[c-nsp] Bonded DSL with Cisco 1800/877's
Adam Greene
maillist at webjogger.net
Wed Oct 29 09:18:57 EDT 2008
Skeeve,
Not sure if this completely fits your situation, but at least it will give
you something to chew on ...
Multilink PPP working with ADSL (1841 IOS 12.4(17)). Configs below are based
on getting "direct pvc's" from Verizon.
Thanks,
Adam
=======
CONFIGS
=======
-------
ISP END
-------
interface Multilink1
ip unnumbered Loopback0
ppp multilink
ppp multilink group 1
!
interface ATM1/0.2106 point-to-point
ip unnumbered Loopback0
pvc 2/106
protocol ppp Virtual-Template2
!
!
interface ATM1/0.2107 point-to-point
ip unnumbered Loopback0
pvc 2/107
protocol ppp Virtual-Template2
!
!
interface Virtual-Template2
no ip address
ppp multilink
ppp multilink group 1
----------
CLIENT END
----------
interface Multilink1
ip address x.x.x.x y.y.y.y
ip virtual-reassembly
ppp multilink
ppp multilink group 1
!
interface ATM0/0/0
no ip address
no ip mroute-cache
no atm ilmi-keepalive
dsl operating-mode auto
hold-queue 224 in
pvc 0/35
protocol ppp Virtual-Template1
!
!
interface ATM0/1/0
no ip address
no ip mroute-cache
no atm ilmi-keepalive
dsl operating-mode auto
hold-queue 224 in
pvc 0/35
protocol ppp Virtual-Template1
!
!
interface Virtual-Template1
no ip address
ppp multilink
ppp multilink group 1
----- Original Message -----
From: "Skeeve Stevens" <skeeve at skeeve.org>
To: "'Moerman, Maarten'" <m.moerman at marktplaats.nl>; <td_miles at yahoo.com>;
<cisco-nsp at puck.nether.net>
Sent: Tuesday, October 28, 2008 11:06 PM
Subject: Re: [c-nsp] Bonded DSL with Cisco 1800/877's
> Maarten, awesome configs and I thank you very much for those... great
> resource.
>
>>From the other perspective... do you, or anyone else know, about what is
> required on the ISP's end to do multi-link?
>
> We take DSL tails from multiple providers and they land on our 7200 LNS.
> Is
> there any specific config I have to do to allow/support ppp multi-link
> services?
>
> ...Skeeve
>
> -----Original Message-----
> From: Moerman, Maarten [mailto:m.moerman at marktplaats.nl]
> Sent: Wednesday, 29 October 2008 11:13 AM
> To: td_miles at yahoo.com; cisco-nsp at puck.nether.net; skeeve at skeeve.org
> Subject: RE: [c-nsp] Bonded DSL with Cisco 1800/877's
>
> The previous company i've worked for, i did setup bonding/bundling on
> cisco
> 1841's and cisco 28xx..
>
> I've made templates of those configuration files, I see they did change
> some
> things in those files, but here they are:
> ftp://dl.solcon.nl/pub/dsl/configs/Cisco/
>
> I think some people of solcon are also on this list (Rinse?) maybe they
> can
> post an example of how the virtual-template is being done on the NRP's
> (don't have access anymore :) )
>
> Maarten
>
>
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net on behalf of Tony
> Sent: Wed 10/29/2008 1:01 AM
> To: cisco-nsp at puck.nether.net; skeeve at skeeve.org
> Subject: Re: [c-nsp] Bonded DSL with Cisco 1800/877's
>
> Skeeve,
>
> Being in the same country as you, I know all about your problems with DSL
> and what you're trying to achieve :)
>
> We don't worry about an 1800, just have two 877 CPE's. On the 877 that is
> the default gateway for the site, it has routes like this:
>
> ip route 0/0 dialer1
> ip route 0/0 lan_ip_of_other_877
>
> The other 877 just has a single static route to the dialer interface.
>
> In the central site, we have the same, two equal cost routes pointing to
> the
> IP address of the dialer interface/IP of each the two 877's.
>
> It seems to work ok and also has the benefit that if one link goes down
> you
> can adjust a few routes and push everything onto the one remaining link.
>
> As per the article linked by a previous poster:
> http://blog.ioshints.info/2008/09/load-balancing-quirks.html
>
> You need to remember that traffic between two hosts (on either end of the
> link) will only be routed over ONE of the links at a time. This means that
> a
> single host doing a large transfer will only max out ONE of the links and
> not see the full bandwidth (make sure you are VERY clear to your customer
> about this aspect).
>
> We tend to use this a lot where we have branch offices that are doing
> Citrix/MSTSC over the link and so there are lots of smaller bandwidth
> traffic flows that balance fairly well across the two links. They outgrow
> a
> 512/512 link and as you well know, there is nothing to upgrade to in a lot
> of cases.
>
>
> regards,
> Tony.
>
>
>> Not having the time/budget to research the full
>> implications myself I am
>> approaching the list for advice.
>
> Making excuses for your laziness isn't a good way to start a request
> asking
> for help ;)
>
>
> --- On Wed, 29/10/08, Skeeve Stevens <skeeve at skeeve.org> wrote:
>
>> From: Skeeve Stevens <skeeve at skeeve.org>
>> Subject: [c-nsp] Bonded DSL with Cisco 1800/877's
>> To: cisco-nsp at puck.nether.net
>> Date: Wednesday, 29 October, 2008, 12:11 AM
>> Hey all,
>>
>> Not having the time/budget to research the full
>> implications myself I am
>> approaching the list for advice.
>>
>> In Australia we can do either ADSL, ADSL2/2+ or SHDSL for
>> the most part.
>>
>> I have a client wanting more bandwidth than any single of
>> these connections
>> can provide, without the availability of any other
>> offering.
>>
>> The aim - to provide as much bandwidth as possible using
>> ADSL technologies -
>> 2, 3, or 4 (would need a 2811?), but mostly 2 would be
>> fine.
>>
>> I am faced with a choice.
>>
>> A Cisco 1811 with 2 (or more - limit 4?) 877's in
>> bridge mode or equal
>> weighted routing
>>
>> Or
>>
>> A Cisco 1841 (or 2800 equiv) with 2 * HWIC-1ADSL cards
>>
>> Notes:
>> - The services will be going into the same DSL provider
>> - The services are delivered to the LNS as L2TP connections
>> - We managed both ends - the end customer equipment, and
>> the ISP's
>> LNS's (Cisco 7200G2)
>>
>> I've never done 'bonded' or 'ppp
>> multi-link?' with any of the above
>> hardware.. the last time was many years ago with
>> multi-linked 28.8 modems.
>>
>> Any thoughts or advice on the above? From the perspective
>> of either the
>> clients end, or the ISP's end or both.
>>
>> Thanks in advance guys.
>>
>> --
>> Skeeve Stevens, RHCE
>> skeeve at skeeve.org / www.skeeve.org
>> Cell +61 (0)414 753 383 / skype://skeeve
>>
>> eintellego - skeeve at eintellego.net - www.eintellego.net
>> --
>> I'm a groove licked love child king of the verse
>> Si vis pacem, para bellum
>>
>>
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>
>
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