[j-nsp] Configuring SDH on a SONET interface

[Jared Mauch]

	It should be noted that this is a per-PIC choice, so if you
have a 4xOC3 pic (for example) you can only terminate sdh links or sonet
links on it, not a mixture.

	Keep this in mind when considering your sparing,
emergency backup procedures, etc.. for a device.

	- Jared

On Fri, Mar 12, 2004 at 12:43:01PM -0500, Dave Curado wrote:
> Hi Richard,
> 
> set chassis fpc 0 pic 0 framing ?
> Possible completions:
>   sdh                  SDH mode
>   sonet                SONET mode
> 
> 
> 
> On Fri, Mar 12, 2004 at 12:37:56PM -0500, Richard A Steenbergen wrote:
> > Ok I must be going nuts... I don't see ANY options for configuring SDH
> > mode under an interface, nor do I see anything in the online
> > documentation.
> > 
> > http://www.juniper.net/techpubs/software/junos/junos62/swconfig62-interfaces/html/interfaces-sonet-config.html
> > 
> > SONET and SDH traffic streams exhibit very few differences in behavior
> > that are significant to Juniper Networks SONET/SDH interfaces; in general,
> > this chapter uses SONET/SDH to indicate behavior that is identical for the
> > two standards. However, there is one important difference that requires
> > you to configure the interface specifically for SONET or SDH mode. That
> > difference is in the setting of two bits (the ss-bits) in the pointer.  
> > SONET equipment ignores these bits, but SDH equipment uses them to
> > distinguish a VC-4 payload from other types. When configured in SDH mode,
> > Juniper Networks SONET/SDH PICs set the ss-bits to s1s0 2 (binary 10). For
> > more information, see the JUNOS Internet Software System Basics
> > Configuration Guide.
> > 
> > Clearly there is a SDH mode, but I see NOTHING about how to enable it,
> > even under Internet Software System Basics. What am I missing here?
> > 
> > -- 
> > Richard A Steenbergen <ras at e-gerbil.net>       http://www.e-gerbil.net/ras
> > GPG Key ID: 0xF8B12CBC (7535 7F59 8204 ED1F CC1C 53AF 4C41 5ECA F8B1 2CBC)
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-- 
Jared Mauch  | pgp key available via finger from jared at puck.nether.net
clue++;      | http://puck.nether.net/~jared/  My statements are only mine.