[46892] in North American Network Operators' Group

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Re: 31 bit ptp link addressing?

daemon@ATHENA.MIT.EDU (Adrian Chadd)
Mon Apr 15 22:22:09 2002

Date: Tue, 16 Apr 2002 10:21:25 +0800
From: Adrian Chadd <adrian@creative.net.au>
To: nanog@merit.edu
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On Sun, Apr 14, 2002, Adrian Chadd wrote:

> Summarising the few private replies I've had:
> 
> * a few people did reply saying that they're using it successfully
> * someone reported that it worked successfully on 12000 and some 7500 series
>   routers, running a 12.0S train IOS
> * someone else reported that any IOS train that has been eligible to receive
>   "new features" in the last 9 months will have /31 bit PtP support
> * I can add that vendor N's broadband concentrator doesn't allow you to
>   add a /31 (they actually let you assign up to /30, then /32 to an interface :)
> 
> I hope this is of some interest to the list members.
> If anyone is running /31's on PtP links on vendor J's equipment, I'd like to
> hear from you.

Update:

Juniper:
 
Works in 5.x trains. Works in 4.x trains, but there's been a report
that /31 support is broken in 4.4R2.3
 
Extreme:
 
Reported to work on the Alpine 3804, running software v6.2 .
 
Redback:
  
Reported to work with sw v3.1 on the SE800, but apparently has been
in there for a while.


-- 
Adrian Chadd			"For a sucessful technology, reality must
<adrian@creative.net.au>	  take precedence over public relations,
				    for nature cannot be fooled" - Feynmann

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