ネットワーク構成
excel やVisioではなくEVENGを使用しています。
正常経路
ISR5→ISR1→ISR3→ISRv
リンク障害 項番1 ISR1 Gi1-ISR3 Gi1 閉塞
R5→R1→R2→R4→R3→R6
リンク障害 項番2 ISR5 Gi1-ISR1 Gi3 閉塞
R5→R2→R1→R3→R6
筐体障害 ISR 1
R5→R2→R1→R3→R6
-------投入コンフィグ-------
■ISR1■
conf t
hostname ISR1
!
interface GigabitEthernet1
ip address 10.1.13.1 255.255.255.0
no sh
!
interface GigabitEthernet2
ip address 10.1.12.1 255.255.255.0
no sh
!
interface GigabitEthernet3
ip address 172.16.15.1 255.255.255.0
no sh
!
router ospf 1
redistribute bgp 65001 metric 100 metric-type 1 subnets
network 172.16.15.0 0.0.0.255 area 0
!
router bgp 65001
bgp log-neighbor-changes
timers bgp 10 30
neighbor 10.1.12.2 remote-as 65001
neighbor 10.1.12.2 password 0123456789
neighbor 10.1.13.3 remote-as 65002
neighbor 10.1.13.3 password 0123456789
!
address-family ipv4
bgp redistribute-internal
network 192.168.5.0
neighbor 10.1.12.2 activate
neighbor 10.1.12.2 next-hop-self
neighbor 10.1.12.2 soft-reconfiguration inbound
neighbor 10.1.13.3 activate
neighbor 10.1.13.3 soft-reconfiguration inbound
neighbor 10.1.13.3 route-map LP in
neighbor 10.1.13.3 route-map MED out
neighbor 10.1.13.3 filter-list 1 out
exit-address-family
!
!
!
!
ip as-path access-list 1 permit ^$
ip as-path access-list 2 permit ^65002_
!
access-list 1 permit 192.168.5.0 0.0.0.255
!
!
route-map LP permit 10
match as-path 2
set local-preference 200
!
route-map MED permit 10
match ip address 1
set metric 110
■ISR2■
conf t
!
hostname ISR2
!
interface GigabitEthernet1
ip address 10.1.24.2 255.255.255.0
no sh
!
interface GigabitEthernet2
ip address 10.1.12.2 255.255.255.0
no sh
!
interface GigabitEthernet3
ip address 172.16.25.2 255.255.255.0
no sh
!
router ospf 1
network 172.16.25.0 0.0.0.255 area 0
!
router bgp 65001
bgp log-neighbor-changes
timers bgp 10 30
neighbor 10.1.12.1 remote-as 65001
neighbor 10.1.12.1 password 0123456789
neighbor 10.1.24.4 remote-as 65002
neighbor 10.1.24.4 password 0123456789
!
address-family ipv4
network 192.168.5.0
neighbor 10.1.12.1 activate
neighbor 10.1.12.1 next-hop-self
neighbor 10.1.12.1 soft-reconfiguration inbound
neighbor 10.1.24.4 activate
neighbor 10.1.24.4 soft-reconfiguration inbound
neighbor 10.1.24.4 route-map LP in
neighbor 10.1.24.4 route-map MED out
neighbor 10.1.24.4 filter-list 1 out
distance bgp 20 100 200
exit-address-family
!
!
!
ip as-path access-list 1 permit ^$
ip as-path access-list 2 permit ^65002_
!
access-list 1 permit 192.168.5.0 0.0.0.255
!
!
route-map LP permit 10
match as-path 2
set local-preference 150
!
route-map MED permit 10
match ip address 1
set metric 120
■ISR3■
conf t
!
hostname ISR3
!
interface GigabitEthernet1
ip address 10.1.13.3 255.255.255.0
no sh
!
interface GigabitEthernet2
ip address 10.1.34.3 255.255.255.0
no sh
!
interface GigabitEthernet3
ip address 172.16.36.3 255.255.255.0
no sh
!
router ospf 1
redistribute bgp 65002 metric 100 metric-type 1 subnets
network 172.16.36.0 0.0.0.255 area 0
!
router bgp 65002
bgp log-neighbor-changes
timers bgp 10 30
neighbor 10.1.13.1 remote-as 65001
neighbor 10.1.13.1 password 0123456789
neighbor 10.1.34.4 remote-as 65002
neighbor 10.1.34.4 password 0123456789
!
address-family ipv4
bgp redistribute-internal
network 192.168.6.0
neighbor 10.1.13.1 activate
neighbor 10.1.13.1 soft-reconfiguration inbound
neighbor 10.1.13.1 route-map LP in
neighbor 10.1.13.1 route-map MED out
neighbor 10.1.13.1 filter-list 1 out
neighbor 10.1.34.4 activate
neighbor 10.1.34.4 next-hop-self
neighbor 10.1.34.4 soft-reconfiguration inbound
exit-address-family
!
!
!
ip as-path access-list 1 permit ^$
ip as-path access-list 2 permit ^65001_
!
access-list 1 permit 192.168.6.0 0.0.0.255
!
!
route-map LP permit 10
match as-path 2
set local-preference 200
!
route-map MED permit 10
match ip address 1
set metric 110
■ISR4■
conf t
!
hostname ISR4
!interface GigabitEthernet1
ip address 10.1.24.4 255.255.255.0
no sh
!
interface GigabitEthernet2
ip address 10.1.34.4 255.255.255.0
no sh
!
interface GigabitEthernet3
ip address 172.16.46.4 255.255.255.0
no sh
!
router ospf 1
network 172.16.46.0 0.0.0.255 area 0
!
router bgp 65002
bgp log-neighbor-changes
timers bgp 10 30
neighbor 10.1.24.2 remote-as 65001
neighbor 10.1.24.2 password 0123456789
neighbor 10.1.34.3 remote-as 65002
neighbor 10.1.34.3 password 0123456789
!
address-family ipv4
network 192.168.6.0
neighbor 10.1.24.2 activate
neighbor 10.1.24.2 soft-reconfiguration inbound
neighbor 10.1.24.2 route-map LP in
neighbor 10.1.24.2 route-map MED out
neighbor 10.1.24.2 filter-list 1 out
neighbor 10.1.34.3 activate
neighbor 10.1.34.3 next-hop-self
neighbor 10.1.34.3 soft-reconfiguration inbound
distance bgp 20 100 200
exit-address-family
!
!
virtual-service csr_mgmt
!
ip as-path access-list 1 permit ^$
ip as-path access-list 2 permit ^65001_
!
access-list 1 permit 192.168.6.0 0.0.0.255
!
!
route-map LP permit 10
match as-path 2
set local-preference 150
!
route-map MED permit 10
match ip address 1
set metric 120
■ISR5■
conf t
hostname ISR5
!
interface Loopback1
ip address 192.168.5.5 255.255.255.0
ip ospf network point-to-point
!
interface GigabitEthernet1
ip address 172.16.15.5 255.255.255.0
no sh
!
interface GigabitEthernet2
ip address 172.16.25.5 255.255.255.0
no sh
!
!
router ospf 1
network 172.16.15.0 0.0.0.255 area 0
network 172.16.25.0 0.0.0.255 area 0
network 192.168.5.0 0.0.0.255 area 0
!
ip route 192.168.6.0 255.255.255.0 172.16.25.2 200
■ISR-6■
conf t
hostname ISR6
!
interface Loopback1
ip address 192.168.6.6 255.255.255.0
ip ospf network point-to-point
!
interface GigabitEthernet1
ip address 172.16.36.6 255.255.255.0
no sh
!
interface GigabitEthernet2
ip address 172.16.46.6 255.255.255.0
no sh
!
router ospf 1
network 172.16.36.0 0.0.0.255 area 0
network 172.16.46.0 0.0.0.255 area 0
network 192.168.6.0 0.0.0.255 area 0
