Hi,
GWB <[email protected]> writes:
> The Edgerouter Pro should have an iptables firewall, and my guess is
> that you can look at it with a VM (Dimension VM, or something like
> that). I gave up on using the router as anything other than a minimal
> firewall some time ago. But most people can make that work, and
> router processor capacity gets better and better over time. /48 looks
> familiar, but that must be a different notation than IP octal.
Correct, the /48 an IPv6 net-block size.
> /32 gives you exactly one host (2 to the 0=1, which is the 0 bit).
In IPv4, this is true. In IPv4 a /32 is a HUGE net block!
> /31
> gives you zero hosts (intuitively, 2 to the 1 should be 2 hosts, but
> this isn't the way it works; 0 bit gives one host, 1 bit gives zero).
> You could try "tightening up" your subnet masks on each segment of the
> LAN (i.e., a netmask of 255.255.255.192 would be a /26, or 6 bit, or
> 64 IP addresses; 255.255.255.224 is a 5 bit, or /27, 32 IP addresses).
> But that could break something else if the router thinks it has 256 IP
> addresses.
Yes, I understand all this. However, I don't see how any of this is
useful. Sorry.
> Gordon
-derek
--
Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
Member, MIT Student Information Processing Board (SIPB)
URL: http://web.mit.edu/warlord/ PP-ASEL-IA N1NWH
[email protected] PGP key available
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