Re: ADSL failover scenerio

HI Bobola, I am using IOS version 15.0 M6, and 2951 routers. Both the IOs
and platform are new. i am checking the command reference, and the same
syntax is supported. I will implement it and will tell u incase it doesnt
work.

Thanks for helping.

On Thu, Sep 30, 2010 at 6:21 PM, Bobola Oke <okebobola_at_gmail.com> wrote:

> hi Noor,
>
> I guess it depends on the IOS version you're using, but 12.4 supports
> these commands:
>
> route-map INTERNET_POLICY permit 10
> match ip address STUDENT_ACL_EVEN
> set ip next-hop verify-availability 10.10.34.140 1 track 1
> set ip next-hop verify-availability 10.10.34.145 2 track 2
> set ip default next-hop 10.10.34.150
>
> check the command reference for these commands, you should be able to
> meet your requirements with them... especially with the sequence to
> insert into next-hop list numbers
>
> hth
>
> -Bobola Oke
>
>
> On 9/30/10, Khurram Noor <engr.khurramnoor_at_googlemail.com> wrote:
> > Hello Everyone,
> >
> > I want to discuss a scenerio is which i have to distribute traffic
> incoming
> > from 3 different VLans, to three ADSL links and one leased line. i was
> able
> > to distribute traffic from all these vlans using policy based routing and
> by
> > distributing clients onto these circuits on odd and even ip basis. Below
> is
> > the clarification.
> >
> > ADSL1---> Even Students,
> > ADSL2---> Odd Student
> > ADSL3---> Even Staff, All Guest
> > LL----------> Odd Staff
> >
> > After achieving this, the requirment is to perform a failover of internet
> > traffic to another link incase any of these link fails. Like if ADSL1
> fails,
> > the even students internet traffic should automatically start passing
> > through ADSL2 that is used for odd students and vice versa. Same goes for
> > Staff and Guests. I thought that i can achieve this using ip sla. I
> created
> > ip sla's for testing a icmp to a internet address using one of the inside
> > interface through the gateways of each dsl and lease line circuit. I made
> a
> > track object to check for the status. But now the problem is that how can
> i
> > use this tracking object to change policy based routing desicion. Is
> there a
> > way to use this track object inside route-map? Below is the hint of my
> > configuration.
> >
> > This is one of the three IP sla for a adsl circuit test.
> >
> > ip sla 1
> > icmp-echo 8.8.8.8 source-ip 10.10.34.140 [lan ip adsl router 1]
> > threshold 500
> > timeout 1000
> > frequency 1
> > ip sla schedule 1 life forever start-time now
> > !
> > track 1 ip sla 1 reachability
> > delay down 10 up 10
> > !
> >
> > How can i use it to change the decision in the below route-map, so if
> there
> > is no icmp recieved from 8.8.8.8 using source ip of 10.10.34.140 it
> should
> > send the request to the other adsl router 10.10.34.141.
> >
> > ip access-list extended STAFF_ACL_EVEN
> > permit ip 10.10.12.0 0.0.0.254 any
> >
> > route-map INTERNET_POLICY permit 10
> > match ip address STUDENT_ACL_EVEN
> > set ip next-hop 10.10.34.140
> > !
> >
> > I hope someone had some experience doing this.
> >
> > --
> > Khurram Noor
> > CCIE # 24419
> >
> > http://www.linkedin.com/in/khurramnoor
> >
> >
> > Blogs and organic groups at http://www.ccie.net
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
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> >
> >
> >
> >
> >
> >
> >
> >
>
>
> --
> Bobola Oke
>

-- 
Khurram Noor
CCIE # 24419
http://www.linkedin.com/in/khurramnoor
Blogs and organic groups at http://www.ccie.net