Linux Router KIT
jtownsend at tccomputers.com
jtownsend at tccomputers.com
Wed Oct 28 21:10:38 UTC 1998
Another group doing this is the Linux Router Project:
http://www.linuxrouter.org
On 28-Oct-98 dirk at power.net wrote:
>
> We are also using Linux as routers/firewalls. Our twist is that the
> boxes have no harddrives! Instead we have hacked the software a little
> and now run 100% from CD-ROM. Bascially / is on a ramdisk. Our typical
> box has a 60MByte RAM disk out of 128MByte total RAM. Very fast.
>
> We can change config using ssh, save stuff using scp or make a new
> CD-ROM from time to time. Either way, zero maintenance. No backups
> necessary either. Works with any PC that will boot from a CD. One of
> our beta testers says that a P2 266 will packetfilter 50MBit/sec easily.
>
> Linux doesn't just kill Microsoft's NT and Solaris. It also eats
> Cisco for lunch.
>
> Email me if you think there would be interest in such a
> "Linux Router/Firewall KIT". We are about to package a CD based
> distribution plus a couple of the right Ethernet cards (this is key!)
> and are looking for more beta testers.
>
> Dirk
>
>
> On Tue, Oct 27, 1998 at 03:20:40PM -0800, Dan Hollis wrote:
>> On Tue, 27 Oct 1998, John Fraizer wrote:
>> > [root at core0-eth0]:~ # /sbin/route
>> > Kernel IP routing table
>> > Destination Gateway Genmask Flags Metric Ref Use
>> > Iface
>> > Gateway-NET * 255.255.255.252 U 0 0 5
>> > eth0
>> > EZone-CoLo-2xx- * 255.255.255.192 U 0 0 97
>> > eth2
>> > 2xx.xx.2xx.0 * 255.255.255.0 U 0 0 6189
>> > eth1
>> > xx6.28.xx.0 * 255.255.255.0 U 0 0 17
>> > eth1:0
>> > xx9.201.1x8.0 * 255.255.255.0 U 0 0 27
>> > eth1:1
>> > loopback * 255.0.0.0 U 0 0 0 lo
>> > default core1-eth0-Ente 0.0.0.0 UG 1 0 286496
>> > eth0
>>
>> We're doing similar:
>>
>> $ netstat -rn
>> Kernel IP routing table
>> Destination Gateway Genmask Flags MSS Window irtt
>> Iface
>> 255.255.255.255 0.0.0.0 255.255.255.255 UH 1500 0 0
>> eth2
>> xxx.xxx.xxx.64 0.0.0.0 255.255.255.240 U 1500 0 0
>> eth1
>> xxx.xxx.xxx.160 0.0.0.0 255.255.255.224 U 1500 0 0
>> eth2
>> xxx.xxx.xxx.0 0.0.0.0 255.255.255.0 U 1500 0 0
>> eth0
>> 127.0.0.0 0.0.0.0 255.0.0.0 U 3584 0 0 lo
>> 0.0.0.0 xxx.xxx.xxx.254 0.0.0.0 UG 1500 0 0
>> eth0
>>
>> The 255/32 route is so that the isc-dhcp server on the box will work with
>> win95 clients. eth2 goes to a remote customer site via DSL. So they just
>> plonk win95 machines on their hub and dont have to do any configuration.
>>
>> This machine is a 486DX/33 with 16mb ram. Even under heavy load between
>> multiple ether interfaces with lots of firewall rules (eg ping -f -s 1500
>> from one side of the router to the other) it rarely breaks 15% cpu.
>>
>> Basically linux makes a _great_ multi-ethernet router.
>>
>> -Dan
>>
----------------------------------
E-Mail: jtownsend at tccomputers.com
Date: 28-Oct-98
Time: 12:08:34
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