[c-nsp] RSVP Hello - FastReroute and Reroute keywords

[Alaerte.Vidali at nokia.com]

Bruce,

I found that before, but reading it does not clarify the difference.

Do you understand the difference?

Tks,
Alaerte


ip rsvp signalling hello refresh interval 

Usage Guidelines 
You can configure the hello request interval on a per-interface basis. A
node periodically generates a hello message containing a Hello Request
object for each neighbor whose status is being tracked. The frequency of
those hello messages is determined by the hello interval. 

If you issue the ip rsvp signalling hello refresh interval command
without the optional fast-reroute keyword, the command applies to Fast
Reroute hellos. This command is provided for backward compatibility;
however, we recommend that you use the ip rsvp signalling hello
fast-reroute refresh interval command. 


ip rsvp signalling hello reroute refresh interval 

Usage Guidelines 
You can configure the hello request interval on a per-interface basis. A
node periodically generates a hello message containing a Hello Request
object for each neighbor whose status is being tracked. The frequency of
those hello messages is determined by the hello interval. For some
routers, if you set the interval to a value less than the default value,
CPU usage may be high. 


 

-----Original Message-----
From: ext Bruce Pinsky [mailto:bep at whack.org] 
Sent: Friday, March 09, 2007 1:20 PM
To: Vidali Alaerte (Nokia-NET/RioDeJaneiro)
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] RSVP Hello - FastReroute and Reroute keywords

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Alaerte.Vidali at nokia.com wrote:
>  Hi,
> 
> Do you have good references that explain "reroute" keyword in command 
> "ip rsvp signaling hello..."?
> 
> I just found some documents with limited information that did not 
> clarify the difference.
> 
> This is the command and options (not related options removed):
> 
> OSR-1(config-if)#ip rsvp signaling hello ?
>    fast-reroute      Configure RSVP Hello refresh behavior for
> Fast-Reroute
>    refresh           Configure RSVP Hello refresh behavior for
> Fast-Reroute
>    reroute           Configure RSVP Hello refresh behavior for Reroute
>   
> 
> OSR-1(config-if)#ip rsvp signaling hello reroute ?
>   refresh  Configure RSVP Reroute Hello refresh behavior
> 
> If not using "reroute" keyword, it defaults to fast-reroute.
> When "reroute" is specified, minimum value for refresh value is 1 
> second.
> 


http://www.cisco.com/en/US/products/ps6922/products_feature_guide09186a0
08027dbda.html#wp1032378

- --
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bep

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