By default, the device performs the following operations if it is using the sender IP address of a received ARP packet: · Sends a gratuitous ARP request. · Displays an error message after the device receives an ARP reply about the conflict. You can use this command to enable the device ...
-U Unsolicited ARP mode, update your neighbors #Unsolicited ARP mode to update neighbours<80><99> ARP caches. No replies are expected. #为了更新以太网邻居的ARP快速缓存而主动进行的ARP。也就是免费ARP(gratuitous ARP),即请求自己的ip地址的mac地址。-A ARP answer mode, update your neighbors #与-U...
Gratuitous ARPcould mean both gratuitous ARPrequestor gratuitous ARPreply. Gratuitous in this case means a request/reply that is not normally needed according to the ARP specification (RFC 826) but could be used in some cases. A gratuitous ARP request is anAddressResolutionProtocolrequest packet whe...
When the ATM source and/or target address is unknown, the corresponding ATM address length in the InATMARP packet MUST be set to zero (0) indicating a null length, and no storage be allocated in the InATMARP packet, otherwise the appropriate address field should be filled in and the corr...
It's not exactly gratuitous ARP but it does, in my experience, help to rapdily converge the systems which currently don't talk to each other. Also make absolutely sure that the VIP is being torn down on the failed director. If it isn't, and it still ARPs for it, you'll end up...
[Sysname-Vlan-interface2] arp send-gratuitous-arp interval 300 gratuitous-arp mac-change retransmit Use gratuitous-arp mac-change retransmit to set the times and the interval for retransmitting a gratuitous ARP packet for the device MAC address change. Use undo gratuitous-arp mac-change retransmit...
[Sysname-Vlan-interface2] arp send-gratuitous-arp interval 300 gratuitous-arp mac-change retransmit Use gratuitous-arp mac-change retransmit to set the times and the interval for retransmitting a gratuitous ARP packet for the device MAC address change. Use undo gratuitous-arp mac-change retransmit...