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Topic: How much can m0no Handle?  (Read 2710 times)
« on: May 15, 2007, 16:50:55 »
RichX *
Posts: 2

Heyas,

I live in Australia, and run a ADSL Modem in bridged mode into m0n0wall via 100Mb Ethernet.

The m0n0wall is doing the routing of the connection, no dhcp, connection speed to the Internet (WAN Port) is 14Mbits down, 1MBits up.

Inside my LAN, i run a Torrent Server (Azureus), which is set to unlimited connections globally. When i get 10+ Torrents Download and 10+ Torrents uploading simeltaneously, the m0n0wall stops responding, and has to be rebooted.

The CPU usuage is always low, and is running off a 512Mb Comptact Flash Card (WRAP).

Does anyone else have a similar issue? How many concurrent TCP connections can m0n0 handle absolute maximum before it dies?

Cheers,

RS
« Reply #1 on: May 15, 2007, 22:46:46 »
cmb *****
Posts: 851

State table limit is 30,000. Even with a 14 Mb connection, that's not enough to hit 30,000 states unless your torrent client has some stupid settings. The state table will be the only hard set limit, anything else is determined by hardware.

When it happens, is the console responsive?

It's not an issue of exceeding the throughput capabilities of m0n0wall, 14 Mb of BT traffic isn't even remotely close to numerous mid to large sized m0n0wall installs out there.
« Reply #2 on: May 16, 2007, 01:37:01 »
Bonta *
Posts: 3

Hardware issue on the mono machine? Cheap network card?
« Reply #3 on: May 16, 2007, 11:45:07 »
RichX *
Posts: 2

The m0n0wal is running off a WRAP box, so it's not like it has heaps of RAM and Processing power. When it falls over, it's like i'm getting packetloss, websites time out etc etc.

Tried doing the same thing on a Cisco 877 and hadn't had a problem.  Embarrassed
« Reply #4 on: May 16, 2007, 15:07:18 »
bitonw **
Posts: 79

that 877 isn't a firewall but a router with ios firewall capabilities (if installled)...
« Reply #5 on: May 18, 2007, 00:41:05 »
cmb *****
Posts: 851

So when it goes down, it isn't completely down? i.e. some things work intermittently?

If that's the case, it's definitely a state table issue. I've only seen two things cause the state table to be overloaded at 30,000 on small to mid sized networks (less than 1000 hosts). First is a worm of some sort trying to replicate. Second is P2P clients (Bittorrent and other) with stupid settings. You don't need that many connections for excellent performance with Bittorrent. I can use 15+ Mb with 5000 states using uTorrent with default settings.
 
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