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Configuration Guide - Security

S1720, S2700, S5700, and S6720 V200R011C10

This document describes the configurations of Security, including 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, MPAC, separating the management plane from the service plane, security risks, PKI.
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Application Scenarios for Traffic Suppression

Application Scenarios for Traffic Suppression

Figure 6-1  Networking diagram of traffic suppression

As shown in Figure 6-1,
  • Traffic suppression can be configured in a VLAN on a Layer 2 network device to limit the rates of broadcast packets in the VLAN.
  • Switch A is connected to a Layer 2 network and a router. To limit the rates of broadcast, unknown multicast, and unknown unicast packets forwarded by the Layer 2 network, configure traffic suppression on the Layer 2 Ethernet interface GE0/0/1 of Switch A.
  • You can also configure Switch A to block the outgoing broadcast, unknown multicast, and unknown unicast packets on GE0/0/1 to ensure Layer 2 network security.
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Updated: 2019-03-28

Document ID: EDOC1000178177

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