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<big>'''Expert settings'''</big> | <big>'''Expert settings'''</big> | ||
The Expert settings contains parameter which are often only necessary to change in rare installation scenarios or some specific need for a different operation mode. | |||
'''Packet length accounting''' | '''Packet length accounting''' | ||
This setting allows to configure which packet length is used for all traffic counters and incidents. Following modes are possible: | |||
* Layer 1: Packet length is accounted on layer 1 including preamble (7 Byte), SFD (1 Byte) and inter frame gap (12 Byte) | |||
* Layer 2 without frame check sequence (default): Packet length is accounted on layer 2 without frame check sequence (4 Byte) | |||
* Layer 2 with frame check sequence: Account packet length on layer 2 with frame check sequence (4 Byte) When switching to another mode, it will only be applied on new packets. Older packet size statistics will not be changed. | |||
'''VLAN handling''' | '''VLAN handling''' | ||
The Allegro Network Multimeter can ignore VLAN tags for connection tracking. Enabling this option might be necessary if network traffic is seen on the Network Multimeter that contains changing VLAN tags for the same connection. | |||
For example, depending on the configuration of the mirror port to which the Network Multimeter is connected, incoming traffic could contain a VLAN tag while outgoing traffic does not. In this example, a connection would appear two times in the statistics which is often the desired behavior to be able to identify a network | |||
misconfiguration. But sometimes this behavior is intended and the user want to see only one connection. | |||
In this scenario the option can be enabled to ignore varying VLAN tags for a otherwise identical connection. | |||
'''Tunnel view mode''' | '''Tunnel view mode''' | ||