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3-16 StorageWorks Fibre Channel Storage Switch User's Guide

Compaq Confidential – Need to Know Required

Writer: Bill Reitz Project: StorageWorks Fibre Channel Storage Switch User's Guide Comments:

Part Number: AA-RHBYA-TE 135267-001 File Name: d-ch3 Managing the Switch Last Saved On: 4/7/99 11:59 AM

VC Link Ctl

Pressing<Enter>, while VC Link Ctl is selected, displays:

VC Link Ctl

The Virtual Channel Link Control changes the link control channel. There are

two options: 0 and 1.

Option 0 forces data receipt acknowledgments on Class 2 channels to be sent

back on the data channel. This traffic consumes a portion of the available data

channel bandwidth.

Option 1 allows data receipt acknowledgment packets to use the VC-1

(internal Switch traffic channel) which frees additional bandwidth in the data

channel, and transfers the data receipt traffic load to the Switch’s internal

traffic channel.

VC Class 2

Pressing <Enter>, while VC Class 2 is selected, displays:

VC Class 2

This example shows the default channel as 2, but you can also select virtual

channel 3, 4, or 5.

VC Class 3

Pressing <Enter>, while VC Class 3 is selected, displays:

VC Class 3

This example shows the default channel as 3, but you can select virtual

channel 2, 4, or 5.

VC Multicast

Pressing <Enter>, while VC Multicast is selected, displays:

VC Multicast

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