Fundamentals 12 min read

Step-by-Step Router and VPC Configuration with Ping Test

This guide walks through configuring three routers (R1, R2, R3) and two virtual PCs in a simulated network, displaying interface IPs, routing tables, and verifying connectivity with a ping test, all illustrated with command outputs and topology images.

MaGe Linux Operations

Dec 2, 2023

Step-by-Step Router and VPC Configuration with Ping Test

Experiment Topology

Configure R1

Router(config)</code>
<code>R1(config)</code>
<code>R1(config-if)</code>
<code>R1(config-if)</code>
<code>R1(config-if)</code>
<code>R1(config)</code>
<code>R1(config)

View Interface IPs on R1

Interface                  IP-Address      OK? Method Status                Protocol
Ethernet0/0                192.168.12.1    YES  manual up                    up
Ethernet0/1                192.168.1.254   YES  manual up                    up
Ethernet0/2                unassigned      YES  unset  administratively down down
Ethernet0/3                unassigned      YES  unset  administratively down down
Serial1/0                  unassigned      YES  unset  administratively down down
Serial1/1                  unassigned      YES  unset  administratively down down
Serial1/2                  unassigned      YES  unset  administratively down down
Serial1/3                  unassigned      YES  unset  administratively down down

View R1 Routing Table

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
192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.1.0/24 is directly connected, Ethernet0/1
L        192.168.1.254/32 is directly connected, Ethernet0/1
S        192.168.3.0/24 [1/0] via 192.168.12.2
192.168.12.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.12.0/24 is directly connected, Ethernet0/0
L        192.168.12.1/32 is directly connected, Ethernet0/0
S        192.168.23.0/24 [1/0] via 192.168.12.2

Configure R2

Router>enable</code>
<code>Router</code>
<code>Router(config)</code>
<code>R2(config)</code>
<code>R2(config-if)</code>
<code>R2(config-if)</code>
<code>R2(config-if)</code>
<code>R2(config)</code>
<code>R2(config)

View Interface IPs on R2

Interface                  IP-Address      OK? Method Status                Protocol
Ethernet0/0                192.168.12.2    YES  manual up                    up
Ethernet0/1                192.168.23.2    YES  manual up                    up
Ethernet0/2                unassigned      YES  unset  administratively down down
Ethernet0/3                unassigned      YES  unset  administratively down down
Serial1/0                  unassigned      YES  unset  administratively down down
Serial1/1                  unassigned      YES  unset  administratively down down
Serial1/2                  unassigned      YES  unset  administratively down down
Serial1/3                  unassigned      YES  unset  administratively down down

View R2 Routing Table

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
S        192.168.1.0/24 [1/0] via 192.168.12.1
S        192.168.3.0/24 [1/0] via 192.168.23.3
192.168.12.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.12.0/24 is directly connected, Ethernet0/0
L        192.168.12.2/32 is directly connected, Ethernet0/0
192.168.23.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.23.0/24 is directly connected, Ethernet0/1
L        192.168.23.2/32 is directly connected, Ethernet0/1

Configure R3

Router>enable</code>
<code>Router</code>
<code>Router(config)</code>
<code>R3(config)</code>
<code>R3(config-if)</code>
<code>R3(config-if)</code>
<code>R3(config-if)</code>
<code>R3(config)</code>
<code>R3(config)

View Interface IPs on R3

Interface                  IP-Address      OK? Method Status                Protocol
Ethernet0/0                192.168.23.3    YES  manual up                    up
Ethernet0/1                192.168.3.254   YES  manual up                    up
Ethernet0/2                unassigned      YES  unset  administratively down down
Ethernet0/3                unassigned      YES  unset  administratively down down
Serial1/0                  unassigned      YES  unset  administratively down down
Serial1/1                  unassigned      YES  unset  administratively down down
Serial1/2                  unassigned      YES  unset  administratively down down
Serial1/3                  unassigned      YES  unset  administratively down down

View R3 Routing Table

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
S        192.168.1.0/24 [1/0] via 192.168.23.2
192.168.3.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.3.0/24 is directly connected, Ethernet0/1
L        192.168.3.254/32 is directly connected, Ethernet0/1
S        192.168.12.0/24 [1/0] via 192.168.23.2
192.168.23.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.23.0/24 is directly connected, Ethernet0/0
L        192.168.23.3/32 is directly connected, Ethernet0/0

Configure VPC4

VPCS> ip 192.168.1.2/24 192.168.1.254</code>
<code>Checking for duplicate address...</code>
<code>VPCS : 192.168.1.2 255.255.255.0 gateway 192.168.1.254

Configure VPC5

VPCS> ip 192.168.3.2/24 192.168.3.254</code>
<code>Checking for duplicate address...</code>
<code>VPCS : 192.168.3.2 255.255.255.0 gateway 192.168.3.254

Ping Test from VPC4 to VPC5

VPCS> ping 192.168.3.2</code>
<code>84 bytes from 192.168.3.2 icmp_seq=1 ttl=61 time=0.958 ms</code>
<code>84 bytes from 192.168.3.2 icmp_seq=2 ttl=61 time=0.785 ms</code>
<code>84 bytes from 192.168.3.2 icmp_seq=3 ttl=61 time=1.050 ms</code>
<code>84 bytes from 192.168.3.2 icmp_seq=4 ttl=61 time=0.823 ms</code>
<code>84 bytes from 192.168.3.2 icmp_seq=5 ttl=61 time=0.827 ms

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Router configuration ping test packet tracer vpcs

Written by

MaGe Linux Operations

Founded in 2009, MaGe Education is a top Chinese high‑end IT training brand. Its graduates earn 12K+ RMB salaries, and the school has trained tens of thousands of students. It offers high‑pay courses in Linux cloud operations, Python full‑stack, automation, data analysis, AI, and Go high‑concurrency architecture. Thanks to quality courses and a solid reputation, it has talent partnerships with numerous internet firms.

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