Alcatel Carrier Internetworking Solutions 6800 User Manual

OS6624/6648 Architecture

OmniSwitch Troubleshooting Guide

page -49

• Used to allow different rules to be applied for different protocols associated with same address. Proto-

col Offset Register is used to identify which protocols will be used in the system. Up to 18 Layer 2 
protocols are supported. There is a separate protocol entry for each protocol defined in the Protocol 
Offset Register

• Priority level of the packet for queuing

• Filter (6 bits), Mirror (5 bits), Priority (5 bits), TOS (6 bits) indices for flow-based rules. Each address 

that is to be used in a flow definition is assigned a unique index for the appropriate rule (i.e. Filter, 
Mirror, priority or TOS). 

• TOS marking rules

• Global destination/source priority rules (i.e. all packets with this destination address get this priority).

• Global destination/source filter rules (i.e. filter all packets with this source address)

• Global destination/source mirror rule (i.e. mirror all packets with this source address)

• Pointer to NetID

• 4-NetID Entry

• Contains transmit enables, prepend information and address based VLAN information.