
314470-15.5 Rev 00 8-1
Chapter 8
Configuring IP, ARP, RIP, RARP, and OSPF
Services
Version 15.3.0.0
The following section is new to Chapter 1, “IP Concepts, Terminology, and
Features” in Configuring IP, ARP, RIP, RARP, and OSPF Services.
RFC826 Support
BayRS now supports RFC826: An Ethernet Address Resolution Protocol.
According to RFC826, when a router interface receives an ARP request or reply,
it checks the source IP address to make sure that it is valid and the router’s
translation table for the destination IP and MAC address pair. If the saved MAC
address in the table is different from the reported MAC address, the router
replaces the old MAC address with the new one. The interface then checks for the
message type (request or reply). If the router cannot find the MAC address in the
translation table, it discards the message.
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