CSR1
router isis 100
vrf C1
net 49.0000.0000.0000.0100.00
is-type level-2-only
metric-style wide
redistribute bgp 100
!
address-family ipv6
multi-topology
exit-address-family
!
router bgp 100
address-family ipv4 vrf C1
redistribute isis 100 level-2
exit-address-family
!
interface GigabitEthernet2
ip router isis 100
!
interface GigabitEthernet4
ip router isis 100
CSR5
router isis 100
vrf C1
net 49.0000.0000.0000.0105.00
is-type level-2-only
metric-style wide
redistribute bgp 100
!
address-family ipv6
multi-topology
exit-address-family
!
router bgp 100
address-family ipv4 vrf C1
redistribute isis 100 level-2
exit-address-family
!
interface GigabitEthernet2
ip router isis 100
CSR8
router isis 100
net 49.0000.0000.0000.0108.00
is-type level-2-only
metric-style wide
!
address-family ipv6
multi-topology
exit-address-family
!
interface GigabitEthernet3
ip router isis 100
!
interface Loopback101
ip router isis 100
IOS17
router isis 100
net 49.0000.0000.0000.0117.00
is-type level-2-only
metric-style wide
!
address-family ipv6
multi-topology
exit-address-family
!
interface GigabitEthernet0/0
ip router isis 100
!
interface Loopback101
ip router isis 100
IOS18
router isis 100
net 49.0000.0000.0000.0118.00
is-type level-2-only
metric-style wide
!
interface GigabitEthernet0/0
ip router isis 100
!
interface Loopback101
ip router isis 100
CSR1#show isis 100 neighbors
Tag 100:
System Id Type Interface IP Address State Holdtime Circuit Id
CSR8 L2 Gi4 101.1.8.8 UP 7 CSR8.01
IOS17 L2 Gi2 101.1.17.17 UP 8 IOS17.01
CSR5#show isis 100 neighbors
Tag 100:
System Id Type Interface IP Address State Holdtime Circuit Id
IOS18 L2 Gi2 101.5.18.18 UP 9 IOS18.01
CSR8#sh ip route isis
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
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
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
10.0.0.0/8 is variably subnetted, 6 subnets, 2 masks
i L2 10.101.17.0/24 [115/30] via 101.1.8.1, 00:09:56, GigabitEthernet3
i L2 10.101.18.0/24 [115/10] via 101.1.8.1, 00:05:32, GigabitEthernet3
101.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
i L2 101.1.17.0/24 [115/20] via 101.1.8.1, 00:09:56, GigabitEthernet3
IOS17#sh ip route isis
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
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
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
10.0.0.0/8 is variably subnetted, 6 subnets, 2 masks
i L2 10.101.8.0/24 [115/30] via 101.1.17.1, 00:05:40, GigabitEthernet0/0
i L2 10.101.18.0/24 [115/10] via 101.1.17.1, 00:04:14, GigabitEthernet0/0
101.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
i L2 101.1.8.0/24 [115/20] via 101.1.17.1, 00:05:40, GigabitEthernet0/0
IOS18#show ip route isis
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
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
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
10.0.0.0/8 is variably subnetted, 6 subnets, 2 masks
i L2 10.101.8.0/24 [115/10] via 101.5.18.5, 01:09:30, GigabitEthernet0/0
i L2 10.101.17.0/24 [115/10] via 101.5.18.5, 01:05:12, GigabitEthernet0/0
IOS18#traceroute 10.101.8.8 source loopback 101 num
Type escape sequence to abort.
Tracing the route to 10.101.8.8
VRF info: (vrf in name/id, vrf out name/id)
1 101.5.18.5 19 msec 6 msec 6 msec
2 10.3.5.3 [MPLS: Labels 33/26 Exp 0] 30 msec 19 msec 30 msec
3 101.1.8.1 [MPLS: Label 26 Exp 0] 15 msec 28 msec 11 msec
4 101.1.8.8 45 msec * 22 msec
IOS18#traceroute 10.101.17.17 source loopback 101 num
Type escape sequence to abort.
Tracing the route to 10.101.17.17
VRF info: (vrf in name/id, vrf out name/id)
1 101.5.18.5 15 msec 4 msec 6 msec
2 10.3.5.3 [MPLS: Labels 33/28 Exp 0] 32 msec 34 msec 22 msec
3 101.1.17.1 [MPLS: Label 28 Exp 0] 11 msec 12 msec 15 msec
4 101.1.17.17 22 msec * 31 msec
router isis 100
vrf C1
net 49.0000.0000.0000.0100.00
is-type level-2-only
metric-style wide
redistribute bgp 100
!
address-family ipv6
multi-topology
exit-address-family
!
router bgp 100
address-family ipv4 vrf C1
redistribute isis 100 level-2
exit-address-family
!
interface GigabitEthernet2
ip router isis 100
!
interface GigabitEthernet4
ip router isis 100
CSR5
router isis 100
vrf C1
net 49.0000.0000.0000.0105.00
is-type level-2-only
metric-style wide
redistribute bgp 100
!
address-family ipv6
multi-topology
exit-address-family
!
router bgp 100
address-family ipv4 vrf C1
redistribute isis 100 level-2
exit-address-family
!
interface GigabitEthernet2
ip router isis 100
CSR8
router isis 100
net 49.0000.0000.0000.0108.00
is-type level-2-only
metric-style wide
!
address-family ipv6
multi-topology
exit-address-family
!
interface GigabitEthernet3
ip router isis 100
!
interface Loopback101
ip router isis 100
IOS17
router isis 100
net 49.0000.0000.0000.0117.00
is-type level-2-only
metric-style wide
!
address-family ipv6
multi-topology
exit-address-family
!
interface GigabitEthernet0/0
ip router isis 100
!
interface Loopback101
ip router isis 100
IOS18
router isis 100
net 49.0000.0000.0000.0118.00
is-type level-2-only
metric-style wide
!
interface GigabitEthernet0/0
ip router isis 100
!
interface Loopback101
ip router isis 100
CSR1#show isis 100 neighbors
Tag 100:
System Id Type Interface IP Address State Holdtime Circuit Id
CSR8 L2 Gi4 101.1.8.8 UP 7 CSR8.01
IOS17 L2 Gi2 101.1.17.17 UP 8 IOS17.01
CSR5#show isis 100 neighbors
Tag 100:
System Id Type Interface IP Address State Holdtime Circuit Id
IOS18 L2 Gi2 101.5.18.18 UP 9 IOS18.01
CSR8#sh ip route isis
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
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
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
10.0.0.0/8 is variably subnetted, 6 subnets, 2 masks
i L2 10.101.17.0/24 [115/30] via 101.1.8.1, 00:09:56, GigabitEthernet3
i L2 10.101.18.0/24 [115/10] via 101.1.8.1, 00:05:32, GigabitEthernet3
101.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
i L2 101.1.17.0/24 [115/20] via 101.1.8.1, 00:09:56, GigabitEthernet3
IOS17#sh ip route isis
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
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
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
10.0.0.0/8 is variably subnetted, 6 subnets, 2 masks
i L2 10.101.8.0/24 [115/30] via 101.1.17.1, 00:05:40, GigabitEthernet0/0
i L2 10.101.18.0/24 [115/10] via 101.1.17.1, 00:04:14, GigabitEthernet0/0
101.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
i L2 101.1.8.0/24 [115/20] via 101.1.17.1, 00:05:40, GigabitEthernet0/0
IOS18#show ip route isis
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
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
o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
10.0.0.0/8 is variably subnetted, 6 subnets, 2 masks
i L2 10.101.8.0/24 [115/10] via 101.5.18.5, 01:09:30, GigabitEthernet0/0
i L2 10.101.17.0/24 [115/10] via 101.5.18.5, 01:05:12, GigabitEthernet0/0
IOS18#traceroute 10.101.8.8 source loopback 101 num
Type escape sequence to abort.
Tracing the route to 10.101.8.8
VRF info: (vrf in name/id, vrf out name/id)
1 101.5.18.5 19 msec 6 msec 6 msec
2 10.3.5.3 [MPLS: Labels 33/26 Exp 0] 30 msec 19 msec 30 msec
3 101.1.8.1 [MPLS: Label 26 Exp 0] 15 msec 28 msec 11 msec
4 101.1.8.8 45 msec * 22 msec
IOS18#traceroute 10.101.17.17 source loopback 101 num
Type escape sequence to abort.
Tracing the route to 10.101.17.17
VRF info: (vrf in name/id, vrf out name/id)
1 101.5.18.5 15 msec 4 msec 6 msec
2 10.3.5.3 [MPLS: Labels 33/28 Exp 0] 32 msec 34 msec 22 msec
3 101.1.17.1 [MPLS: Label 28 Exp 0] 11 msec 12 msec 15 msec
4 101.1.17.17 22 msec * 31 msec
