FAQ: Difference between revisions

43 bytes added ,  27 March 2020
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'''  What is the difference between the Monitor interfaces and the Management interfaces? '''
==== What is the difference between the Monitor interfaces and the Management interfaces? ====


The Monitor interfaces are used to passively analyze traffic and cannot be used for management functions like accessing
The Monitor interfaces are used to passively analyze traffic and cannot be used for management functions like accessing
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''' What can I do with the integrated KVM port?'''
==== What can I do with the integrated KVM port ====


The Allegro Network Multimeter 1000 and 3000 series devices contain a KVM/IPMI management module from Supermicro by
The Allegro Network Multimeter 1000 and 3000 series devices contain a KVM/IPMI management module from Supermicro by
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'''I do not have a WIFI client and I do not have a DHCP server. How can I access the Allegro Network Multimeter? '''
==== I do not have a WIFI client and I do not have a DHCP server. How can I access the Allegro Network Multimeter? ====


It is possible to make the Allegro Network Multimeter set a temporary static address on the LAN Management interface.
It is possible to make the Allegro Network Multimeter set a temporary static address on the LAN Management interface.
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''' What kind of user data is stored on the Allegro Network Multimeter?'''
==== What kind of user data is stored on the Allegro Network Multimeter ====


All metadata and statistics are stored in the device's main memory and are gone as soon as the device is rebooted,
All metadata and statistics are stored in the device's main memory and are gone as soon as the device is rebooted,
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'''How can I reset the Allegro Network Multimeter to a default configuration? '''
==== How can I reset the Allegro Network Multimeter to a default configuration? ====


There are two ways to reset the configuration of the device.
There are two ways to reset the configuration of the device.
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''' Where does the Allegro Network Multimeter display L1 issues like bad CRC frames?'''
==== Where does the Allegro Network Multimeter display L1 issues like bad CRC frames? ====


Issues like these are accounted for the Monitoring interface on which the issue was encountered and the respective
Issues like these are accounted for the Monitoring interface on which the issue was encountered and the respective
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==== What happens in case of a system overload? ====
''' What happens in case of a system overload?'''


In case of a system overload, a prominent warning is displayed at the top of the user interface for a few seconds
In case of a system overload, a prominent warning is displayed at the top of the user interface for a few seconds
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''' What happens if the maximum number of stored connections has been reached?'''
What happens if the maximum number of stored connections has been reached? ====


In this case, the *Allegro Network Multimeter* will start freeing up memory by removing historic statistical data which
In this case, the *Allegro Network Multimeter* will start freeing up memory by removing historic statistical data which
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''' I can only see the traffic of the last day. How can I increase this period?'''
==== I can only see the traffic of the last day. How can I increase this period? ====


If the system does not provide a sufficient look back-in-time with the given traffic, it may help to deactivate certain
If the system does not provide a sufficient look back-in-time with the given traffic, it may help to deactivate certain
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''' What happens to the data after shutdown, reboot, or restart processing?'''
==== What happens to the data after shutdown, reboot, or restart processing? ====


The Allegro Network Multimeter uses an In-Memory database to store the
The Allegro Network Multimeter uses an In-Memory database to store the
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''' What types of SFP modules are supported?'''
==== What types of SFP modules are supported? ====


This depends on which SFP+ ports are used. The following table shows what kind of modules are supported in which
This depends on which SFP+ ports are used. The following table shows what kind of modules are supported in which
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''' What bypass options are available?'''
==== What bypass options are available? ====


Two bypass options are available:
Two bypass options are available:
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''' How does the bypass work?'''
==== How does the bypass work? ====


If the Allegro Network Multimeter contains a bypass option, it is only active when the device is configured to operate
If the Allegro Network Multimeter contains a bypass option, it is only active when the device is configured to operate
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''' What does the question mark on packets/bytes counters mean?'''
==== What does the question mark on packets/bytes counters mean? ====
 
The Allegro Network Multimeter stores historical traffic data in
The Allegro Network Multimeter stores historical traffic data in
different time resolutions depending on the age of the data.
different time resolutions depending on the age of the data.
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'''How can I print statistics? '''
==== How can I print statistics? ====


The *Allegro Network Multimeter* web interface can be printed by using
The *Allegro Network Multimeter* web interface can be printed by using
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''' Which time stamps are used during packet ring buffer replay?'''
==== Which time stamps are used during packet ring buffer replay? ====


Packet ring buffer replay will use the original time stamps of the packets as they were captured. Therefore the replay
Packet ring buffer replay will use the original time stamps of the packets as they were captured. Therefore the replay
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''' How many captures can be used in parallel?'''
==== How many captures can be used in parallel? ====


The Allegro Network Multimeter 200 supports up to 3 parallel and the
The Allegro Network Multimeter 200 supports up to 3 parallel and the
1000/3000 model supports up to 4 parallel captures. If the memory
1000/3000 model supports up to 4 parallel captures. If the memory
usage is too high, the number of parallel captures might be lower.
usage is too high, the number of parallel captures might be lower.
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