Posts Tagged ‘arp’

ARP provides IP communication within a Layer 2 broadcast domain by mapping an IP address to a MAC address. Address resolution protocol works at the Data Link Layer.It is also used for IP over other LAN technologies, such as Token Ring, FDDI, or IEEE 802.11, and for IP over ATM. Address resolution is the process to find an address of a computer in ... Full story

You may want to see the updated version of this post at: http://blog.internetworkexpert.com/2008/07/14/private-vlans-revisited/ — Private VLAN concepts are quite simple, but Cisco’s implemenation and configuration steps are a bit confusing – with all the “mappings” and “associations” stuff. Here comes a short overview of how private VLANs work. To begin with, let’s look at the concept of VLAN as a broadcast domain. What Private ... Full story