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RE: Linux Router KIT

  • From: jtownsend
  • Date: Wed Oct 28 13:48:21 1998

Another group doing this is the Linux Router Project:
http://www.linuxrouter.org

On 28-Oct-98 dirk@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@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@tccomputers.com
Date: 28-Oct-98
Time: 12:08:34

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