Cabletron Systems CyberSWITCH CSX150 User Manual

Also see for CyberSWITCH CSX150: User guide Quick start guide

Contents

USER’S GUIDE378 CyberSWITCH3. Verify that the remote bridge device is initiating a call to the CyberSWITCH. Since theCyberSWITCH LAN interface has an IP address assigned with a different network numberthan the one for the remote IP Host, the remote IP Host may need a proper route entry for thelocal network where the CyberSWITCH is located. Make corrections to the remote IP Hostconfiguration.Problem:The remote IP Host connected to a WAN RLAN interface on the CyberSWITCH does not receive aping response from the local IP Host.Action:1. Verify that the remote IP Host can access the LAN interface of the CyberSWITCH. If it accessesthe LAN interface, then continue with the next step.If the remote Host is unable to access the LAN interface, refer to the preceding problem andaction.2. Verify that the local IP Host has the route entry for the remote network with the CyberSWITCHas the next hop. If it does, refer to Verify IP Routing Over a LAN Connection in the SystemVerification chapter.If the local IP Host does not have the proper route entry, make corrections to the local IP Hostconfiguration.IP ROUTING OVER A WAN U NN UMBERED I NTERFACE C ONNECTIONProblem:The remote router connected to a WAN UnNumbered interface on the CyberSWITCH does notreceive a ping response from the CyberSWITCH LAN interface.Action:1. Have the remote router ping itself using its LAN IP address.2. Have the CyberSWITCH ping itself using its LAN IP address.3. Have the router ping the CyberSWITCH. If the ping is unsuccessful:• and no call is up, check the static route on the router• and a call is up, check the static route on the CyberSWITCH.IP F ILTERSProblem:IP Filters are not correctly discarding packets.Action:Check to see if the filters are properly configured:1. From Manage Mode, issue the ipfilt command. Check the configured packet types, as well asthe configured filters: