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4 AT-8800 Series Switch User Guide
Software Release 2.6.1
C613-02039-00 REV A
The Diagnostics Menu .............................................................................. 36
Changing the Password ............................................................................ 36
Context Sensitive GUI Help ....................................................................... 36
Saving Configuration Entered with the GUI .............................................. 37
Combining GUI and CLI Configuration ..................................................... 37
Configuring Multiple Devices .................................................................... 37
Upgrading the GUI ......................................................................................... 38
Troubleshooting .............................................................................................. 39
Deleting Temporary Files ........................................................................... 40
Accessing the Switch via the GUI .............................................................. 40
Traffic Flow ............................................................................................... 41
IP Addresses and DHCP ............................................................................ 42
Time and NTP ........................................................................................... 42
Loading Software ..................................................................................... 43
CHAPTER 4
Operating the switch
This Chapter ................................................................................................... 45
User Accounts and Privileges ........................................................................... 45
Normal Mode and Security Mode ................................................................... 47
Remote Management ..................................................................................... 49
Storing Files in FLASH Memory ........................................................................ 49
Using Scripts ................................................................................................... 50
Saving the Switch’s Configuration ............................................................ 51
Storing Multiple Scripts ............................................................................ 51
Loading and Uploading Files ........................................................................... 52
File Naming Conventions .......................................................................... 52
Loading Files ............................................................................................ 53
Setting LOADER Defaults .......................................................................... 54
Example: Load a Patch File Using HTTP ..................................................... 54
Uploading Files From the Switch ............................................................... 55
Example: Upload a Configuration File Using TFTP ...................................... 55
More information ..................................................................................... 55
Upgrading Switch Software ............................................................................ 56
Example: Upgrade to a New Software Release Using TFTP ......................... 57
Example: Upgrade to a new patch file ...................................................... 59
Using the Built-in Editor .................................................................................. 60
SNMP and MIBs .............................................................................................. 60
For More About Operations and Facilities ........................................................ 61
CHAPTER 5
Layer 2 Switching
Switch Ports .................................................................................................... 63
Enabling and Disabling Switch Ports ......................................................... 63
Autonegotiation of Port Speed and Duplex Mode ..................................... 66
Port Trunking ........................................................................................... 67
Packet Storm Protection ........................................................................... 69
Port Mirroring .......................................................................................... 70
Port security ............................................................................................. 71
Virtual Local Area Networks (VLANs) ............................................................... 72
VLAN Tagging .......................................................................................... 73
VLAN Membership of Untagged Packets .................................................. 76
Creating VLANs ........................................................................................ 77
Summary of VLAN tagging rules ............................................................... 79
Protected VLANs ...................................................................................... 79
VLAN Interaction with STPs and Trunk Groups .......................................... 79
Generic VLAN Registration Protocol (GVRP) ..................................................... 80
Layer 2 Switching Process ............................................................................... 80
The Ingress Rules ...................................................................................... 80
The Learning Process ................................................................................ 81