Re: bgp

You should be able to use either an exist-map OR a non-exist-map. Check the
DocCD at
http://www.cisco.com/en/US/customer/docs/ios/iproute/command/reference/irp_bgp3.html#wp1012658.

-- 
Cheers,
Jared Scrivener, CCIE3 #16983 (R&S, Sec, SP), CISSP
Instructor, Mentor, Consultant
Homepage: www.JaredScrivener.com
Email: Jared_at_JaredScrivener.com
Twitter: ascentience
LinkedIn: www.linkedin.com/in/jaredscrivener
On Thu, Nov 26, 2009 at 8:13 PM, jack daniels <jckdaniels12_at_gmail.com>wrote:
> But it doesnt solve my problem -  I know conditional advertisement
>
> but in my case how can I say -
>
>
> advertise 1.1.1.0/24 when Fake subnet in my BGP table ?
>
> command syntax is
> advertise-map and non-exist-map >>>
>
> It would have been possible if command was
>
> advertise-map and EXIST-map
>
> On Thu, Nov 26, 2009 at 2:37 PM, Jared Scrivener <lists_at_jaredscrivener.com
> > wrote:
>
>> That's a pretty neat solution, Uchil: I like it.
>>
>> --
>> Cheers,
>>
>> Jared Scrivener, CCIE3 #16983 (R&S, Security, Service Provider), CISSP
>> Instructor, Mentor, Consultant
>> Homepage: www.JaredScrivener.com <http://www.jaredscrivener.com/>
>> Email: Jared_at_JaredScrivener.com
>> Twitter: ascentience
>> LinkedIn: www.linkedin.com/in/jaredscrivener
>>
>> On Thu, Nov 26, 2009 at 7:55 PM, Uchil Perera <uchil.groupstudy_at_gmail.com
>> > wrote:
>>
>>> Hi,
>>>
>>> You can create a route pointing to a fake subnet and track it with IPSLA,
>>> for IPSLA use an interface on the FW. Then use BGP conditional route
>>> advertisement to advertise 1.1.1.0/24 subnet only if your fake subnet is
>>> in
>>> the BGP table. Please not for conditional BGP to work, subnets have to be
>>> in
>>> the BGP table, hence you need to advertise the fake subnet in BGP and
>>> filter
>>> it out the SP interface.
>>>
>>> Please refer below link
>>>
>>>
>>> http://www.cisco.com/en/US/tech/tk365/technologies_configuration_example09186a0080094309.shtml
>>>
>>> Rgds
>>>
>>> Uchil Perera
>>> CCIE# 18536
>>> On Thu, Nov 26, 2009 at 9:00 AM, jack daniels <jckdaniels12_at_gmail.com
>>> >wrote:
>>>
>>> > but even if I poll FW and track it ,
>>> > how to apply this IP SLA POLL to BGP router-map or network statement.
>>> >
>>> > On Thu, Nov 26, 2009 at 1:23 PM, ajaz nawaz <ajaz.nawaz_at_gmail.com>
>>> wrote:
>>> >
>>> > > IP SLA or other methods as suggested.
>>> > >
>>> > > Ajaz Nawaz
>>> > > CCIE#15721
>>> > >
>>> > > 2009/11/26 jack daniels <jckdaniels12_at_gmail.com>
>>> > >
>>> > > > Hi,
>>> > > >
>>> > > > Subnets are same as in advertise map and conditional map , plzz
>>> check
>>> > the
>>> > > > diag
>>> > > >
>>> > > > On Thu, Nov 26, 2009 at 1:15 PM, Shaughn Smith <
>>> shaughn.s_at_cvnnet.co.za
>>> > > > >wrote:
>>> > > >
>>> > > > > What about using an advertise-map in BGP ?
>>> > > > >
>>> > > > > -----Original Message-----
>>> > > > > From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On
>>> Behalf
>>> > > Of
>>> > > > > jack daniels
>>> > > > > Sent: Thursday, November 26, 2009 9:37 AM
>>> > > > > To: Cisco certification
>>> > > > > Subject: bgp
>>> > > > >
>>> > > > > Hi All,
>>> > > > >
>>> > > > > I have a customer scenario where
>>> > > > >
>>> > > > >
>>> > > > > ISP 2.2.2.1----2.2.2.2 router1.1.1.1/24 -------Switch -----------
>>> > > > > 1.1.1.2/24FW------LAN
>>> > > > >
>>> > > > >
>>> > > > > ISP and router are running BGP. Now I want to advertise the
>>> > 1.1.1.0/24
>>> > > > > when
>>> > > > > FW is up if FW is down I dont want to advertise this subnet. I
>>> have
>>> > > > > redundancy so will use redundant media and firewall . my
>>> querriery is
>>> > > > > how
>>> > > > > not to advertise in BGP 1.1.1.0/24when my FW is down.
>>> > > > >
>>> > > > >
>>> > > > > Blogs and organic groups at http://www.ccie.net
>>> > > > >
>>> > > > >
>>> > _______________________________________________________________________
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