I haven't gotten that far. I can't network with the 3500XL switch--at all. Other switches (like a cheap LinkSys 10/100) work fine, but I can't talk to the Cisco. It does pick up my MAC address, but pinging through the switch fails. I've tried both an eepro100 NIC and a PCInet onboard adapter. It appears as if there's an ARP problem. and ideas??
I've tried every combination of speed/duplex mode possible. The LinkSys was set to autonegotiate as is the Cisco switch port, currently. I've also tried them both at 100-FD. Nothing. Some other weird behavior includes:
I can monitor tcp traffic on my box with the tcpdump utility
I can sometimes recognize remote MAC addresses in the ARP cache
Check to see that the switch is connected to the correct subnet on the uplink...If the 3500 and its' ports are all on VLAN 1, make sure the uplink port is configured for the correct VLAN. If you have configured VLAN interfaces with IP addresses other than VLAN 1, make sure the management VLAN is trunked to the backbone.
well, the switch and LAN have been up and running for a couple years. Everything is on VLAN 7. I've also tried setting spanning tree to portfast as some folks had success there with similar problems. It's acting like nothing is ARPing back to the Linux server.
[toc:faq]The ProblemOn traditional switches whenever we have a trunk
interface we use the VLAN tag to demultiplex the VLANs. The switch needs
to determine which MAC Address table to look in for a forwarding
decision. To do this we require the switch to do...
[toc:faq]Introduction:Netdr is a tool available on a RSP720, Sup720 or
Sup32 that allows one to capture packets on the RP or SP inband. The
netdr command can be used to capture both Tx and Rx packets in the
software switching path. This is not a substitut...
IntroductionOSPF, being a link-state protocol, allows for every router
in the network to know of every link and OSPF speaker in the entire
network. From this picture each router independently runs the Shortest
Path First (SPF) algorithm to determine the b...