Thursday, March 31, 2016

CCNAv2 Completed Packet Tracer 8.4.1.2

Greetings, and welcome to Seeseenayy.
Packet Tracer 8.4.1.2 is our Skills Integration Challenge for this chapter, OSPF and all. It features a crossing of both IPv6 and IPv4 configuration for OSPF, all passed via one router, as shown below in a diagram. 

If you'd like to skip the tutorial, click below to download the packet tracer.

Alternatively, you may read the tutorial below. I urge you at least give it a glance. 
So, like any packet tracer from this chapter, we're going to have to setup OSPF. Do not let the fact there is both IPv4 and IPv6 configuration for this packet tracer, you've done it before if you've been in CCNA, just not with a routing protocol you've configured. If you're afraid of the merging of these two IP systems, may I redirect you to PT 4.1.3.5? Anyways, lets begin.
First, let me place the addressing table so you can see it.





Copied verbatim from the Packet Tracer PDF, bolded more important things: 
In this Skills Integration Challenge, your focus is OSPFv2 and OSPFv3 configurations. You will configure IP addressing for all devices. Then you will configure OSPFv2 routing for the IPv4 portion of the network and OSPFv3 routing for the IPv6 portion of the network. One router will be configured with both IPv4 and IPv6 configurations. Finally, you will verify your configurations and test connectivity between end devices.

So the packet tracer is asking us to configure a network again, with both OSPF versions and IPv4/IPv6. Easy, I'd believe. So, underneath that previous paragraph is our requirements for this lab.





So we know we're going to be configuring OSPF, so lets go ahead and start on our first in line router to configure. Open RA, configure the addresses for all lines from that router. They're on the addressing table.
RA>en
RA#conf t
RA(config)#router ospf 1
OSPF process 1 cannot start. There must be at least one "up" IP interface
RA(config-router)#router-id 1.1.1.1
RA(config-router)#int g0/0
RA(config-if)#ip add 172.31.0.1 255.255.254.0 
RA(config-if)#no sh

%LINK-5-CHANGED: Interface GigabitEthernet0/0, changed state to up

RA(config-if)#int s0/0/0
RA(config-if)#ip add 172.31.4.1 255.255.255.252
RA(config-if)#no sh

%LINK-5-CHANGED: Interface Serial0/1/0, changed state to down

Please note that I did not configure S0/1/0, it is supposed to be S0/0/0. 
Then, just to wrap it up for now, do:
RA(config-if)#router ospf 1
RA(config-router)#passive-interface g0/0

Lets go open up our next router, RB. Remember, this is the router that we have to configure for both IPv4 and IPv6, so be careful. Not hard, but just be cautious, messing up here will fail your packet tracer.

RB>en
RB#conf t
RB(config)#router ospf 1
OSPF process 1 cannot start. There must be at least one "up" IP interface
RB(config-router)#router-id 2.2.2.2
RB(config-router)#int g0/0
RB(config-if)#ip add 172.31.2.1 255.255.254.0 
RB(config-if)#ipv6 address 2001:DB8:1::1/64
RB(config-if)#no sh

Configure the Serial cables for their respective addresses.
RB(config-if)#int s0/0/0
RB(config-if)#ip add 172.31.4.2 255.255.255.252
RB(config-if)#no sh

RB(config-if)#int s0/0/1
RB(config-if)#ipv6 add 2001:DB8:2::1/64
RB(config-if)#no sh

Now, lets add our network commands for OSPF routing.

RB(config-if)#router ospf 1
RB(config-router)#passive-interface g0/0
RB(config-router)#network 172.31.2.0 255.255.254.0 area 0
RB(config-router)#network 172.31.4.0 255.255.255.252 area 0

So, close RB and go back to RA. While doing that, your link-lights for the entire left side of RB should be green. Go into RA and congfigure your OSPF:

RA(config-if)#router ospf 1
RA(config-router)#passive-interface g0/0
RA(config-router)#network 172.31.0.0 255.255.254.0 area 0
RA(config-router)#network 172.31.4.0 255.255.255.252 area 0

You should get one of these after that:
00:23:22: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0/0 from LOADING to FULL, Loading Done

So, close that and go back to RB, it's time to configure the Serial and other connections with IPv6. 

RB(config-router)#int s0/0/1
RB(config-if)#ipv6 ospf 1 area 0
% IPv6 routing not enabled

Just like last packet tracer, we have to go configure to allow IPv6. Enter the unicast routing command again.
RB(config)#ipv6 unicast-routing 

Resume your connetion to the serial interface...
RB(config)#int s0/0/1
RB(config-if)#ipv6 ospf 1 area 0

Then, configure OSPF to the IPv6 section of the router including the other interfaces to that router.
RB(config-if)#ex
RB(config)#ipv6 router ospf 1
RB(config-rtr)#router-id 2.2.2.2
RB(config-rtr)#int g0/0
RB(config-if)#ipv6 ospf 1 area 0
RB(config-if)#ipv6 address fe80::1 link-local
RB(config)#int s0/0/1
RB(config-if)#no sh

Now, our final router configuration, go to RC and configure like we have done before, though this router is exclusively IPv6.
RC>en
RC#conf t
RC(config)#int g0/0
RC(config-if)#ipv6 address fe80::3 link-local
RC(config-if)#ex

RC(config)#ipv6 unicast-routing
RC(config)#ipv6 router ospf 1
%OSPFv3-4-NORTRID: OSPFv3 process 1 could not pick a router-id,please configure manually
RC(config-rtr)#router-id 3.3.3.3
RC(config-rtr)#int g0/0
RC(config-if)#ipv6 ospf 1 area 0
RC(config-if)#int s0/0/0
RC(config-if)#ipv6 add 2001:DB8:2::2/64
RC(config-if)#ipv6 ospf 1 area 0
RC(config-if)#no sh
RC(config-if)#ipv6 ospf 1 area 0
RC(config-if)#int g0/0
RC(config-if)#ipv6 address 2001:DB8:3::1/64
RC(config-if)#no sh (thank you for the catch! see comments below)
RC(config-if)#ex
RC(config)#ipv6 router ospf 1
RC(config-rtr)#pas

RC(config-rtr)#passive-interface g0/0

So, we've configured our routes fully. You must verify this, perhaps a show command like ospf neighbor. Check your progress, all PC information should not be correct, only everything with the routers.

Finally, we need to do the PCs now. When you check your results, the packet tracer displays the IP address needed for the PCs, the default gateway and other PC information is as follows: 


PC-A Configuration
No IPv6 Configuration Present

IPV4 IP Address: 172.31.1.254
IPV4 Link Local Address: 255.255.254.0
IPV4 Default Gateway: 172.31.0.1

PC-B Configuration
IPV4 IP Address: 172.31.3.254
IPV4 Subnet Mask: 255.255.254.0
IPV4 Default Gateway: 173.31.2.1

IPV6 IP Address: 2001:DB8:1::2/64
IPV6 Link Local Address: FE80::1
IPV6 Default Gateway: FE80::1

**Thank you to "Daniel" in the comments for correcting the PC address issues.

PC-C Configuration
No IPv4 Configuration Present

IPV6 IP Address: 2001:DB8:3::2/64
IPV6 Link Local Address: FE80::1
IPV6 Default Gateway: FE80::3

You are done. Check your progress to verify total 100% points.

7 comments:

  1. only getting 37/42 score.

    Could you possibly take a look at this again and let me know? eg.redz@gmail.com

    ReplyDelete
    Replies
    1. That doesn't seem to be an issue on my end. I downloaded the PT from this post and the results show as follows:
      https://gyazo.com/9124592b48428186f6f4c64beedfbae8

      If you have further issues, email me.

      Delete
  2. After command "RC(config-if)#ipv6 address 2001:DB8:3::1/64" you need to do "no shut" command to bring port up. Thanks for this

    ReplyDelete
    Replies
    1. Thank you for the catch, the post has been updated.

      Delete
  3. Hi, you made some mistakes in the PC configuration.(Might be able to explain why Blacklisted didn't get 42/42)

    PC A configuration:

    IP address: 172.31.1.254
    Default Gateway: 172.31.0.1

    PC B

    IP Address: 172.31.3.254
    Default Gateway: 172.31.2.1

    ReplyDelete
  4. I have gone through this several time and get all of the objectives but seem to be missing a connectivity test. PCB will not ping PCC. I can't seem to get it to work. Any help would be greatly appreciated.

    ReplyDelete
    Replies
    1. The commands are correct, perhaps it's an error on your end, perhaps not. I recommend downloading the packet tracer file and continuing from there; 11.2.3.6 is 100/100 complete from the linked file in this post.

      Delete

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