Starting a topology discovery – H3C Technologies H3C S10500 Series Switches User Manual
Page 123
112
Attribute Description
Port speed capability
The supported speed can be one or any combination of the following
options:
•
1 Gbps.
•
2 Gbps.
•
4 Gbps.
•
8 Gbps.
•
10 Gbps.
•
16 Gbps.
•
20 Gbps.
Port speed operation
The current speed can only be one of the following options:
•
1 Gbps.
•
2 Gbps.
•
4 Gbps.
•
8 Gbps.
•
10 Gbps.
•
16 Gbps.
•
20 Gbps.
Port zoning enforcement
status
Zoning type supported by the port: soft zoning or hard zoning.
Starting a topology discovery
You can start a topology discovery on any switch in a fabric. The process of topology discovery is as
follows:
1.
Each switch in a fabric maintains a list all IE objects in the fabric. When no topology discovery is
started, the switch displays the topology discovery status as localOnly in the relevant VSAN. The
switch stores all attributes of its own IE object and port information. The switch stores only attributes
of IE WWN, type, and domain ID for the other IE objects.
2.
When a topology discovery is started, the switch changes the topology discovery status in the
relevant VSAN to inProgress. The switch obtains the latest IE attributes and port attributes of all
other switches in the fabric. Then, the switch updates the IE and port information in the local FCS
database.
3.
When topology discovery is complete, the switch changes the topology discovery status in the
relevant VSAN to completed. The switch starts an aging timer to specify the amount of time for the
topology discovery information to stay effective before it is deleted.
4.
When the aging timer expires, the switch performs the following operations:
{
Deletes all topology discovery information except its own information.
{
Changes the topology discovery status in the relevant VSAN to localOnly.
The fabric topology might change. During a topology discovery, the switch will not obtain IE attributes
and port information of an IE in any of the following situations:
•
A new IE joins the fabric when the switch has started obtaining the IE attributes and port attributes
of other switches.