From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rudi Starcevic Subject: Port-forwarding + collisions Date: Thu, 24 Feb 2005 19:48:58 -0800 Message-ID: <421EA02A.3030606@wildcash.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: netfilter-bounces@lists.netfilter.org Errors-To: netfilter-bounces@lists.netfilter.org Content-Type: text/plain; charset="us-ascii"; format="flowed" To: netfilter@lists.netfilter.org Hi, I'm still working on why I have poor performance and have found some data I need to check as I'm not that familiar. Below I have the output from ifconfig. eth0 is my Internet NIC with eth1 my internal 192.168.0.x network. On my eth0 NIC we can see there is 0 collisions On eth1 we can see collisions:6810362 This must mean a problem on the 192 end. These are colo servers which are configured by techs over there so I don't have physical access to these machines ... What could cause such a problem I wonder ? It seems highly likely that this may be the cause of my bandwidth problems. It is quite surprising that there is problems as there is only two machines. -------------------------------------- Windnows 192.x.x.x = Gigabit card | Gigabit Switch | Linux 192.x.x.x = 10/100 MB card Linux 64.x.x.x = 10/100 MB card -------------------------------------- Is there anything special I need to do on the Linux end ? I am told it is all supposed to auto detect .. eth0 Link encap:Ethernet HWaddr xx:xx:xx inet addr:66.xxx.xx.79 Bcast:64.255.255.255 Mask:255.255.255.192 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:93820046 errors:0 dropped:0 overruns:0 frame:0 TX packets:112683401 errors:0 dropped:0 overruns:1 carrier:0 collisions:0 txqueuelen:1000 RX bytes:375314364 (357.9 MiB) TX bytes:2449306437 (2.2 GiB) Interrupt:10 Base address:0x1000 Memory:40000000-40000038 eth0:0 Link encap:Ethernet HWaddr xx:xx:xx inet addr:66.xxx.xx.100 Bcast:64.255.255.255 Mask:255.255.255.192 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:10 Base address:0x1000 Memory:40000000-40000038 eth1 Link encap:Ethernet HWaddr xx:xx:xx inet addr:192.168.0.1 Bcast:192.168.0.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:110547112 errors:0 dropped:0 overruns:0 frame:0 TX packets:85362007 errors:85 dropped:0 overruns:0 carrier:85 collisions:6810362 txqueuelen:1000 Thanks -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 266.4.0 - Release Date: 22/02/2005