- Cabletron Fast Network 10 USER GUIDE

Contents
FastNET 10 User Guide vii
4.5 Using LCM to Manage the FN10............................................... 4-15
4.5.1 Disabling a Port ............................................................ 4-15
4.5.2 Enabling a Port ............................................................. 4-16
4.5.2.1 noRIP Option................................................ 4-16
4.5.3 Changing a Subnet Mask ............................................. 4-17
4.5.4 Changing a Community Name...................................... 4-18
4.5.5 Setting the Baud Rate................................................... 4-18
4.5.6 Setting a Reboot Time .................................................. 4-19
CHAPTER 5 FN10 FILTERS
5.1 Bridge Address Table Filters ....................................................... 5-1
5.1.1 Source Address Filter ..................................................... 5-3
5.1.2 Source Address Multicast Filter ...................................... 5-3
5.1.3 Destination Address Filter............................................... 5-4
5.2 Port Filters ................................................................................... 5-4
5.2.1 Configurable Fields......................................................... 5-5
5.2.1.1 Pseudo Filtering .............................................5-6
5.2.1.2 Filter Links......................................................5-6
5.3 Using Filters for Security Purposes ........................................... 5-10
5.4 Using Filters to Enhance Network Performance........................ 5-16
5.5 Configuring a Port Filter............................................................. 5-19
5.5.1 Modifying a Port Filter................................................... 5-22
5.5.2 Deleting a Port Filter ..................................................... 5-23
5.6 Filtering and Performance Considerations ................................ 5-23
CHAPTER 6 FN10 DIAGNOSTICS AND TROUBLESHOOTING
6.1 Power-up Diagnostics.................................................................. 6-1
6.1.1 Power-up LED Sequence ............................................... 6-2
6.1.2 Specific Power-up Tests ................................................. 6-2
6.1.3 Software Checksum Comparison ................................... 6-3
6.1.4 Power-up Diagnostics Results........................................ 6-3
6.2 Responses to Failures at Power-up ............................................ 6-3
6.3 Diagnostic Loopback Tests ......................................................... 6-3
6.3.1 Loopback Tests .............................................................. 6-4
6.4 Status and Activity Indicators ...................................................... 6-4
6.5 Troubleshooting........................................................................... 6-7
6.5.1 FN10 Does Not Power Up .............................................. 6-7
6.5.2 Connectivity Problems .................................................... 6-7
6.5.3 FN10 Has Rebooted ....................................................... 6-8
6.5.4 FN10 Does Not Respond to NMS................................... 6-8