Re: Conditional Advertise

I have tried both the solutions and both doesn't work. As soon as the first
statement is matched it exits. If i specify the first prefix in the
route-map along with another prefix as divin said and shut down that
interface, it does the same thing.

Ahmed.

On Sat, Aug 29, 2009 at 12:04 PM, Ahmed Ejaz <aahmedejaz_at_gmail.com> wrote:

> Hi, mine doesn't work :) i am labbing it up ... will let u know
>
> Ahmed
>
> On Sat, Aug 29, 2009 at 11:59 AM, Sagar Rane <sagar.ccie_at_gmail.com>wrote:
>
>> Hi Ahmed,
>>
>> I have tried it and it doesn't work, just see that logic, the exist match
>> crieteria is met , avertise map will advertised it. Now give it a thought,
>> if only tracl1 prefix is avilable , it meets the condition from route-map
>> line 0 and doesn't go to line 20.
>>
>> Hence 192.168 is advertised.
>>
>> Have you tried it and has it worked for you?
>>
>> Regards,
>> Sagar
>>
>> On Sat, Aug 29, 2009 at 7:21 AM, Ahmed Ejaz <aahmedejaz_at_gmail.com>wrote:
>>
>>> I think the goal is to advertise the 192 route if both 10 and 20 networks
>>> in the routing table exist. What you have mentioned is same as my config i-e
>>> I am matching 2 networks in one prefix list and you are matching 2 networks
>>> in 2 prefix lists but the route-map will do the same as both the matches are
>>> made in a single statement. If the requirement was to advertise the 192
>>> network if either 10 or 20 exist (one of them) then the route map would
>>> change for example:
>>>
>>> route-map ADVERTISE permit 10
>>> match ip address prefix TRACK1
>>>
>>> route-map ADVERTISE permit 20
>>> match ip address prefix TRACK2
>>>
>>> REgards
>>>
>>> Ahmed.
>>>
>>> On Sat, Aug 29, 2009 at 11:15 AM, Divin Mathew John <
>>> divinjohn_at_gmail.com> wrote:
>>>
>>>> Wont this trigger the advertise-map if one route is there in the routing
>>>> table?
>>>>
>>>> i thinkthis would do the dew.
>>>>
>>>> ip prefix-list TRACK1 permit 10.1.1.0/24
>>>> ip prefix-list TRACK2 permit 20.2.2.2/32
>>>> ip prefix-list ADVER permit 192.168.10.0/24
>>>>
>>>> route-map ADVERTISE permit 10
>>>> match ip address prefix ADVER
>>>>
>>>> route-map EXIST match-all permit 10
>>>> match ip address prefix TRACK1
>>>> match ip address prefix TRACK2
>>>>
>>>> router bgp xyz
>>>> advertise-map ADVERTISE exist-map EXIST
>>>>
>>>>
>>>> On Sat, Aug 29, 2009 at 11:42 AM, Ahmed Ejaz <aahmedejaz_at_gmail.com>wrote:
>>>>
>>>>> Try this:
>>>>>
>>>>> ip prefix-list TRACK permit 10.1.1.0/24
>>>>> ip prefix-list TRACK permit 20.2.2.2/32
>>>>> ip prefix-list ADVER permit 192.168.10.0/24
>>>>>
>>>>> route-map ADVERTISE permit 10
>>>>> match ip address prefix ADVER
>>>>>
>>>>> route-map EXIST permit 10
>>>>> match ip address prefix TRACK
>>>>>
>>>>> router bgp xyz
>>>>> advertise-map ADVERTISE exist-map EXIST
>>>>>
>>>>> HTH
>>>>>
>>>>> Ahmed
>>>>>
>>>>> On Sat, Aug 29, 2009 at 10:57 AM, Sagar Rane <sagar.ccie_at_gmail.com>
>>>>> wrote:
>>>>>
>>>>> > Hi All,
>>>>> >
>>>>> > I have requirement where, bgp should check its bgp routing table for
>>>>> two
>>>>> > routes eq (10.1.1.0/24 and 20.2.2.2/32) and only if both routes are
>>>>> > present,
>>>>> > it should originate a route advertisement of 192.168.10.0/24.
>>>>> >
>>>>> > I have tried advertise-map and exist map, but how can we used
>>>>> exist-map to
>>>>> > check both the routes at the same time?
>>>>> >
>>>>> > Anyway how we can meet this requirement please let me know.
>>>>> >
>>>>> > Regards,
>>>>> > Sagar
>>>>> >
>>>>> >
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>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>>
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Received on Sat Aug 29 2009 - 12:36:12 ART