RE: ISATAP interface ... if PRL is empty disable interface?

["Tim Gleeson \(tgleeson\)" <tgleeson@cisco.com>]

John,

The SHOULD NOT is there to discourage use of ISATAP on the Internet when
the PRL is empty. However, since it is a SHOULD NOT, within a site one
can configure ISATAP to be used anyway.

Tim

> -----Original Message-----
> From: owner-v6ops@ops.ietf.org 
> [mailto:owner-v6ops@ops.ietf.org] On Behalf Of John Spence
> Sent: Monday, September 26, 2005 11:17 PM
> To: v6ops@ops.ietf.org
> Subject: ISATAP interface ... if PRL is empty disable interface?
> 
> 
> v24 of the ISATAP spec, 8.3.2, says that:
> 
> "After initializing an ISATAP interface's PRL, if the PRL is 
> empty the node SHOULD disable the interface."
> 
> Just because there is no default router, ISATAP client nodes 
> can exchange traffic using their link-local addresses on the 
> virtual ISATAP link.  That would be consistent with native 
> nodes - just because they have no router, and no way off the 
> link, they still configure link-local addresses and stand 
> ready to talk to other nodes that are on-link - they do not 
> disable the interface.
> 
> Is there something else in the Spec I missed that allows 
> nodes to communicate using link-local addresses in the 
> absence of an ISATAP router?
> 
> John Spence
> ----------------------------------------------------
> John Spence, CCSI, CCNA, CISSP
> Native6, Inc.
> IPv6 Training and Consulting
> jspence@native6.com
> (wk) 206-682-0275
> www.native6.com
> ----------------------------------------------------
>