One thing to look out for on LANs (if you are seeing problems) is that you
don't have a loop feeding both ends of a router to a common switch.

I've seen odd things happening that cleared up immediately when this was
discovered.

IE: both the in and the out of a router are connected to a switch that the
client it connected to.  (Some high-end switches support private LAN
segments which is ok).

If you are by any chance using a HUB and not a SWITCH then dump the HUB
asap, hubs have serious problems dealing with different LAN rates and also
contribute a lot of unnecessary traffic on all nodes.

I have seen bad NICs scramble data too, switch to a different NIC if you can
to test, also try forcing all connections on your LAN to be the same rates
(all 100mbit or all 1GB).

One last thing to look out for is O/S power savings for the NIC ... this
should be disabled in the hardware options if it's supported.


----- Original Message -----
From: "William Warren"
To: <[email protected]>
Sent: Monday, January 30, 2006 5:25 AM
Subject: Re: [hlds_linux] client dropped by server


kevin is referring to NAT routers used by small business or home users
not the kind of routers you are ferrreing to..:)

however this issue is not a nat issue as i get booted by my server and
it is on my lan.


kama wrote:
Ok, let me clarify.

What can cause it in a router the servers are attached too? Especially in
the case of use of Cisco routers in the 7600-series.

/Bjorn

On Sun, 29 Jan 2006, Kevin Ottalini wrote:

Each router and router firmware version has a unique way of mangling UDP
packets, apparently UDP is not as rigorously tested as TCP.

The exact cause is unknown but the proof is always the same, if you
bypass
the router the problem goes away.

In fact, there are dozens of different error messages that can be
generated,
not just CL_ParseServerMessage, but the cause is always the router, here
are
a few of the most typical messages:

Bad Parse in Client Command
Bad Command Character in Client Mod
Bad Command Character in Client Command
CMD_MAXBACKUP HIT
Host_Error: CL_ParseServerMessage: Illegible server message - svc_bad
Host_Error: CL_Parse_Version: Server is protocol -######### instead of
47
Host_Error: DispatchUserMsg: User Msg CZCareer/130 sent too much data
(195
bytes), 192 bytes max
svc_bad Wrote erroneous message to buffer.dat Host_Error: UserMsg: Not
Present on Client ###
Memory Could Not Be Read Error (one cause of this)
Host error: Cl_Entitynum: #### is an invalid number, Cl_max edicts is
####
Host error: Bad server message

and the most typical symptom is:
Whenever I connect to a (Counter-Strike) server, I get booted after 30
seconds

I have a FAQ about this in the Steam Support database:
http://support.steampowered.com/cgi-bin/steampowered.cfg/php/enduser/std_adp.php?p_faqid=19


----- Original Message -----
From: "kama"
To: <[email protected]>
Sent: Sunday, January 29, 2006 3:34 PM
Subject: Re: [hlds_linux] client dropped by server


Ok, if so... What are the reasons that causes these to happens then?

/Bjorn

On Sun, 29 Jan 2006, Kevin Ottalini wrote:

CL_ParseServerMessage is very often caused by routers.

----- Original Message -----
From: "kama"
To: <[email protected]>
Sent: Sunday, January 29, 2006 3:14 PM
Subject: Re: [hlds_linux] client dropped by server


Hmm.. Those two disconnects where probably not the same problem. I
have
reports from serveral admins and regular that they currently are
being
dropped. I got kicked myself once and this was found in my client
console.

Error: server failed to transmit file 'AY&SY-B^K'
Last 32 messages parsed.
4039 0098 ResetHUD
4039 0099 Money
4039 0105 StatusIcon
4039 0111 ScoreAttrib
4039 0114 RoundTime
4039 0117 TeamScore
4039 0124 TeamScore
4039 0138 HideWeapon
4039 0140 SetFOV
4039 0142 Health
4039 0144 Battery
4039 0147 Damage
4039 0160 FlashBat
4039 0162 Train
4039 0164 CurWeapon
4039 0168 WeapPickup
4039 0170 WeapPickup
4039 0172 AmmoPickup
4039 0175 ScoreAttrib
4039 0178 ScreenFade
4039 0189 RoundTime
4039 0192 ScoreAttrib
4039 0195 ScoreAttrib
4039 0198 svc_event_reliable
4039 0201 AmmoPickup
4039 0204 WeapPickup
4039 0206 StatusIcon
4039 0215 ScoreAttrib
4039 0218 CurWeapon
4039 0222 CurWeapon
4039 0226 svc_filetxferfailed
BAD:  237:svc_bad
Host_Error: CL_ParseServerMessage:

/Bjorn



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