Post Mortem CS:S LAN Problem Analysis

[Pollux77]

Hi there!

On the last weekend I've hosted a LAN with about 80 guests, so far so good.
The problem began when time came for the CS:S Tournament.
When I was home testing all of the 5 servers were running good.
At the LAN the Servers had a unusable ping and general delay.
It took 5 minutes to connect to the server and when you got there it was like running 15 meters and then the server set you back 8 meters.

I watched the ping in HLSW and it looked like that:

This screenshot was made at home today where I could plug in the cable to my router. As soon as the server connected to steam, all was good.

I also did a packet dump:
The server tried to connect to 207.173.177.12 which is steam2.steampowered.com
The rest of the traffic were ARP-Packets trying to resolve a route to that host...

I'M GOING NUTS!! Why is this damn crate trying to contact Steam??
I started the server with the following command:

Code:

screen -m -d -S source ./srcds_run -console -game cstrike -insecure -nomaster +sv_lan 1 +map de_dust -maxplayers 16

Any Ideas please?

[Pollux77]

The solution I just found is: DO NOT USE DHCP or rather DO NOT SET A GATEWAY
I changed /etc/network/interfaces from

Code:

# The primary network interface
auto eth0
iface eth0 inet dhcp

to

Code:

# The primary network interface
auto eth0
iface eth0 inet static
address 192.168.0.32
netmask 255.255.255.0
network 192.168.0.0
broadcast 192.168.0.255
#gateway 192.168.0.101 <--eeevil gateway!!

No gateway is set and it works, though my ping is averaged around 25ms which is quite high for lan...
I've had that before, don't ask me why I dind't think of it earlier.

This issue should be added to some kind of FAQ or something.

[Drocona]

Thanks for posting your solution Pollux77