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List:       cisco-nsp
Subject:    Re: [c-nsp] MPLS TE conver from IOS to IOS-XR
From:       Xu Hu <jstuxuhu0816 () gmail ! com>
Date:       2012-03-26 10:15:37
Message-ID: CAJ8G0mX9YZgS70Jh+U61qAL-Oaw84gqgHo_cj5Q=yhB-pf+JGg () mail ! gmail ! com
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Hi Team,
I had something new to updated this topic. I want to highlight two things
that need to be careful.
1. In the auto-tunnel mesh, if you want to define the destination-list,
must remember to use the prefix list not the access-list, if you use the
access-list, the auto-tunnel also can created, but the number and path is
wrong, i trouble shooting so much time.
2.If you don't see the backup tunnel work, you need to check if you enable
the backup tunnel under the interface.
The command is like this: mpls traffic-eng interface auto-tunnel backup,
that's all.

Hu Xu

2012/2/27 Xu Hu <jstuxuhu0816@gmail.com>

> 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@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@cisco.com>;
>> * To: * <mtinka@globaltransit.net>; Xu Hu <jstuxuhu0816@gmail.com>;
>> * Cc: * <cisco-nsp@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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>>
>
>
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