Cabletron Systems STS16-20R - Manual (Page 138)

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SmartStack STS16-20D/STS16-20R Token Ring Switches Installation and User Guide Switch Configuration
(in its 4-digit hexadecimal format) for each of the classes 1 through 8. You cannot
specify an Ethertype for protocol classes 9 through 15.
DSAPs
List of the DSAPs that you want to filter. You can specify up to 16 DSAPs (in their
hexadecimal format) separated by spaces.
Port Filtering Attributes Screen
To open this screen, do the following:
1. From the main menu, select Configuration
→ → → →
Filters & Port Security . Then
select Protocol Filters...
2. On the Protocols Filters screen, select Port Filtering Attributes...
Before the Port Filtering Attributes screen appears, you will be prompted for
a port to modify.
Class
For the selected port, use the Class column to select a class to modify.
Block
The Block column may have the following values:
•
All - Block all frames in this protocol class.
•
SR - Block all source-routed frames in this protocol class.
•
NSR - Block all non-source-routed frames in this protocol class.