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Posted by hhs on May 5, 2008, 3:05 am
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>
>
>
> > > In article
>
> > > > > In article
>
> > > > > Things you can consider are adding more interfaces to a modular router,
> > > > > buying a larger modular chassis and reusing your interfaces,
> > > > > daisychaining routers together, or just buying a bigger router. More
> > > > > information on what kind of router(s) you have already and the number
> > > > > and type of interfaces would let people provide better advice.
>
> > > > Buying a larger modular chassis mean like buying a new routers, right?
> > > > What do you mean daisy chaining router? Now i have 2651 which have 2
> > > > WIC. (now already use all of 4 interface - 2x WIC-2T). Please advise.
>
> > > If I read the specs right the 2651 has 1 or 2 fast ethernet ports, 1
> > > network module slot and 2 WIC slots. You don't mention the NM slot but
> > > if you're not using that already you can get an NM-2W module to give you
> > > two more WIC slots into which you may be able to put WIC-2Ts. It looks
> > > as though the 2651 doesn't support the NM-4T card, directly.
>
> > > The 2600 series is end of life and you can't get them any more, but
> > > replacing the chassis would involve getting another router (2800 or 3800
> > > series) into which you could put the same WICs or an NM-4T (a second
> > > hand 2691 would handle the NM-4T too, apparently). Alternatively you
> > > could buy a second router and connect it to the first using one of the
> > > ethernet ports - that's what I mean by daisychaining.
>
> > > Without just a little more detail of which 2651 model (plain or XM) and
> > > what the interfaces are used for it's difficult to say more.
>
> > > Hope that helps.
>
> > > Sam
>
> > I haven't use the Network Module slot yet.The fact is, I don't know
> > that it can use to provide WIC. Thanks for your information. I will
> > check out NM-2W.
>
> > Thanks you guys alot :)
>
> HHS is just trying to find a solution to the lack of interfaces... His
> original question about "stacking" seems to point me to simply putting
> another router on the same subnet and use a routing protocol to
> transfer information about which interface to forward the traffic.
>
> There's no need to replace or upgrade the current router... just put
> in another router that suits your needs and implement any of the many
> routing protocols available. (I suggest EIGRP for it's ease and
> flexibility) So in this sense, "stacking" of routers is completely
> possible.
>
> One thought on this however, you'll want to pay more attention to
> future-proofing your solutions. i.e. the next router you put in, plan
> for expansion.
>
> -JC
Hello,
So what about the performance? Among the two option:
1. get network module and WAN interface card
2. put another router and use routing protocol to transfer or forward
traffic (is it like add other hop? Will this increase delay)
Thanks,
hhs
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