、スパインスイッチ 1 での show ip route コマンドの出力例を示します。
Spine-01# show ip route
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, 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, m - OMP
n - NAT, Ni - NAT inside, No - NAT outside, Nd - NAT DIA
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
H - NHRP, G - NHRP registered, g - NHRP registration summary
o - ODR, P - periodic downloaded static route, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 17 subnets, 2 masks
C 172.16.13.0/24 is directly connected, GigabitEthernet1/0/1
L 172.16.13.1/32 is directly connected, GigabitEthernet1/0/1
C 172.16.14.0/24 is directly connected, GigabitEthernet1/0/2
L 172.16.14.1/32 is directly connected, GigabitEthernet1/0/2
C 172.16.15.0/24 is directly connected, GigabitEthernet1/0/3
L 172.16.15.1/32 is directly connected, GigabitEthernet1/0/3
O 172.16.23.0/24
[110/2] via 172.16.13.3, 05:35:46, GigabitEthernet1/0/1
O 172.16.24.0/24
[110/2] via 172.16.14.4, 03:37:00, GigabitEthernet1/0/2
O 172.16.25.0/24
[110/2] via 172.16.15.5, 03:38:33, GigabitEthernet1/0/3
O 172.16.254.3/32
[110/2] via 172.16.13.3, 05:35:46, GigabitEthernet1/0/1
O 172.16.254.4/32
[110/2] via 172.16.14.4, 03:36:50, GigabitEthernet1/0/2
O 172.16.254.5/32
[110/2] via 172.16.15.5, 03:38:33, GigabitEthernet1/0/3
C 172.16.255.1/32 is directly connected, Loopback0
O 172.16.255.2/32
[110/3] via 172.16.15.5, 03:38:33, GigabitEthernet1/0/3
[110/3] via 172.16.14.4, 03:37:00, GigabitEthernet1/0/2
[110/3] via 172.16.13.3, 05:35:46, GigabitEthernet1/0/1
O 172.16.255.3/32
[110/2] via 172.16.13.3, 05:35:46, GigabitEthernet1/0/1
O 172.16.255.4/32
[110/2] via 172.16.14.4, 03:36:56, GigabitEthernet1/0/2
O 172.16.255.5/32
[110/2] via 172.16.15.5, 03:38:33, GigabitEthernet1/0/3
Spine-01#
次に、スパインスイッチ 2 での show bgp l2vpn evpn summary コマンドの出力例を示します。
Spine-02# show bgp l2vpn evpn summary
BGP router identifier 172.16.255.2, local AS number 65001
BGP table version is 5499, main routing table version 5499
17 network entries using 5848 bytes of memory
34 path entries using 7072 bytes of memory
13/11 BGP path/bestpath attribute entries using 3744 bytes of memory
3 BGP rrinfo entries using 120 bytes of memory
10 BGP extended community entries using 480 bytes of memory
0 BGP route-map cache entries using 0 bytes of memory
0 BGP filter-list cache entries using 0 bytes of memory
BGP using 17264 total bytes of memory
BGP activity 101/84 prefixes, 2823/2789 paths, scan interval 60 secs
25 networks peaked at 14:56:03 Jan 26 2021 UTC (05:40:54.652 ago)
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
172.16.255.1 4 65001 5669 5665 5499 0 0 05:41:28 15
172.16.255.3 4 65001 381 5691 5499 0 0 05:36:22 5
172.16.255.4 4 65001 440 1632 5499 0 0 03:37:31 6
172.16.255.5 4 65001 594 5291 5499 0 0 04:35:26 8
Spine-02#
次に、スパインスイッチ 2 での show bgp l2vpn evpn コマンドの出力例を示します。
Spine-02# show bgp l2vpn evpn
BGP table version is 5499, local router ID is 172.16.255.2
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,
t secondary path, L long-lived-stale,
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: 172.16.254.4:7
*>i [1][172.16.254.4:7][00010101010101010101][4294967295]/23
172.16.254.4 0 100 0 ?
* i 172.16.254.4 0 100 0 ?
Route Distinguisher: 172.16.254.4:101
*>i [1][172.16.254.4:101][00010101010101010101][0]/23
172.16.254.4 0 100 0 ?
* i 172.16.254.4 0 100 0 ?
Route Distinguisher: 172.16.254.5:9
*>i [1][172.16.254.5:9][00010101010101010101][4294967295]/23
172.16.254.5 0 100 0 ?
Route Distinguisher: 172.16.254.5:101
*>i [1][172.16.254.5:101][00010101010101010101][0]/23
172.16.254.5 0 100 0 ?
Route Distinguisher: 172.16.254.3:101
* i [2][172.16.254.3:101][0][48][10B3D56A8FC1][32][10.1.101.1]/24
172.16.254.3 0 100 0 ?
*>i 172.16.254.3 0 100 0 ?
* i [2][172.16.254.3:101][0][48][F4CFE24334C1][0][*]/20
172.16.254.3 0 100 0 ?
*>i 172.16.254.3 0 100 0 ?
* i [2][172.16.254.3:101][0][48][F4CFE24334C1][32][10.1.101.11]/24
172.16.254.3 0 100 0 ?
*>i 172.16.254.3 0 100 0 ?
Route Distinguisher: 172.16.254.4:101
* i [2][172.16.254.4:101][0][48][7C210DBD9541][32][10.1.101.1]/24
172.16.254.4 0 100 0 ?
*>i 172.16.254.4 0 100 0 ?
Route Distinguisher: 172.16.254.5:101
* i [2][172.16.254.5:101][0][48][44D3CA286C82][0][*]/20
172.16.254.5 0 100 0 ?
*>i 172.16.254.5 0 100 0 ?
* i [2][172.16.254.5:101][0][48][44D3CA286CC2][0][*]/20
172.16.254.5 0 100 0 ?
*>i 172.16.254.5 0 100 0 ?
* i [2][172.16.254.5:101][0][48][7C210DBD2741][32][10.1.101.1]/24
172.16.254.5 0 100 0 ?
*>i 172.16.254.5 0 100 0 ?
Route Distinguisher: 172.16.254.3:101
* i [3][172.16.254.3:101][0][32][172.16.254.3]/17
172.16.254.3 0 100 0 ?
*>i 172.16.254.3 0 100 0 ?
Route Distinguisher: 172.16.254.4:101
* i [3][172.16.254.4:101][0][32][172.16.254.4]/17
172.16.254.4 0 100 0 ?
*>i 172.16.254.4 0 100 0 ?
Route Distinguisher: 172.16.254.5:101
* i [3][172.16.254.5:101][0][32][172.16.254.5]/17
172.16.254.5 0 100 0 ?
*>i 172.16.254.5 0 100 0 ?
Route Distinguisher: 172.16.255.4:257
* i [4][172.16.255.4:257][00010101010101010101][32][172.16.254.4]/23
172.16.254.4 0 100 0 ?
*>i 172.16.254.4 0 100 0 ?
Route Distinguisher: 172.16.255.5:257
* i [4][172.16.255.5:257][00010101010101010101][32][172.16.254.5]/23
172.16.254.5 0 100 0 ?
*>i 172.16.254.5 0 100 0 ?
Route Distinguisher: 1:1
* i [5][1:1][0][24][10.1.101.0]/17
172.16.254.5 0 100 0 ?
* i 172.16.254.4 0 100 0 ?
*>i 172.16.254.3 0 100 0 ?
* i 172.16.254.3 0 100 0 ?
Spine-02#
次に、スパインスイッチ 2 での show ip route コマンドの出力例を示します。
Spine-02# show ip route
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, 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, m - OMP
n - NAT, Ni - NAT inside, No - NAT outside, Nd - NAT DIA
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
H - NHRP, G - NHRP registered, g - NHRP registration summary
o - ODR, P - periodic downloaded static route, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
172.16.0.0/16 is variably subnetted, 17 subnets, 2 masks
O 172.16.13.0/24
[110/2] via 172.16.23.3, 05:36:24, GigabitEthernet1/0/1
O 172.16.14.0/24
[110/2] via 172.16.24.4, 03:37:38, GigabitEthernet1/0/2
O 172.16.15.0/24
[110/2] via 172.16.25.5, 03:39:11, GigabitEthernet1/0/3
C 172.16.23.0/24 is directly connected, GigabitEthernet1/0/1
L 172.16.23.2/32 is directly connected, GigabitEthernet1/0/1
C 172.16.24.0/24 is directly connected, GigabitEthernet1/0/2
L 172.16.24.2/32 is directly connected, GigabitEthernet1/0/2
C 172.16.25.0/24 is directly connected, GigabitEthernet1/0/3
L 172.16.25.2/32 is directly connected, GigabitEthernet1/0/3
O 172.16.254.3/32
[110/2] via 172.16.23.3, 05:36:24, GigabitEthernet1/0/1
O 172.16.254.4/32
[110/2] via 172.16.24.4, 03:37:28, GigabitEthernet1/0/2
O 172.16.254.5/32
[110/2] via 172.16.25.5, 03:39:11, GigabitEthernet1/0/3
O 172.16.255.1/32
[110/3] via 172.16.25.5, 03:39:11, GigabitEthernet1/0/3
[110/3] via 172.16.24.4, 03:37:38, GigabitEthernet1/0/2
[110/3] via 172.16.23.3, 05:36:24, GigabitEthernet1/0/1
C 172.16.255.2/32 is directly connected, Loopback0
O 172.16.255.3/32
[110/2] via 172.16.23.3, 05:36:24, GigabitEthernet1/0/1
O 172.16.255.4/32
[110/2] via 172.16.24.4, 03:37:34, GigabitEthernet1/0/2
O 172.16.255.5/32
[110/2] via 172.16.25.5, 03:39:11, GigabitEthernet1/0/3
Spine-02#