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The SEL-2740S must be configured to forward only frames from allowed network-connected endpoint devices.

An XCCDF Rule

Description

By only allowing frames to be forwarded from known end-points mitigates risks associated with broadcast, unknown unicast, and multicast traffic storms.

ID
SV-102371r1_rule
Version
SELS-SW-000310
Severity
Medium
References
Updated

Remediation Templates

A Manual Procedure

Ensure only authentic allowed traffic by creating flow rules to restrict protocol, source, and destination of information.

For adding an SEL-2740S Flow Rule to forward traffic, do the following:
1. Log on to OTSDN Controller using Permission Level 3.
2. Click "Flow Entries" in Navigation Menu.
3. Click "Add Flow" button.