96Chapter 11 Frequently Asked Questions
What is an Ethernet loop, and how do I avoid creating one?
The BCM450 does not support the Bridging Protocol Data Unit (BPDU), and therefore, you must be careful not to create Ethernet lops in the network while connected ot these two ports.
Figure 17 shows and Ethernet loop and how to avoid it.
Figure 17 Ethernet loops
Ethernet Loop | No Ethernet Loop |
BCM450
BCM450
Hub / | Hub / |
Hub / |
Hub / |
IP addresses
This section answers the following questions:
•Can I modify the IP address of the OAM port? on page 96
•What are the default IP addresses of the BCM450 ports? on page 96
Can I modify the IP address of the OAM port?
You cannot change the IP address of the OAM port. You can use Element Manager to view the OAM port parameters.
What are the default IP addresses of the BCM450 ports?
The default addresses of the OAM LAN port are:
•IP address: 10.10.11.1
