[cisco-nas] Channelized E1 over more E1 links

Aaron Leonard Aaron at Cisco.COM
Fri Apr 2 11:35:46 EST 2004


White Paper
Alternatives for High Bandwidth Connections Using Parallel T1/E1 Links
http://www.cisco.com/warp/public/cc/pd/ifaa/pa/much/tech/althb_wp.htm

---

> Is there possibility to use other mechanism for P2P links, like using PPP on leased line configuration, but I'm not shure if this could be used on multiple interfaces. If there is 3PTY equipment in the network, I'm looking for soluition which is interoperable between vendors.

> Tomaz


> -----Original Message-----
> From: Oliver Boehmer (oboehmer) [mailto:oboehmer at cisco.com]
> Sent: Friday, April 02, 2004 10:57 AM
> To: Aljaz Tomaz ITWEG
> Cc: cisco-nas at puck.nether.net
> Subject: RE: [cisco-nas] Channelized E1 over more E1 links



> > I would like to have available more then 2Mbps available between
> > locations, e.g. 6Mbps available between ASs.

> Ah, so you want to use these cE1 not as pri-groups, but as
> channel-groups. Why don't you configure three parallel 2Mbit links and
> use standard CEF loadsharing
> (http://www.cisco.com/warp/public/105/loadbal_cef.html)?

> ip cef
> !
> controller e1 2
>  channel-group 0 timeslots 1-31
> controller e1 3
>  channel-group 0 timeslots 1-31
> !
> int s2:0
>  ip address ...
> !
> int s3:0
>  ip address ...

> ..etc.

> 	oli

> >
> > -----Original Message-----
> > From: Oliver Boehmer (oboehmer) [mailto:oboehmer at cisco.com]
> > Sent: Friday, April 02, 2004 9:14 AM
> > To: Aljaz Tomaz ITWEG
> > Cc: cisco-nas at puck.nether.net
> > Subject: RE: [cisco-nas] Channelized E1 over more E1 links
> >
> >
> > > I would like to configure Channelized E1 over more (2 or 3) physical
> > > E1 links between to ASs. Any ideas?
> >
> > Bundling multiple cE1 while retaining their channelized
> > characteristics on the "bundle interface" is not possible. What are
> > you trying to achieve?
> >
> > 	oli

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