On Wed, 2004-07-21 at 10:37, Scot L. Harris wrote: > On Wed, 2004-07-21 at 10:11, Alberto M R Davila wrote: > > Hi Scott, > > > > I am using the normal network cable (the blue one) to connect my card to > > the local network... I just unplugged the cable/connector from a computer > > connedt to internet (working properly of course) use it for my laptop and > > cloned the accordingly the IP address and DNS, then nothing.. I am > > attaching the log... > > > > What a difficult task. > > > > Thanks, Alberto > > hmmm, still don't know what type of switch you are connecting to. If > you used the same IP address as another device that was on the network > there could a couple of issues even if the other device is off the > network. > > The switches used at your location could be locked down. Some switches > allow you to specify what MAC address that port on the switch is allowed > to talk to. If that is the case you will need to get the network > administrator to setup a port for you on the switch. > > The other problem could be that the default gateway probably has the > other machines MAC address in cache. Until that times out or can be > flushed your machine will not be able to talk to the gateway. What > happens is your system arps for the router and gets a reply. You then > try to send a packet to the MAC address supplied in the arp. The router > gets your packet and checks its arp cache for the MAC address assigned > to that IP and sends the reply out to the wrong MAC address. > > Again if that is the case you can get the network administrator to flush > the arp cache or sometimes just try to ping your IP from the router. > After that it should work. > > The other thing you can do is get a different IP address, one that has > not been used yet on the network. > > Also, you may still want to get a cross over cable and try that test I > suggested. That will tell you for sure if the interface is configured > correctly. > > Also, the other thing I mentioned last time was to verify that you do > have link to the switch (should have an led on the switch to indicate > that) and that you are set to the correct speed and duplex settings. > Those should be autonegotiated but I have seen that fail on Cisco > switches and Sun servers. You can use mii-tool to specify those > settings if needed. > > I am copying this back to the list as this may provide some others with > info that may point to a solution for you. > > -- > Scot L. Harris > webid@xxxxxxxxxx > > It seems a little silly now, but this country was founded as a protest > against taxation. If you can't ping from the router: This will flush the old ARP cache entry on some Cisco Routers. I have not tried it on anything else: ping -q -c 1 -b -I $COMMONIP $NETWORK Where $COMMONIP is the IP address of the interface to ping from and $NETWORK is the network address of your subnet. Bob...
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