[c-nsp] Cisco IIH padding

[Vitkovský Adam]

Interesting I never heard of the "always" option one learns something new every day. 
Though there's still this IIH padding madness when it gets to the actual size of the IIH datagram and the allowed offset between CLNS MTU and the actual IIH size. 

adam
> -----Original Message-----
> From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
> Pete Lumbis
> Sent: Tuesday, November 25, 2014 8:24 PM
> To: Alex K.
> Cc: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] Cisco IIH padding
> 
> "no hello padding always". The Always keyword has been hidden for a long
> time and was unhidden somewhat recently (I can't remember where). With
> "always" none of the hellos are padded.
> 
> On Tue, Nov 25, 2014 at 12:51 AM, Alex K. <nsp.lists at gmail.com> wrote:
> 
> > Hello everybody,
> >
> > Although I have “no hello padding” configured, the adjacency won't
> > come up until I limit the CLNS MTU on some link in my network (there
> > is an MTU issue on that link, it's not 1500).
> >
> > As far as I remember, Cisco IOS implementation of IS-IS will *still
> > send out first* IIHs padded, never mind I had “no hello padding”
> *configured*.
> > On the other hand, it seems like that isn't documented. Can anybody
> > kindly point out for me (and probably, for the rest of the list) the
> > correct documentation for that and if this is still relevant for
> > modern IOS/IOS-XE versions?
> >
> >
> >  Thank you.
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