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Configuration Guide - Security

S9300, S9300E, and S9300X 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 URPF

Licensing Requirements and Limitations for URPF

Involved Network Elements

Other network elements are not required.

Licensing Requirements

Unicast Reverse Path Forwarding (URPF) is a basic feature of a switch and is not under license control.

Version Requirements

Table 14-1  Products and versions supporting URPF

Product

Product Model

Software Version

S9300

S9303, S9306, S9312

V100R002, V100R003, V100R006(C00&C01), V200R001C00, V200R002C00, V200R003C00, V200R005C00SPC300, V200R006C00, V200R007C00, V200R008(C00&C10), V200R009C00, V200R010C00, V200R011C10

S9300

S9310

V200R010C00, V200R011C10

S9300X

S9310X

V200R010C00, V200R011C10

S9300E

S9303E, S9306E, S9312E

V200R001C00, V200R002C00, V200R003C00, V200R005C00SPC300, V200R006C00, V200R007C00, V200R008(C00&C10), V200R009C00, V200R010C00, V200R011C10

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

Feature Limitations

  • URPF checks IPv4 and IPv6 packets but does not check the following packets:
    • BOOTP, DHCP, and DHCPv6 packets
    • Packets with the source port number 67 and destination port number 68
    • Packets with the source port number 68 and destination port number 67
  • For cards except for LE1D2S04SEC0, LE1D2X32SEC0, LE1D2H02QEC0, and X series cards, the number of FIB entries are reduced by half if URPF is enabled. You are advised to enable URPF before services are deployed. If you need to enable URPF after services are deployed, configure URPF when less traffic is transmitted and ensure that network requirements are met if the number of FIB entries is reduced by half. For EC series cards, ED series cards, and EE series cards, you can run the assign resource-mode slot slot-id mode enhanced-ipv4 command to expand their FIB entries.
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Updated: 2019-04-01

Document ID: EDOC1000178410

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