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Re: HSRP and EIGRP configuration

Posted on 2008-10-24
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Last Modified: 2011-10-19
Hi Guys,


Please I need to produce a config for the attached diagram.

My requirements are as follow

1.      To use the two routers as resiliency/redundancy
2.      To use HSRP for redundancy
3.      To use EIGRP as routing protocol

Please your support will be highly appreciated.

Thanks.



Just-HSRP.pdf
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Question by:lawre1108
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10 Comments
 
LVL 50

Expert Comment

by:Don Johnston
ID: 22795721
It would help to know the ip addresses assigned to the routers.

And you're only going to be running HSRP at the regional office, right? What router interface is the regional office switch connected to?


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Author Comment

by:lawre1108
ID: 22796710
Thank for the response donjohnston, yes HSRP in regional office only, let us assume that the ip address will be 172.26.67.x/24.

It will be grate if the HSRP address  can be use as default gateway on the network.

I guess any of the interface on the router can be used, since both router will be connected together with fa0.

Also i have a diagram of what i think it should be attached to the inital request.

Once again thanks for your response.
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Don Johnston earned 2000 total points
ID: 22797078
Are the two routers connected together with a switch that all the users are also connected to?

>It will be grate if the HSRP address  can be use as default gateway on the network.
That's what HSRP is for.

Apply the config below two both routers (except the two noted commands). On the track command, you'll need to use the "100m LAN extension" interface.

Then set the default gateway of your hosts to 172.26.67.100

For the exact EIGRP commands, I would need the ip addresses of all the networks and where they are.



int f0/1
 standby 1 172.26.67.100
 standby 1 priority 150 !(non-broadband 1801 only)
 standby 1 pre
 standby 1 track fa1/1 60 !(non-broadband 1801 only)
 
router eigrp 1
 network x.x.x.x

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Author Comment

by:lawre1108
ID: 22798091
Yes there is a switch (2960/24) tha the router will be connected to, the switch is using default  VLAN 1 at the moment, which is also on 172.26.67.x/24.
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Author Comment

by:lawre1108
ID: 22802011
Hi donjohnston,

BEFORE ANY THING, I WILL LIKE TO LET YOU KNOW THAT I DID NOT CONNECT THE ROUTERS TO THE LIVE NETWORK YET, I JUST SIMULATE INDEPENDENT OF ANY OTHE DEVICES APART FROM MY LAPTOP THAT AM USING THE HYPERTERMINA FROM

Thanks for making it so simple, i mage to get the HSRP configured and working perfectly, my fear initially is to start reading all this books and not get straight forward answer to questions, but just 4 line from you is like gold.

At the moment i can ping between the two routers and also ping the HSRP address from both of them, and when i use sh standby all, i can see that each router is looking  at the other router as the standby router.

I will like to fail one router and see how the other can take over, and vice versa, UNFORTUNATELY I DO NOT KNOW HOW TO DO THIS , PLEASE KINDLY ADVICE ON THIS.

Also the router are not attached to the HQ router yet, could you kindly advice on what configuration i need to run on the Cisco switch 3560 to use the LAN extension as shown in the diagram.

Thanks for been kind.
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LVL 50

Expert Comment

by:Don Johnston
ID: 22802706
When you issue a "show standby brief", the two routers should see each other, yet one should be "active" and the other should be "standby". If they're both showing as "standby", you've got a problem.

To simulate a failure, just disconnect the f0/1 cable from the active router. The other router should promote itself to "active".

>>Also the router are not attached to the HQ router yet, could you kindly advice on what configuration i need to run on the Cisco switch 3560 to use the LAN extension as shown in the diagram.

Can't say without seeing the ip addresses being used to connect the regional and HQ sites.
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Author Comment

by:lawre1108
ID: 22802975
From the show standby brief below, I believe the configuration is working
rb#sh standby brie
                     P indicates configured to preempt.
                     |
Interface   Grp  Pri P State   Active          Standby         Virtual IP
Fa0         1    110 P Active  local           172.26.67.8     172.26.67.1

RA#sh standby brie
                   P indicates configured to preempt.
                   |
Interface Grp  Pri P State   Active          Standby         Virtual IP
Fa0       1    105 P Standby 172.26.67.10    local           172.26.67.1

Can we assume that the ip address in HQ is 81.24.X.X/30, And Regional is 81.24.X.X/30

I also have the option of using /29, if needed.
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LVL 50

Expert Comment

by:Don Johnston
ID: 22803012
Yep. HSRP is working.

Without the IP addresses assigned to the interfaces of all the routers, I can't provide you with the exact commands to enable EIGRP.
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Author Comment

by:lawre1108
ID: 22803302
Hi again,
Does the eigrp aspect required, to get configuration for the HQ 3560 switch working

I will be grateful if we can just assume the ip address, there are only two entry point to the network, both at the HQ end and regional end, the regional side is just one single area, if i may call it that, the only new entry point is the LAN extension as shown on the diagram, i guess both end of the LAN extension require public address.

As you can see what am trying to do is to simulate first before transfer to the main devices, and the best time that i can do that is the weekend when there won't be any other office activity that may take me off my desk while working.
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LVL 50

Expert Comment

by:Don Johnston
ID: 22803582
The basic commands for EIGRP are

router eigrp 1
 network <classful network address>

Repeat the network command for every network CONNECTED to the router.
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