Re: Square Topologies and Routing Protocol

From: James Howard <jamesh.howard37_at_gmail.com>
Date: Mon, 13 Jul 2009 14:58:01 -0700

thanks Larry for jumping in... I am looking to load balance lan traffic over
serial links.

On Mon, Jul 13, 2009 at 2:53 PM, Larry Hadrava <larryh_at_ipexpert.com> wrote:

> Right. That is why I was asking about EIGRP running over all links or not.
> So, what is the goal that you are trying to achieve? Load balancing across
> which links?
>
> Thanks
> Larry Hadrava
> CCIE #12203 CCNP
> Sr. Support Engineer  IPexpert, Inc.
> URL: http://www.IPexpert.com
>
>
> On Mon, Jul 13, 2009 at 5:30 PM, James Howard
<jamesh.howard37_at_gmail.com>wrote:
>
>> thanks for the response. All links are running EIGRP... but both serial
>> links are not on the same router so EIGRP load balancing cannot take place
>> or not in the way traditional load balancing works.
>>
>>
>> On Mon, Jul 13, 2009 at 2:28 PM, Larry Hadrava <larryh_at_ipexpert.com>wrote:
>>
>>> Assuming that you are running EIGRP on all of the interfaces or just on
>>> the serial interfaces?
>>> If just on the serial then look to see if you see routes from both
>>> neighbors in the routing table. If so them EIGRP load balancing should be
>>> taking place.
>>> If not then you would need to make sure that you are allowing more than 1
>>> route at a time through EIGRP and take a look at the metric. You may have
to
>>> adjust the variance to get both routes there as well.
>>>
>>> Then you would have to determine how you wanted the load balancing to
>>> work - per packet or per destination.
>>> Thanks
>>> Larry Hadrava
>>> CCIE #12203 CCNP
>>> Sr. Support Engineer  IPexpert, Inc.
>>> URL: http://www.IPexpert.com <http://www.ipexpert.com/>
>>>
>>>
>>> On Mon, Jul 13, 2009 at 5:17 PM, Ryan West <rwest_at_zyedge.com> wrote:
>>>
>>>> It's not load balancing already??
>>>>
>>>> What's are the metrics for the routes in question, if they aren't even
>>>> already, you may need to adjust delay or variance.
>>>>
>>>> -ryan
>>>>
>>>> -----Original Message-----
>>>> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
>>>> James Howard
>>>> Sent: Monday, July 13, 2009 2:03 PM
>>>> To: ccielab_at_groupstudy.com
>>>> Subject: Square Topologies and Routing Protocol
>>>>
>>>> I have 4 routers in Square topology running EIGRP. R1/R2 connected via
>>>> GigE
>>>> and R3/R4 are also connected via GigE. R1 is connected via R3 using a
>>>> serial
>>>> links and R2 is connected via R4 using the serial link. I am looking for
>>>> load balancing on both Serial links without employing dreaded OER.
>>>>
>>>> r
>>>> James
>>>>
>>>>
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Received on Mon Jul 13 2009 - 14:58:01 ART

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