Re: bit flags for default routing

From: Anantha Subramanian Natarajan <anantha.natarajan_at_gravitant.com>
Date: Thu, 6 Aug 2009 23:29:35 -0500

No problem and got your explanation ..Thanks

On Thu, Aug 6, 2009 at 11:28 PM, NN Kumar <nagendra.cisco_at_gmail.com> wrote:

> Yes. You are right...Bad memory :)
> Regards,
> Nagendra
>
>
> On Thu, Aug 6, 2009 at 9:26 PM, Anantha Subramanian Natarajan <
> anantha.natarajan_at_gravitant.com> wrote:
>
>> Hi Nagendra,
>>
>> Thanks for the response. Do yo mean "ip default-network" command
>> ?....If so,I got your explanation.Thank you for explaining and clarifying
>> the purpose of bit flag for default routing
>>
>> Regards
>> Anantha Subramanian Natarajan
>>
>> On Thu, Aug 6, 2009 at 11:19 PM, NN Kumar <nagendra.cisco_at_gmail.com>wrote:
>>
>>> Hi Anantha,
>>> As yo might be aware, IGRP, being classful routing protocol doesnt
>>> advertise "0.0.0.0" network. Instead, you configure "ip default-subnet
>>> <SUBNET>" to advertise the default candidate which will be set as Gateway of
>>> last resort in other routers.
>>>
>>> When "ip default-subnet " command is configured on a router, the router
>>> will set this FLAG in External TLV to inform other routers to use this
>>> subnet as default candidate route.
>>>
>>> HTH,
>>> Nagendra
>>>
>>> On Thu, Aug 6, 2009 at 2:32 PM, Anantha Subramanian Natarajan <
>>> anantha.natarajan_at_gravitant.com> wrote:
>>>
>>>> Hi All,
>>>>
>>>> I was referring to this link
>>>>
>>>> http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080093f07.shtmland
>>>> was reading under the heading "Route
>>>> Tagging".Uder the same,it mentions as below.In that,what is meant by bit
>>>> flags for default routing means and how it is useful or what is its
>>>> significance.Thanks for the help.
>>>>
>>>>
>>>> External routes are tagged with the following information:
>>>>
>>>> -
>>>>
>>>> The router ID of the EIGRP router that redistributed the route.
>>>> -
>>>>
>>>> The AS number where the destination resides.
>>>> -
>>>>
>>>> A configurable administrator tag.
>>>> -
>>>>
>>>> Protocol ID of the external protocol.
>>>> -
>>>>
>>>> The metric from the external protocol.
>>>> -
>>>>
>>>> *Bit flags for default routing*
>>>>
>>>> Regards
>>>> Anantha Subramanian Natarajan
>>>>
>>>>
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Received on Thu Aug 06 2009 - 23:29:35 ART

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