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Configuration Guide - Security

S7700 and S9700 V200R011C10

This document describes the configurations of Security, including ACL, reflective ACL, local attack defense, MFF, attack defense, traffic suppression and storm control, ARP security, port security, DHCP snooping, ND snooping, PPPoE+, IPSG, SAVI, URPF, keychain, separating the management plane from the service plane, security risks.
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Licensing Requirements and Limitations for Traffic Suppression and Storm Control

Licensing Requirements and Limitations for Traffic Suppression and Storm Control

Involved Network Elements

Other network elements are not required.

Licensing Requirements

Traffic suppression and storm control are basic features of a switch and is not under license control.

Version Requirements

Table 6-1  Products and versions supporting traffic suppression and storm control

Product

Product Model

Software Version

S7700

S7703, S7706 and S7712

V100R003C01, V100R006C00, V200R001(C00&C01), V200R002C00, V200R003C00, V200R005C00, V200R006C00, V200R007C00, V200R008C00, V200R009C00, V200R010C00, V200R011C10

S9700

S9703, S9706 and S9712

V200R001(C00&C01), V200R002C00, V200R003C00, V200R005C00, V200R006C00, V200R007(C00&C10), V200R008C00, V200R009C00, V200R010C00, V200R011C10

NOTE:
To know details about software mappings, see Hardware Query Tool.

Feature Limitations

Features supported in different views

Table 6-2 lists the traffic suppression and storm control features supported in the interface and VLAN views.

Table 6-2  Features supported in different views
View Traffic Suppression and Storm Control Features Supported by the Switch
Interface view
  • Traffic suppression for broadcast, unknown multicast, and unknown unicast packets
  • Storm control for broadcast, unknown multicast, and unknown unicast packets
  • Traffic suppression for ICMP packets
VLAN view Traffic suppression for broadcast, unknown multicast, and unknown unicast packets

Difference between Traffic Suppression and Storm Control

Traffic suppression and storm control prevent broadcast storms caused by broadcast, unknown multicast, and unknown unicast packets. However, they use different methods to control traffic:

  • In traffic suppression, rate thresholds are configured for three types of incoming packets on interfaces. The system discards the traffic exceeding the threshold and forwards the traffic within the threshold. In this way, the system limits the traffic rate in an acceptable range. In addition, traffic suppression can block outgoing packets on interfaces.
  • In storm control, rate thresholds are configured for three types of incoming packets only on interfaces. When the traffic exceeds the threshold, the system rejects the packets of this particular type on the interface or shuts down the interface.

For incoming packets of the same type on an interface, you can configure either traffic suppression or storm control.

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Updated: 2019-04-01

Document ID: EDOC1000178319

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