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HP J9574A

HP J9574A
732 pages
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Enable ACL “Deny” Logging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-112
Requirements for Using ACL Logging . . . . . . . . . . . . . . . . . . . . . . . . 10-112
ACL Logging Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-113
Enabling ACL Logging on the Switch . . . . . . . . . . . . . . . . . . . . . . . . 10-114
Configuring the Logging Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-116
Monitoring Static ACL Performance . . . . . . . . . . . . . . . . . . . . . . . . . 10-117
Example of ACL Performance Monitoring . . . . . . . . . . . . . . . . 10-119
Example of Resetting ACE Hit Counters to Zero . . . . . . . . . . . 10-121
IPv6 Counter Operation with Multiple Interface Assignments 10-122
IPv4 Counter Operation with Multiple Interface Assignments 10-123
General ACL Operating Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-128
11 Configuring Advanced Threat Protection
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
DHCP Snooping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-3
Enabling DHCP Snooping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-4
Enabling DHCP Snooping on VLANS . . . . . . . . . . . . . . . . . . . . . . . . . . 11-6
Configuring DHCP Snooping Trusted Ports . . . . . . . . . . . . . . . . . . . . 11-6
Configuring Authorized Server Addresses . . . . . . . . . . . . . . . . . . . . . . 11-7
Using DHCP Snooping with Option 82 . . . . . . . . . . . . . . . . . . . . . . . . . 11-8
Changing the Remote-id from a MAC to an IP Address . . . . . . 11-10
Disabling the MAC Address Check . . . . . . . . . . . . . . . . . . . . . . . 11-10
The DHCP Binding Database . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-11
Operational Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-12
Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-13
Dynamic ARP Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-15
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-15
Enabling Dynamic ARP Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-17
Configuring Trusted Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-17
Adding an IP-to-MAC Binding to the DHCP Database . . . . . . . . . . . 11-19
Configuring Additional Validation Checks on ARP Packets . . . . . . 11-20
Verifying the Configuration of Dynamic ARP Protection . . . . . . . . 11-20
Displaying ARP Packet Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-21

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