Re: bit flags for default routing

From: NN Kumar <nagendra.cisco_at_gmail.com>
Date: Thu, 6 Aug 2009 21:28:18 -0700

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 - 21:28:18 ART

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