From: Arnt Karlsen <arnt@c2i.net>
To: LiMeiYong <jobsli@21cn.com>
Cc: netfilter@lists.netfilter.org
Subject: Re: Chains policy and rules
Date: Mon, 28 Jul 2003 23:31:59 +0200 [thread overview]
Message-ID: <20030728233159.4ff89f5d.arnt@c2i.net> (raw)
In-Reply-To: <87969271865366.03228@send3.inner-21cn.com>
On Mon, 28 Jul 2003 13:47:25 +0800,
"LiMeiYong" <jobsli@21cn.com> wrote in message
<87969271865366.03228@send3.inner-21cn.com>:
>
> I use a PC with 3 NICs.
> Their configurations are:
> eth0: 152.201.3.179 mask 255.255.0.0
> eth1: 152.20.3.181 mask 255.255.0.0
..you route traffic for, uh...:
ipcalc -bnmp 152.201.3.179/16
NETMASK=255.255.0.0
PREFIX=16
BROADCAST=152.201.255.255
NETWORK=152.201.0.0
...around 130 thousand boxes on one pc??? Not at all bad! ;-)
..or, are these netmasks too wide? Searching 130 000 takes
a _while_, even if everything else works ok. Depending on
your network layout, reconsider your sub net strategy,
chances are _fat_ a few thousand subnets with an handful
of hosts in each, will prove faster. Good Luck. ;-)
--
..med vennlig hilsen = with Kind Regards from Arnt... ;-)
...with a number of polar bear hunters in his ancestry...
Scenarios always come in sets of three:
best case, worst case, and just in case.
prev parent reply other threads:[~2003-07-28 21:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-28 5:47 Chains policy and rules LiMeiYong
2003-07-28 9:09 ` Chris Wilson
2003-07-28 21:31 ` Arnt Karlsen [this message]
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