LRP Maximum Clients?

[kevin]

Chris,
Thanks for the info on martian source.  I'll checkout those links later.
Regarding rh7, yep I know.  I tried connecting rh7 to the cable modem before
I built the router.=:(

Kevin
----- Original Message -----
From: "Chris Bopp" <cpb at spal455a.lll.hawaii.edu>
To: "Linux Users Anonymous" <luau at luau.hi.net>
Sent: Sunday, October 15, 2000 12:42 AM
Subject: [luau] Re: LRP Maximum Clients?


> Congrats, Kevin! From what I read of RH 7, the worst may not be over!!!!
>
> Regarding number of clients served by a masquerade - oh plenty. There are
> some firewall/forwarding setups that masquerade the whole Internet onto
> your private network (hopefully they don't all connect at once!). LRP
> specifically I don't know, certainly hundreds and probably millions
> (more slowly).
>
> Regarding "Martian packets", I thought "oh those are IP packets from a
> Class E network" and I set about surfing to find a good reference that
> defined "Class E" and linked it to "Martian". As is often the case, I
> found a bunch of stuff I didn't know I was looking for.
>
> Basically, there are several kinds of packets considered "Martian":
> * Class E address I was partly right!
> * loopback (127.whatever) packets on a non-loopback interface
> * packets on any interface that "should" have arrived on another
>   interface (like how could I reply to this address...I have more than one
>   physical interface that "leads" to it!) as mitigated by route metrics,
>   route cost daemons and the rp_filter kernel networking option.
> * packets from reserved (e.g., 1.whatever) or private networks (e.g.,
>   10.whatever and 192.168.whatever) that appear on a public interface.
>
> this is very briefly it, not too informative though
>  http://info.astrian.net/jargon/terms/m/martian.html
> same thing, more detail
>  ftp://ftp.sunet.se/pub/Internet-documents/matrix/news/v1/mars.102
> LRP-specific email thread archive
>  http://www.geocrawler.com/archives/3/303/2000/6/0/3961492/
> LARGE rfc document that's got it all (search for "Martian" or "Class E":
>  http://RF.Cx/rfc1812.html
>
> It is related to the rp_filter protection option in the 2.2 kernel, which
> can trip people who might WANT multiple IP packet routes (redundancy or
> load-balancing, perhaps).
>
> Chris Bopp
>
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