Ericsson AVP 2000 Series - Data Routing; Handling Processed Packets; Operation States; Overview

Advanced Video Processing and Networking
EN/LZT 790 0023/1 R16A
6-9
6.3 Data Routing
6.3.1 Packet Processing
Every received packet is examined and based on a routing table, determines where
the packet should be routed, or whether the packet should be dropped.
The only received packets that need to be processed are:
• ARP
• ICMP
• Reflex PCR Exchange Messages (UDP)
The only possible destinations for received packets are:
• The Reflex PCR Exchange Message Handler
• The Host Processor
6.3.2 Handling Processed Packets
Packets are routed or dropped based on the following fields:
• MAC destination address
• Source IP address and mask
• Destination IP address and mask
• EtherType (to allow filtering of ARP ICMP STP etc)
• UDP and TCP Destination UDP Port Number
6.4 Setmode
6.4.1 Overview
The Setmode function enables the switch of the operation states of the services or
of the whole device.
6.4.2 Operation States
The Setmode function is available on two levels: media and unit level. The function
provides five states on both of the levels.