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RE: How to loadshare over many E1 links

  • From: Martin, Christian
  • Date: Fri Sep 18 12:35:03 1998

I didn't know there was any full-duplex 10BaseT spec...

-Chris

> -----Original Message-----
> From: Scott Whyte [mailto:swhyte@cisco.com]
> Sent: Friday, September 18, 1998 11:40 AM
> To: Jesper Skriver; nanog@merit.edu
> Cc: tdk-backbone@t.dk
> Subject: Re: How to loadshare over many E1 links
> 
> 
> Jesper,
> 
> You might consider MLP (multi-link PPP), with VIP2/50's.
> 
> If you do go with an IMUX, I definitely recommend a HSSI to 
> the routers, rather than Ethernet, unless the Ethernet is 
> full-duplex.  I've seen really poor performance due to 
> collisions on the Ethernets at either end because the middle 
> is actually 16Mbps full-duplex...
> 
> Scott
> 
> 
> At 12:57 AM 9/18/98 , Jesper Skriver wrote:
> >Hi,
> >
> >How would you loadshare over many (>6) parallel E1 links. 
> Currently we
> >do it by connecting them directly to the Cisco's in each end, and do
> >CEF based per-packet loadsharing, it works fine, but support a max of
> >6 E1's ...
> >
> >I've been thinking om something similar to the Larscom inverse MUX
> >(http://www.larscom.com/t3ft3/t3_megae.htm), but this one 
> only support
> >4 E1's, then I can use multiple i-mux's and loadshare over 
> the 8M links
> >they provide, but it seems like a poor solution.
> >
> >Yes, I do know that a E3 would be a far better choice, but our ADM 
> >(Add-Drop-Multiplexer??) at this specific location only support
> >E1's :-(
> >
> >/Jesper
> >
> >-- 
> >Jesper Skriver (JS249-RIPE), Network manager      
> >Tele Danmark DataNet, IP section (AS3292)
> >
> >One Unix to rule them all, One Resolver to find them,
> >One IP to bring them all and in the zone to bind them.
> > 
> ----
> Scott Whyte                      |"Computers are different 
> from telephones.
> Network Supported Accounts       | Telephones ring.  
> Computers do not ring."
> CCIE                             |                   -- 
> Andrew S. Tanenbaum
> 




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