Text Conventions - Nortel 8300 Troubleshooting Manual

Physical MAC addresses
Physical MAC addresses are addresses assigned to the physical interfaces
or ports visible on the device. The physical MAC addresses are used in
the following types of frames:
•
•
BPDUs are sent using the physical MAC address as the source because
identifying which physical port sent the BPDU is critical to how the Spanning
Tree Protocol works.
The ports on the switch fabric/CPU module have the following last 12 bits:
•
•
•
•
Virtual MAC addresses
Virtual MAC addresses are the addresses assigned to VLANs. A virtual
MAC address is assigned to a VLAN when it is created. The MAC address
for a VLAN IP address is the virtual MAC address assigned to the VLAN.

Text conventions

This guide uses the following text conventions:
angle brackets (< >)
bold body text
Copyright © 2007, Nortel Networks
.
Spanning Tree Protocol BPDUs sent by the switch
Frames to or from an isolated routing port's physical interface
Management port in slot 5: 0x3f4
CPU port (an internal port) in slot 5: 0x3f5
Management port in slot 6: 0x3f6
CPU port (an internal port) in slot 6: 0x3f7
Nortel Ethernet Routing Switch 8300
Troubleshooting
NN46200-704 01.01 Standard
4.0 29 October 2007
Indicate that you choose the text to enter based on
the description inside the brackets. Do not type the
brackets when entering the command.
Example: If the command syntax is
ping <ip_address>, you enter ping
192.32.10.12
Indicates objects such as window names, dialog
box names, and icons, as well as user interface
objects such as buttons, tabs, and menu items.
Text conventions 179