Configure a tunnel on IOS22 to connect to IOS24, IOS25 and CSR11.
IOS22#ping 211.0.0.11
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 211.0.0.11, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 9/21/43 ms
IOS22#ping 204.0.0.24
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 204.0.0.24, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 12/20/48 ms
IOS22#ping 25.0.0.25
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 25.0.0.25, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 12/29/49 ms
IOS22
interface Tunnel1
ip address 10.1.1.22 255.255.255.0
no ip redirects
ip nhrp authentication cisco
ip nhrp map multicast dynamic
ip nhrp network-id 1
tunnel source GigabitEthernet0/2
tunnel mode gre multipoint
!
router eigrp 1
network 10.1.1.0 0.0.0.255
network 10.3.22.0 0.0.0.255
network 10.4.22.0 0.0.0.255
network 22.22.22.22 0.0.0.0
IOS24
interface Tunnel1
ip address 10.1.1.24 255.255.255.0
no ip redirects
ip nhrp authentication cisco
ip nhrp map 10.1.1.22 122.0.0.22
ip nhrp map multicast 122.0.0.22
ip nhrp network-id 1
ip nhrp nhs 10.1.1.22
tunnel source GigabitEthernet0/0
tunnel mode gre multipoint
!
router eigrp 1
network 10.1.1.0 0.0.0.255
network 24.24.24.24 0.0.0.0
network 172.16.103.0 0.0.0.255
IOS25
interface Tunnel1
ip address 10.1.1.25 255.255.255.0
no ip redirects
ip nhrp authentication cisco
ip nhrp network-id 1
ip nhrp nhs 10.1.1.22 nbma 122.0.0.22 multicast
tunnel source GigabitEthernet0/2
tunnel mode gre multipoint
!
router eigrp 102
network 10.102.25.0 0.0.0.255
redistribute eigrp 1
router eigrp 1
network 10.1.1.0 0.0.0.255
redistribute eigrp 102
CSR11
interface Tunnel1
ip address 10.1.1.11 255.255.255.0
no ip redirects
ip nhrp authentication cisco
ip nhrp network-id 1
ip nhrp nhs 10.1.1.22 nbma 122.0.0.22 multicast
tunnel source GigabitEthernet1
tunnel mode gre multipoint
!
router eigrp 1
network 10.1.1.0 0.0.0.255
network 10.11.19.0 0.0.0.255
IOS22#show dmvpn
Legend: Attrb --> S - Static, D - Dynamic, I - Incomplete
N - NATed, L - Local, X - No Socket
T1 - Route Installed, T2 - Nexthop-override
C - CTS Capable
# Ent --> Number of NHRP entries with same NBMA peer
NHS Status: E --> Expecting Replies, R --> Responding, W --> Waiting
UpDn Time --> Up or Down Time for a Tunnel
==========================================================================
Interface: Tunnel1, IPv4 NHRP Details
Type:Hub, NHRP Peers:3,
# Ent Peer NBMA Addr Peer Tunnel Add State UpDn Tm Attrb
----- --------------- --------------- ----- -------- -----
1 211.0.0.11 10.1.1.11 UP 00:11:23 D
1 204.0.0.24 10.1.1.24 UP 00:14:37 D
1 25.0.0.25 10.1.1.25 UP 00:12:27 D
IOS22#show dmvpn detail
Legend: Attrb --> S - Static, D - Dynamic, I - Incomplete
N - NATed, L - Local, X - No Socket
T1 - Route Installed, T2 - Nexthop-override
C - CTS Capable
# Ent --> Number of NHRP entries with same NBMA peer
NHS Status: E --> Expecting Replies, R --> Responding, W --> Waiting
UpDn Time --> Up or Down Time for a Tunnel
==========================================================================
Interface Tunnel1 is up/up, Addr. is 10.1.1.22, VRF ""
Tunnel Src./Dest. addr: 122.0.0.22/MGRE, Tunnel VRF ""
Protocol/Transport: "multi-GRE/IP", Protect ""
Interface State Control: Disabled
nhrp event-publisher : Disabled
Type:Hub, Total NBMA Peers (v4/v6): 3
# Ent Peer NBMA Addr Peer Tunnel Add State UpDn Tm Attrb Target Network
----- --------------- --------------- ----- -------- ----- -----------------
1 211.0.0.11 10.1.1.11 UP 00:11:41 D 10.1.1.11/32
1 204.0.0.24 10.1.1.24 UP 00:14:56 D 10.1.1.24/32
1 25.0.0.25 10.1.1.25 UP 00:12:45 D 10.1.1.25/32
IOS22#show ip eigrp neighbors
EIGRP-IPv4 Neighbors for AS(1)
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
4 10.4.22.4 Gi0/0 12 03:19:05 34 204 0 19
3 10.3.22.3 Gi0/1 12 03:19:24 36 216 0 19
2 10.1.1.11 Tu1 11 03:21:23 37 1434 0 11
1 10.1.1.25 Tu1 10 03:21:25 38 1434 0 7
0 10.1.1.24 Tu1 12 03:21:26 42 1434 0 11
IOS22#sh ip route eigrp
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 122.0.0.1 to network 0.0.0.0
10.0.0.0/8 is variably subnetted, 10 subnets, 2 masks
D 10.11.19.0/24 [90/26880256] via 10.1.1.11, 03:04:56, Tunnel1
D EX 10.102.12.0/24 [170/26880512] via 10.1.1.25, 03:09:33, Tunnel1
D EX 10.102.15.0/24 [170/26880512] via 10.1.1.25, 03:09:33, Tunnel1
D EX 10.102.25.0/24 [170/26880256] via 10.1.1.25, 03:09:33, Tunnel1
19.0.0.0/32 is subnetted, 1 subnets
D 19.19.19.19 [90/27008256] via 10.1.1.11, 03:02:49, Tunnel1
20.0.0.0/32 is subnetted, 1 subnets
D EX 20.20.20.20 [170/27008256] via 10.1.1.25, 03:09:33, Tunnel1
24.0.0.0/32 is subnetted, 1 subnets
D 24.24.24.24 [90/27008000] via 10.1.1.24, 03:05:35, Tunnel1
33.0.0.0/32 is subnetted, 1 subnets
D 33.33.33.33 [90/27008256] via 10.1.1.24, 03:05:36, Tunnel1
172.16.0.0/24 is subnetted, 2 subnets
D 172.16.101.0 [90/3072] via 10.4.22.4, 03:12:16, GigabitEthernet0/0
[90/3072] via 10.3.22.3, 03:12:16, GigabitEthernet0/1
D 172.16.103.0 [90/26880256] via 10.1.1.24, 03:05:41, Tunnel1
SW19#traceroute 172.16.101.34
Type escape sequence to abort.
Tracing the route to 172.16.101.34
VRF info: (vrf in name/id, vrf out name/id)
1 10.11.19.11 8 msec 5 msec 4 msec
2 10.1.1.22 27 msec 16 msec 16 msec
3 10.4.22.4 28 msec 37 msec 60 msec
4 172.16.101.34 33 msec * 54 msec
IOS22#ping 211.0.0.11
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 211.0.0.11, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 9/21/43 ms
IOS22#ping 204.0.0.24
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 204.0.0.24, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 12/20/48 ms
IOS22#ping 25.0.0.25
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 25.0.0.25, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 12/29/49 ms
IOS22
interface Tunnel1
ip address 10.1.1.22 255.255.255.0
no ip redirects
ip nhrp authentication cisco
ip nhrp map multicast dynamic
ip nhrp network-id 1
tunnel source GigabitEthernet0/2
tunnel mode gre multipoint
!
router eigrp 1
network 10.1.1.0 0.0.0.255
network 10.3.22.0 0.0.0.255
network 10.4.22.0 0.0.0.255
network 22.22.22.22 0.0.0.0
IOS24
interface Tunnel1
ip address 10.1.1.24 255.255.255.0
no ip redirects
ip nhrp authentication cisco
ip nhrp map 10.1.1.22 122.0.0.22
ip nhrp map multicast 122.0.0.22
ip nhrp network-id 1
ip nhrp nhs 10.1.1.22
tunnel source GigabitEthernet0/0
tunnel mode gre multipoint
!
router eigrp 1
network 10.1.1.0 0.0.0.255
network 24.24.24.24 0.0.0.0
network 172.16.103.0 0.0.0.255
IOS25
interface Tunnel1
ip address 10.1.1.25 255.255.255.0
no ip redirects
ip nhrp authentication cisco
ip nhrp network-id 1
ip nhrp nhs 10.1.1.22 nbma 122.0.0.22 multicast
tunnel source GigabitEthernet0/2
tunnel mode gre multipoint
!
router eigrp 102
network 10.102.25.0 0.0.0.255
redistribute eigrp 1
router eigrp 1
network 10.1.1.0 0.0.0.255
redistribute eigrp 102
CSR11
interface Tunnel1
ip address 10.1.1.11 255.255.255.0
no ip redirects
ip nhrp authentication cisco
ip nhrp network-id 1
ip nhrp nhs 10.1.1.22 nbma 122.0.0.22 multicast
tunnel source GigabitEthernet1
tunnel mode gre multipoint
!
router eigrp 1
network 10.1.1.0 0.0.0.255
network 10.11.19.0 0.0.0.255
IOS22#show dmvpn
Legend: Attrb --> S - Static, D - Dynamic, I - Incomplete
N - NATed, L - Local, X - No Socket
T1 - Route Installed, T2 - Nexthop-override
C - CTS Capable
# Ent --> Number of NHRP entries with same NBMA peer
NHS Status: E --> Expecting Replies, R --> Responding, W --> Waiting
UpDn Time --> Up or Down Time for a Tunnel
==========================================================================
Interface: Tunnel1, IPv4 NHRP Details
Type:Hub, NHRP Peers:3,
# Ent Peer NBMA Addr Peer Tunnel Add State UpDn Tm Attrb
----- --------------- --------------- ----- -------- -----
1 211.0.0.11 10.1.1.11 UP 00:11:23 D
1 204.0.0.24 10.1.1.24 UP 00:14:37 D
1 25.0.0.25 10.1.1.25 UP 00:12:27 D
IOS22#show dmvpn detail
Legend: Attrb --> S - Static, D - Dynamic, I - Incomplete
N - NATed, L - Local, X - No Socket
T1 - Route Installed, T2 - Nexthop-override
C - CTS Capable
# Ent --> Number of NHRP entries with same NBMA peer
NHS Status: E --> Expecting Replies, R --> Responding, W --> Waiting
UpDn Time --> Up or Down Time for a Tunnel
==========================================================================
Interface Tunnel1 is up/up, Addr. is 10.1.1.22, VRF ""
Tunnel Src./Dest. addr: 122.0.0.22/MGRE, Tunnel VRF ""
Protocol/Transport: "multi-GRE/IP", Protect ""
Interface State Control: Disabled
nhrp event-publisher : Disabled
Type:Hub, Total NBMA Peers (v4/v6): 3
# Ent Peer NBMA Addr Peer Tunnel Add State UpDn Tm Attrb Target Network
----- --------------- --------------- ----- -------- ----- -----------------
1 211.0.0.11 10.1.1.11 UP 00:11:41 D 10.1.1.11/32
1 204.0.0.24 10.1.1.24 UP 00:14:56 D 10.1.1.24/32
1 25.0.0.25 10.1.1.25 UP 00:12:45 D 10.1.1.25/32
IOS22#show ip eigrp neighbors
EIGRP-IPv4 Neighbors for AS(1)
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
4 10.4.22.4 Gi0/0 12 03:19:05 34 204 0 19
3 10.3.22.3 Gi0/1 12 03:19:24 36 216 0 19
2 10.1.1.11 Tu1 11 03:21:23 37 1434 0 11
1 10.1.1.25 Tu1 10 03:21:25 38 1434 0 7
0 10.1.1.24 Tu1 12 03:21:26 42 1434 0 11
IOS22#sh ip route eigrp
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 122.0.0.1 to network 0.0.0.0
10.0.0.0/8 is variably subnetted, 10 subnets, 2 masks
D 10.11.19.0/24 [90/26880256] via 10.1.1.11, 03:04:56, Tunnel1
D EX 10.102.12.0/24 [170/26880512] via 10.1.1.25, 03:09:33, Tunnel1
D EX 10.102.15.0/24 [170/26880512] via 10.1.1.25, 03:09:33, Tunnel1
D EX 10.102.25.0/24 [170/26880256] via 10.1.1.25, 03:09:33, Tunnel1
19.0.0.0/32 is subnetted, 1 subnets
D 19.19.19.19 [90/27008256] via 10.1.1.11, 03:02:49, Tunnel1
20.0.0.0/32 is subnetted, 1 subnets
D EX 20.20.20.20 [170/27008256] via 10.1.1.25, 03:09:33, Tunnel1
24.0.0.0/32 is subnetted, 1 subnets
D 24.24.24.24 [90/27008000] via 10.1.1.24, 03:05:35, Tunnel1
33.0.0.0/32 is subnetted, 1 subnets
D 33.33.33.33 [90/27008256] via 10.1.1.24, 03:05:36, Tunnel1
172.16.0.0/24 is subnetted, 2 subnets
D 172.16.101.0 [90/3072] via 10.4.22.4, 03:12:16, GigabitEthernet0/0
[90/3072] via 10.3.22.3, 03:12:16, GigabitEthernet0/1
D 172.16.103.0 [90/26880256] via 10.1.1.24, 03:05:41, Tunnel1
SW19#traceroute 172.16.101.34
Type escape sequence to abort.
Tracing the route to 172.16.101.34
VRF info: (vrf in name/id, vrf out name/id)
1 10.11.19.11 8 msec 5 msec 4 msec
2 10.1.1.22 27 msec 16 msec 16 msec
3 10.4.22.4 28 msec 37 msec 60 msec
4 172.16.101.34 33 msec * 54 msec
