D-Link DGS-1250 Emulator - Page 180
ip arp inspection trust, ip arp inspection validate
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DGS-1250 Series Gigabit Ethernet Smart Managed Switch CLI Reference Guide Example This example shows how to change the maximum buffer number to 64. Switch# configure terminal Switch(config)# ip arp inspection log-buffer entries 64 Switch(config)# 23-7 ip arp inspection trust This command is used to trust an interface for dynamic ARP inspection. Use the no form of this command to disable the trust state. ip arp inspection trust no ip arp inspection trust Parameters None. Default By default, this option is disabled. Command Mode Interface Configuration Mode. Usage Guideline When an interface is in the trust state, the ARP packets arriving at the interface will not be inspected. When an interface is in the untrusted state, ARP packets arriving at the port and belongs to the VLAN that is enabled for inspection will be inspected. Example This example shows how to configure port 3 to be trusted for DAI. Switch# configure terminal Switch(config)# interface eth1/0/3 Switch(config-if)# ip arp inspection trust Switch(config-if)# 23-8 ip arp inspection validate This command is used to specify the additional checks to be performed during an ARP inspection check. Use the no form of this command to remove specific additional check. ip arp inspection validate [src-mac] [dst-mac] [ip] no ip arp inspection validate [src-mac] [dst-mac] [ip] Parameters src-mac (Optional) Specifies to check for ARP requests and response packets and the consistency of the source MAC address in the Ethernet header against the sender MAC address in the ARP payload. 177
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