[c-nsp] MPLS TE conver from IOS to IOS-XR

[Xu Hu]

You can use the Cisco Tools of "Cisco Feature Navigator" to check whether
your platform can support or not.

Xu Hu
2012/2/27 David Barak <thegameiam at yahoo.com>

> BFD is great stuff. Is there any chance of getting BFD on the 45k platform?
>
> David Barak
> (apologies for the mobile-device-style top post)
>
>  ------------------------------
> * From: * Oliver Boehmer (oboehmer) <oboehmer at cisco.com>;
> * To: * <mtinka at globaltransit.net>; Xu Hu <jstuxuhu0816 at gmail.com>;
> * Cc: * <cisco-nsp at puck.nether.net>;
> * Subject: * Re: [c-nsp] MPLS TE conver from IOS to IOS-XR
> * Sent: * Mon, Feb 27, 2012 5:58:18 AM
>
>
> > > "Timer intervals configured, Hello 333 msec, Dead 1, Wait
> > > 1, Retransmit 5"
> >
> > So what you're talking about is the "OSPF Support for Fast
> > Hellos" feature from Cisco:
> >
> > http://www.cisco.com/en/US/docs/ios/12_0s/feature/guide/fasthelo.html
> >
> >
> > This feature combines the Hello Interval and Dead Interval,
> > along with some enhancements that make it behave like BFD in
> > a way.
> >
> > AFAICT, it's only supported in IOS (and perhaps, IOS XE).
> > You can tweak both the Hello and Dead Interval timers in IOS
> > XR, but they lack of the enhancements to enable fast
> > detection.
> >
> > For IOS XR, yes, BFD is your best bet.
>
> this holds true for any platform, fast hellos just don't scale.. so
> please use BFD if you need to detect neighbour failures quickly.
>
>     oli
>
>
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