On Fri, 28 Jul 2000, Duncan Maccubbin wrote:
> Something to consider. Although the 3600 can support a HSSI port you need
> to think about how much throughput will be going through the router. We had
> a 3640 with about 80 BGP entries and about 50 lines of ACL on it with 128MB
You had 80 BGP neighbors?
> of RAM. It had 10-12MB sustained throughput on one of its interfaces and it
> would shut the interface down every few hours due to overflowing. Cisco
The 3640 can handle various amount of traffic depending on the
interface. For a HSSI interface, the 3640 is rated to do 45MB both
ways. You can put up to 3 in the 3640, but you will still only see
average 45MB each ways.
With the ATM interface, you can get 20-80Mbps depending on packet
types. Alot of this has to do with your config as well, policy routing,
etc.
> said that we could use it a little longer with 256MB of RAM but that the
> 3640 really just can't handle that much sustained throughput. Heck, it ran
3640's can only go up to 128MB.
> 60% cpu utilization all the time. IMHO, if you really need the T3 then the
> 3600 may not be the right router for the situation. We replaced the 3640
> with a 7513 and it runs at 5% now. For all the T3s we get now we don't use
> anything less than a 7000 series. Just my $.02
I agree if you are pushing high amounts of traffic 3640 may not be the way
to go. It can do a considerable amount, it just depends on what
interfaces you are using and whatnot. ATM/HSSI are both available for it
and work reasonably well, but not under heavy loads.
Brian
>
> Duncan
>
>
> At 09:32 PM 7/27/00 -0500, D Stevens wrote:
> >All,
> >
> >We are installing a T3 circuit (point-to-point between 2 local sites)and
> >looking for 2 routers that support a T3 interface. Have only found the
> >7000 series, does the 2600/3600 series support a T3 interface.
> >
> >Also, should a multiplexor/channelized be used for the connection?
> >I believe they may break out around 10 channels for phone but this
> >is still up in the air.
> >
> >I have not handled a T3 before, just a regular T1 interfaces.
> >
> >Any suggestions or whitepapers would greatly be appreciated.
> >Thank you in advance for the tips and feedback.
> >[EMAIL PROTECTED]
> >
> >
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> ===========================================
> Duncan Maccubbin | [EMAIL PROTECTED]
> Senior Network Engineer
> MCP+I,MCSE,CCNA,CCDA,CCNP
> CapuNet, LLC - Corporate Internet Solutions
> (301) 881-4900 x8039
> ===========================================
>
> ___________________________________
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-----------------------------------------------
Brian Feeny, CCNA, CCDA [EMAIL PROTECTED]
Network Administrator
ShreveNet Inc. (ASN 11881)
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