From: Navid Daghighi (daghighi.navid@free.fr)
Date: Mon Sep 17 2007 - 09:43:58 ART
hi Donghai,
why not use HSRP or VRRP ?
my little 2 cents...
Navid
Donghai Zhang a icrit :
> the topology may look like this:
>
>
>
> ---------
> | 4506 |
> -----------
> / \
> / \
> / \
> --------- ----------
> 3560 1 35602
> --------- ----------
> | | | |
> pc1 pc2 PCs
>
> suppose pc1 in vlan 10 and pc2 in vlan 20,which 3560 acts as the gateway?
> if 35602 acts as the getway,should pc1 go through 35601 and then 4506 and
> then 35602 and then return along the same route and then back 35601,and
> then finally reach pc2? That seams to be apparently unresonable. But how to
> solve it ? You may set gateway just on 35601,but what about PCs under 35602?
> Don't they encounter the same situation?
>
>
> 2007/9/17, Alexander Belov <abelov@technoserv.ru>:
>
>> Can You draw ? :)
>>
>> From the bottom story I got You Have 2 (two) distribution layer
>> Switches...
>> i.e. 2 x 3560...
>> Or You are saying You have two 3560s acting as one switch (like a
>> cluster)?
>> :)
>>
>> WBR,
>> Alex
>>
>> -----Original Message-----
>> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>> Donghai Zhang
>> Sent: Monday, September 17, 2007 3:01 PM
>> To: Marc La Porte
>> Cc: ccielab@groupstudy.com
>> Subject: Re: where to set the default gateway?
>>
>> Maybe I was not telling this clearly. I mean I need one of the 3560s to be
>> the gateway of the PCs in the local LAN. No that there are two 3560s,
>> which
>> one would be proper?
>>
>> 2007/9/17, Marc La Porte <marc.a.laporte@gmail.com>:
>>
>>> You only have to put a default-gateway on a layer 2 switch, so if both
>>> 3560s are layer 3 then it's not necessary on there
>>>
>>> On 9/17/07, Donghai Zhang <zdh1207@gmail.com> wrote:
>>>
>>>> Actually the distribute switches will be L3 at this moment. And the
>>>> 3560s would be the default gateways of the hosts.The problem is which
>>>> 3560 to set ?
>>>>
>>>> 2007/9/17, Marc La Porte <marc.a.laporte@gmail.com>:
>>>>
>>>>> Assuming that the core switch will be L3 and the distribution
>>>>>
>> switches
>>
>>>>> L2, I would put the SVI on the core switch and the default gateway
>>>>>
>> on
>> the
>>
>>>>> distribution switches
>>>>>
>>>>> On 9/17/07, Donghai Zhang <zdh1207@gmail.com > wrote:
>>>>>
>>>>>> Dear all,
>>>>>> I have got a problem recently. Suppose I have two catalyst 3560,
>>>>>>
>> as
>>
>>>>>> distribute switch, one catalyst 4506,as core switch. I need to set
>>>>>> default-gateways of those hosts inside local LAN in the
>>>>>>
>> 3560s.Theploblem is
>>
>>>>>> that: in which 3560 should I set the SVI interface? If I set in
>>>>>>
>> one,
>>
>>>>>> then
>>>>>> the hosts within the same vlan but connecting to the other switch
>>>>>> have to
>>>>>> travel to this switch so that they can be servced routing,thus
>>>>>> bandwith
>>>>>> would be waste.
>>>>>> Anyone help me ,thanks advance.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>> _______________________________________________________________________
>>
>>>>>> Subscription information may be found at:
>>>>>> http://www.groupstudy.com/list/CCIELab.html
>>>>>>
>> _______________________________________________________________________
>> Subscription information may be found at:
>> http://www.groupstudy.com/list/CCIELab.html
>>
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Sat Oct 06 2007 - 12:01:12 ART