One more thing about this. I tried unplugging all the ethernet cables connected to the 10Mbps ethernet cards, seeing if I could connect the two hubs at all. It didn't work, either. Thanks for any extra info about this. > From: http://dummy.us.eu.org/robert (Robert) > Date: Sun, 10 Mar 2002 11:56:04 -0500 > > Hi. I have a BEFSR41 and a BEFW11S4. I already had the BEFW11S4 > and it works great. I bought a BEFSR41 hoping to connect them together. > > Before doing anything, I changed the IP address for the BEFSR41 to > 192.168.1.5 . (The IP address of the BEFW11S4 is 192.168.1.1 .) I also > disabled DHCP. > > When I try to connect the uplink from one router to another, it doesn't > work. I tried: > > 1) BEFSR41 uplink -> BEFW11S4 port 2 > 2) BEFW11S4 uplink -> BEFSR41 port 2 > > Nothing is plugged into port 1 nor port 4 on either router. I am using > a standard CAT5 ethernet cable. > > When I try either #1 or #2, the network gets flooded with ethernet frame > packets. (I tried tcpdump when I connect them together, but there are no > TCP/IP packets. So, I assume that they are frames, not packets.) When > trying #1 or #2, I am unable to connect or send any data over the LAN at > all. > > I also tried clicking on the "router" button (instead of "gateway") on the > Dynamic Routing tab on BEFSR41. It made no difference whatsoever. > > I tried unplugging both of their power supplies and plugging them back in. > It made no difference. > > I speculate that the switch is trying to "learn" the MAC address for the > port since the 100Mbps light lights up temporarily before flooding with > the frame packets. (All of my ethernet cards are 10Mbps, not 100Mbps.) > > The firmware level on my BEFW11S4 is 1.37.9b, Jun 21 2001. > > The firmware level on my BEFSR41 is 1.42.3, Jan 28 2002. > > Thanks.