Inter-Switch Links; Figure 6 New Switch Added To Existing Fabric - HP StoreFabric SN6500B Administrator's Manual

4

Inter-switch links

Inter-switch links

An inter-switch link (ISL) is a link between two switches, E_Port-to-E_Port. The ports of the two
switches automatically come online as E_Ports once the login process finishes successfully. For
more information on the login process, refer to
FIGURE 6
You can expand your fabric by connecting new switches to existing switches.
switch being added into an existing fabric. The thick red line is the newly formed ISL.
When connecting two switches together, Brocade recommends the best practice that the following
parameters are differentiated:
•
•
•
You must also verify the following fabric parameters are identical on each switch for a fabric to
merge:
•
•
•
•
•
•
•
There are non-fabric parameters that must match as well, such as zoning. Some fabric services,
such as management server, must match. If the fabric service is enabled in the fabric, then the
switch you are introducing into the fabric must also have it enabled. If you experience a segmented
fabric, refer to the Fabric OS Troubleshooting and Diagnostics Guide to fix the problem.
114
New switch added to existing fabric
Domain ID
Switch name
Chassis name
R_A_TOV (Resource Allocation TimeOut Value)
E_D_TOV (Error Detect TimeOut Value)
Data Field Size
Sequence Level Switching
Disable Device Probing
Suppress Class F Traffic
Per-frame Route Priority
Chapter 1, "Understanding Fibre Channel
Fabric OS Administrator's Guide
Services".
Figure 6 shows a new
53-1002745-02