Hristo Hristov 1905203

----------Ping from PC-A to PC-B:--------------
C:\>ping 195.29.2.3

Pinging 195.29.2.3 with 32 bytes of data:

Reply from 195.29.2.3: bytes=32 time=9ms TTL=126
Reply from 195.29.2.3: bytes=32 time=11ms TTL=126
Reply from 195.29.2.3: bytes=32 time=12ms TTL=126
Reply from 195.29.2.3: bytes=32 time=10ms TTL=126

Ping statistics for 195.29.2.3:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 9ms, Maximum = 12ms, Average = 10ms

C:\>

-----------Ping from PC-A to PC-C----------------
C:\>ping 195.29.3.3

Pinging 195.29.3.3 with 32 bytes of data:

Reply from 195.29.3.3: bytes=32 time=9ms TTL=126
Reply from 195.29.3.3: bytes=32 time=1ms TTL=126
Reply from 195.29.3.3: bytes=32 time=10ms TTL=126
Reply from 195.29.3.3: bytes=32 time=1ms TTL=126

Ping statistics for 195.29.3.3:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 1ms, Maximum = 10ms, Average = 5ms

C:\>

--------------R1-show run--------------
R1#show running-config 
Building configuration...

Current configuration : 1048 bytes
!
version 15.1
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname R1
!
!
!
!
!
!
!
!
no ip cef
no ipv6 cef
!
!
!
!
license udi pid CISCO2901/K9 sn FTX1524IGW1-
!
!
!
!
!
!
!
!
!
!
!
spanning-tree mode pvst
!
!
!
!
!
!
interface GigabitEthernet0/0
 ip address 195.29.1.1 255.255.255.0
 ip ospf priority 200
 duplex auto
 speed auto
!
interface GigabitEthernet0/1
 no ip address
 duplex auto
 speed auto
 shutdown
!
interface Serial0/3/0
 ip address 195.29.13.1 255.255.255.252
!
interface Serial0/3/1
 bandwidth 128
 ip address 195.29.12.1 255.255.255.252
 clock rate 2000000
!
interface Vlan1
 no ip address
 shutdown
!
router ospf 10
 router-id 1.1.1.1
 log-adjacency-changes
 passive-interface GigabitEthernet0/0
 auto-cost reference-bandwidth 1000
 network 195.29.1.0 0.0.0.255 area 0
 network 195.29.12.0 0.0.0.3 area 0
 network 195.29.13.0 0.0.0.3 area 0
!
ip classless
!
ip flow-export version 9
!
!
!
!
!
!
!
!
line con 0
!
line aux 0
!
line vty 0 4
 login
!
!
!
end


R1#
R1#
-----------------R2 show run----------------
R2>en
R2#show run
R2#show running-config 
Building configuration...

Current configuration : 1011 bytes
!
version 15.1
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname R2
!
!
!
!
!
!
!
!
no ip cef
no ipv6 cef
!
!
!
!
license udi pid CISCO2901/K9 sn FTX1524K2M8-
!
!
!
!
!
!
!
!
!
!
!
spanning-tree mode pvst
!
!
!
!
!
!
interface GigabitEthernet0/0
 ip address 195.29.2.1 255.255.255.0
 duplex auto
 speed auto
!
interface GigabitEthernet0/1
 no ip address
 duplex auto
 speed auto
 shutdown
!
interface Serial0/3/0
 ip address 195.29.12.2 255.255.255.252
!
interface Serial0/3/1
 ip address 195.29.23.1 255.255.255.252
 clock rate 2000000
!
interface Vlan1
 no ip address
 shutdown
!
router ospf 10
 router-id 2.2.2.2
 log-adjacency-changes
 passive-interface GigabitEthernet0/0
 auto-cost reference-bandwidth 1000
 network 195.29.2.0 0.0.0.255 area 0
 network 195.29.12.0 0.0.0.3 area 0
 network 195.29.23.0 0.0.0.3 area 0
!
ip classless
!
ip flow-export version 9
!
!
!
!
!
!
!
!
line con 0
!
line aux 0
!
line vty 0 4
 login
!
!
!
end


R2#
------------------show run R3--------------
R3>en
R3#show run
R3#show running-config 
Building configuration...

Current configuration : 1011 bytes
!
version 15.1
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname R3
!
!
!
!
!
!
!
!
no ip cef
no ipv6 cef
!
!
!
!
license udi pid CISCO2901/K9 sn FTX15248AS0-
!
!
!
!
!
!
!
!
!
!
!
spanning-tree mode pvst
!
!
!
!
!
!
interface GigabitEthernet0/0
 ip address 195.29.3.1 255.255.255.0
 duplex auto
 speed auto
!
interface GigabitEthernet0/1
 no ip address
 duplex auto
 speed auto
 shutdown
!
interface Serial0/3/0
 ip address 195.29.13.2 255.255.255.252
 clock rate 2000000
!
interface Serial0/3/1
 ip address 195.29.23.2 255.255.255.252
!
interface Vlan1
 no ip address
 shutdown
!
router ospf 10
 router-id 3.3.3.3
 log-adjacency-changes
 passive-interface GigabitEthernet0/0
 auto-cost reference-bandwidth 1000
 network 195.29.3.0 0.0.0.255 area 0
 network 195.29.13.0 0.0.0.3 area 0
 network 195.29.23.0 0.0.0.3 area 0
!
ip classless
!
ip flow-export version 9
!
!
!
!
!
!
!
!
line con 0
!
line aux 0
!
line vty 0 4
 login
!
!
!
end


R3#
------------------show ip route R1---------------------------
R1#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, E - EGP
       i - IS-IS, 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

Gateway of last resort is not set

     195.29.1.0/24 is variably subnetted, 2 subnets, 2 masks
C       195.29.1.0/24 is directly connected, GigabitEthernet0/0
L       195.29.1.1/32 is directly connected, GigabitEthernet0/0
O    195.29.2.0/24 [110/657] via 195.29.12.2, 00:32:58, Serial0/3/1
O    195.29.3.0/24 [110/657] via 195.29.13.2, 00:33:26, Serial0/3/0
     195.29.12.0/24 is variably subnetted, 2 subnets, 2 masks
C       195.29.12.0/30 is directly connected, Serial0/3/1
L       195.29.12.1/32 is directly connected, Serial0/3/1
     195.29.13.0/24 is variably subnetted, 2 subnets, 2 masks
C       195.29.13.0/30 is directly connected, Serial0/3/0
L       195.29.13.1/32 is directly connected, Serial0/3/0
     195.29.23.0/30 is subnetted, 1 subnets
O       195.29.23.0/30 [110/1294] via 195.29.13.2, 00:32:58, Serial0/3/0
                       [110/1294] via 195.29.12.2, 00:32:58, Serial0/3/1

R1#

------------------------show ip route R2--------------------
R2#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, E - EGP
       i - IS-IS, 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

Gateway of last resort is not set

O    195.29.1.0/24 [110/657] via 195.29.12.1, 00:34:42, Serial0/3/0
     195.29.2.0/24 is variably subnetted, 2 subnets, 2 masks
C       195.29.2.0/24 is directly connected, GigabitEthernet0/0
L       195.29.2.1/32 is directly connected, GigabitEthernet0/0
O    195.29.3.0/24 [110/657] via 195.29.23.2, 01:08:17, Serial0/3/1
     195.29.12.0/24 is variably subnetted, 2 subnets, 2 masks
C       195.29.12.0/30 is directly connected, Serial0/3/0
L       195.29.12.2/32 is directly connected, Serial0/3/0
     195.29.13.0/30 is subnetted, 1 subnets
O       195.29.13.0/30 [110/1294] via 195.29.12.1, 00:34:42, Serial0/3/0
                       [110/1294] via 195.29.23.2, 00:34:42, Serial0/3/1
     195.29.23.0/24 is variably subnetted, 2 subnets, 2 masks
C       195.29.23.0/30 is directly connected, Serial0/3/1
L       195.29.23.1/32 is directly connected, Serial0/3/1

R2#

----------------------show ip route R3----------------------------
R3#
R3#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, E - EGP
       i - IS-IS, 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

Gateway of last resort is not set

O    195.29.1.0/24 [110/657] via 195.29.13.1, 00:35:50, Serial0/3/0
O    195.29.2.0/24 [110/657] via 195.29.23.1, 01:08:53, Serial0/3/1
     195.29.3.0/24 is variably subnetted, 2 subnets, 2 masks
C       195.29.3.0/24 is directly connected, GigabitEthernet0/0
L       195.29.3.1/32 is directly connected, GigabitEthernet0/0
     195.29.12.0/30 is subnetted, 1 subnets
O       195.29.12.0/30 [110/1294] via 195.29.13.1, 00:35:18, Serial0/3/0
                       [110/1294] via 195.29.23.1, 00:35:18, Serial0/3/1
     195.29.13.0/24 is variably subnetted, 2 subnets, 2 masks
C       195.29.13.0/30 is directly connected, Serial0/3/0
L       195.29.13.2/32 is directly connected, Serial0/3/0
     195.29.23.0/24 is variably subnetted, 2 subnets, 2 masks
C       195.29.23.0/30 is directly connected, Serial0/3/1
L       195.29.23.2/32 is directly connected, Serial0/3/1

R3#

----------------ospf neighbour R1------------
R1#show ip ospf neighbor 


Neighbor ID     Pri   State           Dead Time   Address         Interface
3.3.3.3           0   FULL/  -        00:00:34    195.29.13.2     Serial0/3/0
2.2.2.2           0   FULL/  -        00:00:36    195.29.12.2     Serial0/3/1
R1#

----------------ospf neighbour R2------------

R2#show ip ospf  neighbor 


Neighbor ID     Pri   State           Dead Time   Address         Interface
3.3.3.3           0   FULL/  -        00:00:39    195.29.23.2     Serial0/3/1
1.1.1.1           0   FULL/  -        00:00:33    195.29.12.1     Serial0/3/0
R2#

----------------ospf neighbour R3------------

R3#show ip ospf neighbor 


Neighbor ID     Pri   State           Dead Time   Address         Interface
1.1.1.1           0   FULL/  -        00:00:30    195.29.13.1     Serial0/3/0
2.2.2.2           0   FULL/  -        00:00:35    195.29.23.1     Serial0/3/1
R3#

















