Friday, August 23, 2019

Configure ip dns trace telnet to specific port using VPC GNS3/EVE

This article will demonstrate on how to configure VPC on EVE and GNS3 to ping to another network device, telnet to one of the ports of the other devices, and trace route of remote device.

1-configure ip address on VPC, use ip (ip address)(Subnet Mask)(Default Gateway) command
VPC1>ip 192.168.1.10 255.255.255.0 192.168.1.1

2-configure dns on VPC, use ip dns (ip of dns) command
VPC1>ip dns 8.8.8.8

3-Configure hostname / Set hostname for the VPC, use set pcname (Name) command
VPC1>set pcname tariq2
tariq2>

4- show ip configuration
tariq2> show ip

NAME        : tariq2[1]
IP/MASK     : 192.168.1.10/24
GATEWAY     : 192.168.1.1
DNS         : 8.8.8.8
MAC         : 00:50:79:66:68:07
LPORT       : 20000
RHOST:PORT  : 127.0.0.1:30000

MTU         : 1500

5- To telnet to specific port of other devices, the following example show port 23 is opened on the ip address device 192.168.1.9
tariq2> rlogin 192.168.1.9 23

Connect 192.168.1.9:23, press Ctrl+X to quit
NOTES: you will be back to the starting point, NOT THE LAST,
       if using Ctrl+X to quit.
User Access Verification
Password:

6-The following example show port 80 is opened on the ip address device 192.168.1.9
tariq2> rlogin 192.168.1.9 80

Connect 192.168.1.9:80, press Ctrl+X to quit
NOTES: you will be back to the starting point, NOT THE LAST,
       if using Ctrl+X to quit.
HTTP/1.1 400 Bad Request
Date: Fri, 23 Aug 2019 11:25:06 GMT
Server: cisco-IOS
Accept-Ranges: none


7- The following example show port 25 is closed on the ip address device 192.168.1.9
tariq2> rlogin 192.168.1.9 25

Connect 192.168.1.9:25, press Ctrl+X to quit
NOTES: you will be back to the starting point, NOT THE LAST,
       if using Ctrl+X to quit.

Disconnected from 192.168.1.9:25

8- To trace to another ip, use trace (ip address) command
tariq2> trace 8.8.8.8
trace to 8.8.8.8, 8 hops max, press Ctrl+C to stop
 1   192.168.1.1   1.383 ms  1.164 ms  1.321 ms
 2   217.21.5.38   78.627 ms  99.847 ms  138.456 ms
 3   192.168.16.69   130.238 ms  127.061 ms  131.245 ms
 4   192.168.16.33   120.213 ms  141.827 ms  121.358 ms
 5   10.75.60.33   117.147 ms  *  64.133 ms
 6     *  *  *

9- To ping to another device, use ping (ip address) command
tariq> ping 192.168.1.9

84 bytes from 192.168.1.9 icmp_seq=1 ttl=255 time=0.421 ms
84 bytes from 192.168.1.9 icmp_seq=2 ttl=255 time=0.349 ms
84 bytes from 192.168.1.9 icmp_seq=3 ttl=255 time=0.425 ms
84 bytes from 192.168.1.9 icmp_seq=4 ttl=255 time=0.454 ms
84 bytes from 192.168.1.9 icmp_seq=5 ttl=255 time=0.489 ms

10- To save Configuration
tariq> save
Saving startup configuration to startup.vpc
.  done

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1 comment:

  1. It is very helpful for everyone, thanks for sharing this information..... Kalyx transcanding connections

    ReplyDelete