Re: OT - 4E1 to Fastethernet convertor

From: Andy Reid <ccie_at_reid.it>
Date: Mon, 12 Apr 2010 23:19:31 +0800

Hi Prashant,

This is something I used to use in my SP days - usually configured on a
backup router with up to 4 framed E1's.
Please find a template below using 2 E1's and a default route - you
could use virtual templates and dialers if required.

card type e1 0 0
!
controller E1 0/0/0
channel-group 0 timeslots 1-31
description WAN uplink 1/2
!
controller E1 0/0/1
channel-group 0 timeslots 1-31
description WAN uplink 2/2
!
interface Multilink1
description description WAN uplink
ip address WAN 255.255.255.252
ppp multilink
ppp multilink group 1
!
interface FastEthernet0/0
description Customer LAN
ip address CLIENT_LAN 255.255.255.248
no ip redirects
no ip proxy-arp
duplex full
speed 100
!
interface Serial0/0/0:0
description WAN uplink 1/2
no ip address
encapsulation ppp
ppp multilink group 1
!
interface Serial0/0/1:0
description WAN uplink 2/2
no ip address
encapsulation ppp
ppp multilink group 1
!
ip route 0.0.0.0 0.0.0.0 Multilink1
end

Note that I only every used a maximum of 4 E1's on a 2800 router. Also
note that the E1's should be from the same provider, following the same
path, and preferably on adjacent timeslots when they get added into an
SDH container for transport. I have experienced interleaving issues in
the past which were resolved by adding "ppp multilink interleave" and
"ppp multilink fragment-delay" commands.

regards Andy

jockey wearer wrote:
> Dear All,
>
> I am really thankful to be part of groupstudy and whenever I am in trouble
> ,I got clue from expert people .
>
> Again, I have to do some setup but little bit confuse as I dont have very
> much experience in E1line/T1 Lines.
>
> I want to connect 4 E1 line (Framed) which is input and 1 FastEthernet
> output by using cisco Router .
> I need to use it only for data .did cisco routers support that ?which model
> I need to select and which E1 card ?
> Is there any product rather than cisco which are cheaper ? I prefer cisco ..
>
> Thanks
> Prashant
>
>
> Blogs and organic groups at http://www.ccie.net
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Received on Mon Apr 12 2010 - 23:19:31 ART

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