[c-nsp] network design question

[Shakeel Ahmad]

Ahh you reminded me ... yes you can do it in CentOS just search it on google
for redhat it'll work for Centos too.. how to bond 2 interfaces...

On 9/7/06, Brian Desmond <brian at briandesmond.com> wrote:
>
> All the major NIC brands (Intel, Broadcom, HPQ, etc) ship teaming
> software at least on windows. On RedHat at least there's some docs to
> make a "bond0" or "bond#" interface which does the teaming. I suspect
> those vendors also have their own teaming SW for Linux as well, but I'm
> a Windows guy.
>
> What happens is you plug the NICs into Switches A and B and set them up
> for failover teaming - they send a little heartbeat every so often and
> expect the other NIC to hear it.
>
> Thanks,
> Brian Desmond
> brian at briandesmond.com
>
> c - 312.731.3132
>
>
> > -----Original Message-----
> > From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> > bounces at puck.nether.net] On Behalf Of Scott Granados
> > Sent: Wednesday, September 06, 2006 3:11 PM
> > To: Cisco-NSP Mailing List
> > Subject: [c-nsp] network design question
> >
> > Hi, I'm looking for some pointers on what technology or methods to use
> > here.
> >
> >
> >
> > I'm designing a new network for my company and have run in to a
> problem
> > which I'm sure a solution exists to address but I didn't know where to
> > start.  I have two core switches (4506's) each with supervisor 4's
> > (wsx4515) and each has 3 wsx4548 cards installed making a total of 144
> > ports each.  Now, much of our architecture has several servers so for
> > example, we might have 4 application servers.  My plan was to place 2
> > on switch a and two on switch b so if either switch fails, I only lose
> > part of my application serving ability.  However, suppose we have a
> > master mysql server but it's only attached to switch a.  If switch a
> > dies then the entire application dies as there is no path for data.
> My
> > servers all have 2 gig NIC's.  Would it be possible to attach the
> mysql
> > master to both A and B and use some method that allows either card to
> > be reached by the same IP.  Clearly, having two ips would be simple
> but
> > our application does not have a means to connect to more than one DB.
> > Is there a clean way that say switch A dies so then nic A no longer
> > functions so nic B takes the remaining traffic left on switch B headed
> > for the same ip of the database master?  What are people using for
> fail
> > over in the event of switch failures?
> >
> >
> >
> > Thanks
> >
> >
> >
> >
> >
> > G. Scott Granados
> >
> > Sr. Network Operations Specialist
> >
> > OFFICE: 415-946-2112 EXT. 222
> >
> > CELL: 408-569-4017
> >
> > URL: http://www.jeteye.com
> >
> >
> >
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