Investigating Software Configuration ProblemsCyberSWITCH CSX400 and CSX400-DC Installation Guide5-11User Cannot Communicate with Remote Network StationIf Bridging,• Check that the Bridging Default Destination is set.• Check that bridging to/from the remote router is set on.• Be sure to reboot if you have made any bridging destination or control changes.If TCP/IP Routing,• Check that TCP/IP Routing is set on and is enabled at the remote end.• Check that the IP address of the LAN beyond the remote router is correct, as well as theassociated Subnet Mask.• If the remote router WAN IP address and Subnet Mask are required, check that they have beenspecified correctly.• Check that, if required, the source and remote WAN IP addresses are on the subnetwork.• Check that you have seeded the routing table, if RIP is not allowed to flow on the WAN link.• Be sure to reboot if you have made any IP address, control or protocol option changes.Troubleshooting the CSX Frame Relay ConnectionThere are three troubleshooting tools on the CSX platform. The first has always been available andis LM. The second is the FR Error MIB Table, and reflects LMI or DLCI data errors. The third isnew and is available as the Mib Nav command: “fr”.Communication with the FR switch is done through one of two methods:Asynchronous Status Messages — At any time the Fr Switch can send an unsolicited (nopolling from us) message to us. Each message contains information on one DLCI and one only. Ithas the DLCI number and the DLCI state. We don’t respond to this message, but we do adjust whatwe know about DLCIs based on this information.
