[K12OSN] Etherchannel link

[Walker, Clay]

I know HP Procurves offer bonding of slower links.  I don't have any GB switches to tell you 100% that they offer the same in GB links.  I would go out on a limb and say they do.  Not to mention, HP switches are much le$$ than Cisco and HP Procurve lines come with lifetime warranty. 

-----Original Message-----
From: k12osn-bounces at redhat.com [mailto:k12osn-bounces at redhat.com] On Behalf Of "Terrell Prudé, Jr."
Sent: Tuesday, February 15, 2005 9:23 PM
To: Ascension Tech; Support list for opensource software in schools.
Subject: Re: [K12OSN] Etherchannel link

The name of the spec for this is "IEEE 802.3ad Link Aggregation Control Protocol."  Cisco's EtherChannel is simply Cisco's implementation of IEEE 802.3ad.  The Linux kernel's Channel Bonding is another.

Since you're sold on a Gig-E backbone anyway (and I agree), I did some checking tonight, and Amer.com's SS3GR4i switch also is said to support IEEE 802.3ad, and it is considerably less money than a Catalyst 3750.  
They'll let you eval one free of charge for 45 days, so it's worth a look.

--TP

Ascension Tech wrote:

>So far, I have one vote for and one against using for purchasing a 
>cisco 'etherchannel link' capable switch.  Does anyone else want to 
>chime in?  Are there any other switch manufactures that do this kind of 
>thing?  (ie. gigabit channel bonding) Personally I'm leaning toward 
>purchasing the catalyst 3750 24 port because if feel we need a gigabit
>backbone one way or another.    Any input would be greatly
>appreciated.
>
>Thank you,
>Peter   
>
>
>
>
>
>On Tue, 08 Feb 2005 19:09:35 -0500, Shawn Austin <austinsr at uindy.edu> wrote:
>  
>
>>We have used channel bonding with our IBM servers and cisco switches 
>>for about 2 years now, and it has been more trouble than its worth.
>>We occasionally have strange packet loss that no one can account for, 
>>and I have never noticed any true thru put advantages.
>>
>>If you decide to use it, make sure that you stress test the server 
>>under heavy load and monitor for any packet loss.
>>
>>
>>Michael C Wescott wrote:
>>
>>    
>>
>>>On Tue, 2005-02-08 at 15:26, Ascension Tech wrote:
>>>
>>>
>>>      
>>>
>>>>Hey All,
>>>>Were about to upgrade some network equipment and I was wondering if 
>>>>anyone has experience using Cisco's "etherchannel link" between the 
>>>>switch and LTSP server.  We are thinking of getting a catalyst 3750.
>>>>Can anyone share their experiences?  Server side, is it a matter of 
>>>>following the instructions for channel bonding on the wiki?
>>>>
>>>>
>>>>        
>>>>
>>>The bonding protocol is compatible with Cisco's Etherchannel. I don't 
>>>know about the 3750 in particular since I played around with a 
>>>Catalyst 6000 when I was looking at it (preparing for a presentation 
>>>to the local Linux User's Group).
>>>
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>>>
>>>
>>>      
>>>
>>--
>>Shawn Austin
>>
>>University of Indianapolis
>>Client Services
>>788-3362
>>
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>>
>>    
>>
>
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>  
>


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