Cabletron Systems CSX1200 User Manual

Also see for CyberSWITCH CSX1000: User guide Quick start

Contents

Workgroup Remote Access Switch 397PROBLEM DIAGNOSISIP RIPa. For packet types, it is important to verify that the contents of the packet in question areindeed correctly specified (IP Addresses, Protocol, TCP Ports, etc.).b. For configured filters, keep in mind that component conditions are executed in the order inwhich they appear in the configuration. It is possible that a packet is not being discardedas expected if a previous condition matches that packet with an action of forward.2. Check to see if the filters are properly applied:a. For global filters, use Manage Mode’s ipfilt command. Check the Apply Global ForwardingFilter option.b. For filters applied on a per-device basis, use Manage Mode’s device command. Check to seeif filters properly applied.c. For network interface filters, check the IP interface information in CFGEDIT (Options, IPConfiguration, IP Interface).3. Make configuration changes as necessary.If you are still experiencing problems:1. Check the status of the Exception Filter (using Manage Mode, ipfilt command). The ExceptionFilter overrides all other filters. If the Exception Filter is enabled, this could be the problem.2. With per-device and network interface filters, it is necessary that the packet in question trulyflows through the desired application point. Try this test:a. Disable the per-device and network interface filters.b. Apply each filter in question globally.c. When desired IP packets are received, it is guaranteed that they will pass through the filterin question. You can then analyze the effects in isolation. Your findings will be helpful ifyou need to call Customer Support.If the IP filters are properly configured, and the system is still not correctly discarding packets,contact Customer Support.IP RIPThis section provides guidance for diagnosing IP RIP operational problems.IP RIP I NITIALIZATIONProblem:The CyberSWITCH does not display the correct IP RIP Initialization messages. Instead, it displaysone or more of the following message:[IP RIP] Initialization failed, unable to allocate buffers[IP RIP] Unable to open RIP/UDP port 512Action:There is an unexpected condition present within the CyberSWITCH software. Contact CustomerSupport.