Re: RSVP and LDP

Believe we need targeted ldp in that case aswell

2012/2/2, GAURAV MADAN <gauravmadan1177_at_gmail.com>:
> I think things are being mixed up here .
>
> When RSVP is used with TE .. RSVP will do the label distribution .
> Hence role of LDP as a protocol for label distibution is eliminated as you
> are doing same thing using RSVP .
>
> And also ; i believe that in MPLS L3 VPN scenario as well ; running only
> RSVP and no LDP anywhere in core can achieve your goal .
>
> Regards
> Gaurav Madan
> CCIE
>
> On Thu, Feb 2, 2012 at 5:14 PM, Mustafa Yadav
> <mustafa.yadav_at_gmail.com>wrote:
>
>> so when ldp is going down all te tunnles are going to be down?
>>
>> but in one of my case ldp goes down but te tunnels did not.
>>
>> Also I seee ldp neigbor is up for 4 hours but mpls te tunnel up for 8
>> hours.and 4 hours ago ldp went down.
>>
>> On Thu, Feb 2, 2012 at 1:18 PM, sundeep sadhwani <
>> sundeep.sadhwani_at_gmail.com
>> > wrote:
>>
>> > Hi Mustafa,
>> >
>> > RSVP is used for reservation of bandwidth in TE environment( i am giving
>> u
>> > a very high level view). However plain MPLS-TE is not used in production
>> > scenario as SPs have MPLS-VPN as well. for that purpose we require LDP
>> > as
>> > well to distribute IGP labels that will be required for PE to PE
>> > communication in case of MPLS-VPN.
>> >
>> > Regards
>> > Sundeep
>> >
>> > On Thu, Feb 2, 2012 at 4:41 PM, Mustafa Yadav <mustafa.yadav_at_gmail.com
>> >wrote:
>> >
>> >> HD0,
>> >>
>> >>
>> >> In a cisco network I have seen mpls traffic engineneering tunnels are
>> >> being
>> >> used .So as far as I know rsvp must be configured .But I alos see that
>> ldp
>> >> is configured in all boxes.why is that?Is not rsvp enough for
>> distrbuting
>> >> labels?
>> >>
>> >>
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>

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