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RE: ICMP [7:61004] posted 01/14/2003
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Hmm...that suggests that a VLSM-aware redirect would be useful. Send the
mask along with the network address in other words. Does such a thing exist,
or has it ever been proposed?


> Answer: The host can't know about subnet masks being used
> elsewhere. Also, with classless addressing, it can't assume a
> Class A mask for network 10.0.0.0.
> 
> The host can't know for sure that ALL of 10.0.0.0/8 is
> reachable by the router that claims that it is. With
> variable-length subnet masking, classless addressing,
> discontiguous subnets and all the other things people do to
> their network designs, the safest thing for the host to do is
> to place a host-specific route into its table.
> 
> Just thought I'd turn this into a more advanced "lesson." :-)
> 
> _______________________________
> 
> Priscilla Oppenheimer
> www.troubleshootingnetworks.com
> www.priscilla.com
> 
> 
> > 
> >  
> > 
> > Thanks in advance.
> > 
> > -DJ
> > 
> > 
> > 
> > 
> > ---------------------------------
> > With Yahoo! Mail you can get a bigger mailbox -- choose a size
> > that fits your needs
> > 
> > 
> 
> 




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