Freakiest Thing Ever - Lab 1 (R7 SW2 connection)

Can somebody please explain this ?

 

This is done after all the configs are up an operational for Lab1.

 

 

R7#ping 192.168.7.100 source FastEthernet0/1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.7.100, timeout is 2 seconds:

Packet sent with a source address of 192.168.7.7 

.....

Success rate is 0 percent (0/5)

R7#

ICMP: time exceeded rcvd from 12.2.6.6

ICMP: time exceeded rcvd from 12.2.6.6

ICMP: time exceeded rcvd from 12.2.6.6

ICMP: time exceeded rcvd from 12.2.6.6

ICMP: time exceeded rcvd from 12.2.6.6

R7#conf t 

Enter configuration commands, one per line.  End with CNTL/Z.

R7#ping 192.168.7.100 source FastEthernet0/1

 

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.7.100, timeout is 2 seconds:

Packet sent with a source address of 192.168.7.7 

..

Success rate is 0 percent (0/2)

R7#

ICMP: time exceeded rcvd from 12.2.6.6

ICMP: time exceeded rcvd from 12.2.6.6

R7#sh ip int brief

Interface                  IP-Address      OK? Method Status                Protocol

FastEthernet0/0            192.168.79.7    YES manual up                    up      

FastEthernet0/1            192.168.7.7     YES manual up                    up      

Serial0/0/0                unassigned      YES unset  up                    up      

Serial0/0/0.100            192.168.78.7    YES manual up                    up      

Loopback0                  7.7.7.7         YES manual up                    up      

Tunnel0                    192.168.79.7    YES unset  up                    up      

R7#conf t 

Enter configuration commands, one per line.  End with CNTL/Z.

 

R7(config)#interface fastEthernet 0/0

R7(config-if)#shut 

%PIM-5-NBRCHG: neighbor 192.168.79.9 DOWN on interface FastEthernet0/0 DR

%OSPF-5-ADJCHG: Process 10, Nbr 192.168.0.9 on FastEthernet0/0 from FULL to DOWN, Neighbor Down: Interface down or detached

R7(config-if)#

%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to administratively down

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to down

R7(config-if)#

R7#p

%SYS-5-CONFIG_I: Configured from console by console

R7#ping 192.168.7.7 --> Ping own address

 

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.7.7, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms

R7#

ICMP: echo reply sent, src 192.168.7.7, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.7, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply sent, src 192.168.7.7, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.7, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply sent, src 192.168.7.7, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.7, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply sent, src 192.168.7.7, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.7, dst 192.168.7.7

R7#ping 192.168.7., topology BASE, dscp 0 topoid 0

ICMP: echo reply sent, src 192.168.7.7, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.7, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

R7#ping 192.168.7.100 --> Ping SW2 direct connection

 

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.7.100, timeout is 2 seconds:

.....

Success rate is 0 percent (0/5)

R7#

ICMP: time exceeded (time to live) sent to 192.168.7.7 (dest was 192.168.7.100), topology BASE, dscp 0 topoid 0

ICMP: time exceeded rcvd from 192.168.78.7 --> R8 ?

R7#sh 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

       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

       + - replicated route, % - next hop override

 

Gateway of last resort is not set

 

      7.0.0.0/32 is subnetted, 1 subnets

C        7.7.7.7 is directly connected, Loopback0

      8.0.0.0/32 is subnetted, 1 subnets

O        8.8.8.8 [110/101] via 192.168.78.8, 00:00:31, Serial0/0/0.100

      192.168.0.0/32 is subnetted, 2 subnets

O        192.168.0.9 [110/105] via 192.168.78.8, 00:00:31, Serial0/0/0.100

O        192.168.0.10 [110/102] via 192.168.78.8, 00:00:31, Serial0/0/0.100

      192.168.2.0/32 is subnetted, 1 subnets

O E2     192.168.2.2 [110/1] via 192.168.78.8, 00:00:31, Serial0/0/0.100

      192.168.7.0/24 is variably subnetted, 2 subnets, 2 masks

C        192.168.7.0/24 is directly connected, FastEthernet0/1

L        192.168.7.7/32 is directly connected, FastEthernet0/1

      192.168.19.0/32 is subnetted, 1 subnets

O E2     192.168.19.19 [110/1] via 192.168.78.8, 00:00:31, Serial0/0/0.100

      192.168.78.0/24 is variably subnetted, 2 subnets, 2 masks

C        192.168.78.0/24 is directly connected, Serial0/0/0.100

L        192.168.78.7/32 is directly connected, Serial0/0/0.100

O     192.168.108.0/24 [110/101] via 192.168.78.8, 00:00:31, Serial0/0/0.100

O     192.168.199.0/24 [110/104] via 192.168.78.8, 00:00:31, Serial0/0/0.100

O     192.168.210.0/24 [110/102] via 192.168.78.8, 00:00:31, Serial0/0/0.100

R7#

ICMP: time exceeded (time to live) sent to 192.168.7.7 (dest was 192.168.7.100), topology BASE, dscp 0 topoid 0

ICMP: time exceeded rcvd from 192.168.78.7

R7#conf t 

Enter configuration commands, one per line.  End with CNTL/Z.

R7(config)#interface serial 0/0/0

R7(config-if)#shut 

R7#wr

Building configuration...

[OK]

R7#

%PIM-5-NBRCHG: neighbor 192.168.78.8 DOWN on interface Serial0/0/0.100 non DR

%OSPF-5-ADJCHG: Process 10, Nbr 8.8.8.8 on Serial0/0/0.100 from FULL to DOWN, Neighbor Down: Interface down or detached

%SYS-5-CONFIG_I: Configured from console by console

%LINK-5-CHANGED: Interface Serial0/0/0, changed state to administratively down

%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0/0, changed state to down

R7#

%LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to down

R7#sh 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

       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

       + - replicated route, % - next hop override

 

Gateway of last resort is not set

 

      7.0.0.0/32 is subnetted, 1 subnets

C        7.7.7.7 is directly connected, Loopback0

      192.168.7.0/24 is variably subnetted, 2 subnets, 2 masks

C        192.168.7.0/24 is directly connected, FastEthernet0/1

L        192.168.7.7/32 is directly connected, FastEthernet0/1

R7#ping 192.168.7.255 re

R7#ping 192.168.7.255 repeat 999

 

Type escape sequence to abort.

Sending 999, 100-byte ICMP Echos to 192.168.7.255, timeout is 2 seconds:

 

Reply to request 0 from 192.168.7.100, 4 ms

Reply to request 1 from 192.168.7.100, 1 ms

Reply to request 2 from 192.168.7.100, 1 ms

Reply to request 3 from 192.168.7.100, 1 ms

Reply to request 4 from 192.168.7.100, 1 ms

Reply to request 5 from 192.168.7.100, 1 ms

R7#

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

R7#ping 192.168.7.100

 

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.7.100, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms

R7#

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

R7#conf t 

Enter configuration commands, one per line.  End with CNTL/Z.

 

R7(config)#interface serial 0/0/0

R7(config-if)#no shut 

%LINK-3-UPDOWN: Interface Serial0/0/0, changed state to up

R7(config-if)#

%PIM-5-NBRCHG: neighbor 192.168.78.8 UP on interface Serial0/0/0.100 

%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0/0, changed state to up

R7(config-if)#inte f0/0

R7(config-if)#no shut 

%SYS-5-CONFIG_I: Configured from console by console

R7#ping 192.168.7.100           

%PIM-5-DRCHG: DR change from neighbor 0.0.0.0 to 192.168.79.7 on interface FastEthernet0/0

%PIM-5-NBRCHG: neighbor 192.168.79.9 UP on interface FastEthernet0/0 

%PIM-5-DRCHG: DR change from neighbor 192.168.79.7 to 192.168.79.9 on interface FastEthernet0/0

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up

 

R7#

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

R7#

%OSPF-5-ADJCHG: Process 10, Nbr 8.8.8.8 on Serial0/0/0.100 from LOADING to FULL, Loading Done

R7#ping 192.168.7.100

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.7.100, timeout is 2 seconds:

!!!!!  --> Still pinging

Success rate is 100 percent (5/5), round-trip min/avg/max = 1/3/4 ms

R7#

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

ICMP: echo reply rcvd, src 192.168.7.100, dst 192.168.7.7, topology BASE, dscp 0 topoid 0

R7#

R7#

R7#ping 192.168.7.100

 

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.7.100, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms

R7#

R7#ping 192.168.7.100

 

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.7.100, timeout is 2 seconds:

.....

Success rate is 0 percent (0/5)

R7#

ICMP: time exceeded (time to live) sent to 192.168.7.7 (dest was 192.168.7.100), topology BASE, dscp 0 topoid 0

ICMP: time exceeded rcvd from 192.168.78.7

%LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to up

R7#sh 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

       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

       + - replicated route, % - next hop override

 

Gateway of last resort is not set

 

      7.0.0.0/32 is subnetted, 1 subnets

C        7.7.7.7 is directly connected, Loopback0

      8.0.0.0/32 is subnetted, 1 subnets

O        8.8.8.8 [110/101] via 192.168.78.8, 00:00:32, Serial0/0/0.100

      192.168.0.0/32 is subnetted, 2 subnets

O        192.168.0.9 [110/105] via 192.168.78.8, 00:00:32, Serial0/0/0.100

O        192.168.0.10 [110/102] via 192.168.78.8, 00:00:32, Serial0/0/0.100

      192.168.2.0/32 is subnetted, 1 subnets

O E2     192.168.2.2 [110/1] via 192.168.78.8, 00:00:32, Serial0/0/0.100

      192.168.7.0/24 is variably subnetted, 2 subnets, 2 masks

C        192.168.7.0/24 is directly connected, FastEthernet0/1

L        192.168.7.7/32 is directly connected, FastEthernet0/1

      192.168.19.0/32 is subnetted, 1 subnets

O E2     192.168.19.19 [110/1] via 192.168.78.8, 00:00:32, Serial0/0/0.100

      192.168.78.0/24 is variably subnetted, 2 subnets, 2 masks

C        192.168.78.0/24 is directly connected, Serial0/0/0.100

L        192.168.78.7/32 is directly connected, Serial0/0/0.100

      192.168.79.0/24 is variably subnetted, 2 subnets, 2 masks

C        192.168.79.0/24 is directly connected, FastEthernet0/0

L        192.168.79.7/32 is directly connected, FastEthernet0/0

O     192.168.108.0/24 [110/101] via 192.168.78.8, 00:00:32, Serial0/0/0.100

O     192.168.199.0/24 [110/104] via 192.168.78.8, 00:00:32, Serial0/0/0.100

O     192.168.210.0/24 [110/102] via 192.168.78.8, 00:00:32, Serial0/0/0.100

R7#

%OSPF-5-ADJCHG: Process 10, Nbr 192.168.0.9 on FastEthernet0/0 from LOADING to FULL, Loading Done

R7#

 

Looks like it's trying to route over to R8 ?! It's directly connected subnet, does this make any sense ?

 




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