On Wed, Mar 12, 2008 at 4:54 PM, Edel SM <[EMAIL PROTECTED]> wrote: > > i have this setup currently: > > +-----------------+ > (frame-relay) | |vlanB > +---telcoA-----------+ pc300 > +------------ lan A > | | > |vlanC > internet -------+ | > +------------ lan B > | | > |vlanN > +---telcoB-----------+vlanA > +------------- dmz X > (10mbps fiber) | | > +----------------+ > router >
your diagram mess up but doesnt matter... > that work fine. but somtimes the pc router pauses/hang for a while if > there's so much traffic (FS file transfer, web uploading, etc). > sometimes hte NIC stops responding (hang?) and we need to reboot the > router. it may be also be a problem in the driver, switch, etc. there are lots of reasons for this and i cant pin point exactly the caused of your problem... your host acts as router and your troubleshooting narrows down from layer 1 to layer 3 out of 7 layers of OSI layering model.. layer 1 or physical layer.. probably a faulty cabling that caused pauses or hanging for a while... try to replace with a new cable if that solves the problem... layer 2 or datalink layer... probably a faulty nic or nic's device driver or vlan (802.1q) implementation of your OS... for nic and nic's device driver.. try to replace a different nic even a cheap one so that it uses a different device driver if that solves the problem... for vlan... you are using an old pc acting as a router and i assuming you are using an old version of your OS... try to upgrade the OS kernel if that solves the problem... layer 3 or network layer... probably a faulty tcp/ip stack... same with vlan...try to upgrade the OS kernel if that solves the problem... other factors aside from the OSI layers... a faulty hardware like internal power supply... ram... cpu fan... motherboard.. etc... you can start from layer 1 and upward ... but im suspecting more on layer 2 that caused of your problem... if you can show to us the output of "ethtool -S ethX" where X is the number for each of your network card installed... we can take a look from errors such as overruns, crc and others.. fooler. _________________________________________________ Philippine Linux Users' Group (PLUG) Mailing List plug@lists.linux.org.ph (#PLUG @ irc.free.net.ph) Read the Guidelines: http://linux.org.ph/lists Searchable Archives: http://archives.free.net.ph
