Monday, March 14, 2016

CCNAv2 Completed Packet Tracer 7.2.2.4

Greetings, and welcome to Seeseenayy.

Please note on the PDF of this PT the answers are open-ended and based on your response. 
The PT is not needed as it has no grade but it's required for the PDF.

Completed Packet Tracer 7.2.2.4 
Completed PDF Document 7.2.2.4

This packet tracer is more PDF oriented, this PT just shows us EIGRP and RIPv2.
On RA there are both EIGRP and RIPv2, both configured, but EIGRP is preferred as it has lower AD.
RA>en
RA#show ip route

90 is the AD EIGRP. 
EIGRP is based off of bandwith instead of RIPv2 which is hop-count based.

For EIGRP, the route will be RA-R1-R2-R3-RB because there is higher bandwidth .
For RIPv2, the route will be RA-R4-R5-RB, because there are less numbers of hops. 

PC>tracert 64.103.0.1
Tracing route to 64.103.0.1 over a maximum of 30 hops:

1 0 ms 0 ms 0 ms 64.100.0.254
2 0 ms 0 ms 0 ms 64.101.0.2
3 2 ms 1 ms 1 ms 64.101.0.6
4 2 ms 1 ms 1 ms 64.101.0.10

5 2 ms 2 ms 1 ms 64.101.0.14

Then, we go back to RA and re-configure the settings.
RA#
RA#conf t
RA(config)#router rip
RA(config-router)#distance 89

RA(config-router)#do show ip route

Now, when reconfiguring this route, RIP is preferred, we lowered the AD ("distance 89") for RIP, so when we ping from PC-A, the tracert will yield a different result.

PC>tracert 64.103.0.1
Tracing route to 64.103.0.1 over a maximum of 30 hops: 

  1   0 ms      0 ms      0 ms      64.100.0.254
  2   0 ms      0 ms      1 ms      64.102.0.2
  3   1 ms      2 ms      3 ms      64.102.0.6
  4   2 ms      0 ms      0 ms      64.101.0.14
  5   0 ms      2 ms      2 ms      64.103.0.1

If you compare the first and second trace-route, the #4 and #5 addresses are not the same.
This would happen again if the routes were re-configured, using the "lower" and more 'best-fit' paths.

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