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Names and look-ups: Difference between revisions
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(Restructure: introduce User defined names section) |
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= User defined names = | = User defined names = | ||
It is possible to label IP and MAC address with custom names and group them together into categories to | It is possible to label IP and MAC address, as well as TCP-/UDP-ports with custom names and group them together into categories to provide easy access to specific systems. | ||
For example, all your internal machines could be labeled to match their actual name and you can categorize them into different departments. | For example, all your internal machines could be labeled to match their actual name and you can categorize them into different departments. | ||
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== Configuration== | == Configuration == | ||
The configuration of the list of user defined names is available via '''Settings -> Names and look-ups'''. | |||
'''Web Interface''' | '''Web Interface''' | ||
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|} | |} | ||
=== IP names and MAC names === | |||
'''Adding or removing entries''' | |||
In the tabs for IP and MAC names, the configuration page shows on top the list of names currently set in the system. | |||
It is possible to search for a specific entry by entering the IP or MAC address, | It is possible to search for a specific entry by entering the IP or MAC address, category or actual name. | ||
Individual entries may be removed from the list by clicking at the trashcan symbol in the last column. | Individual entries may be removed from the list by clicking at the trashcan symbol in the last column. | ||
At the bottom of the table new elements can be added by entering the IP or MAC address, | At the bottom of the table new elements can be added by entering the IP or MAC address, the category and name of the element. | ||
By clicking | By clicking the '''plus''' symbol, the entry is added and will be used without further doing. | ||
The complete IP or MAC address list can be cleared by clicking | The complete IP or MAC address list can be cleared by clicking the respective clear button below the table, a dialog will ask for confirmation. | ||
Names may also be set directly at the IP or MAC detail page, see below for more information. | Names may also be set directly at the IP or MAC detail page, see below for more information. | ||
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'''Importing IP list''' | '''Importing IP list''' | ||
IP names can be imported as an IP list from an external URL or a file in the format: | |||
{| class="wikitable" | {| class="wikitable" | ||
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|} | |} | ||
By clicking on '''Import list''' a dialog will be opened where you can choose to download such a list from a given URL or specify a file from your system. | By clicking on '''Import IP list''' a dialog will be opened where you can choose to download such a list from a given URL or specify a file from your system. | ||
The IPs are added to the already existing ones. | The IPs are added to the already existing ones. | ||
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{| class="wikitable" | {| class="wikitable" | ||
|ip,192.168.0.1,category,name | |ip,192.168.0.1,category,name | ||
mac,00:00:00:00:00:00,category,name | mac,00:00:00:00:00:00,category,name<br> | ||
... | ... | ||
|} | |} | ||
The | Each line describes one entry. | ||
The columns contain the following information in this order: | |||
# Entry type. Can be '''ip''' for an IP address or '''mac''' for a MAC address. | |||
# Actual address. | |||
# Category name. | |||
# Entry name. | |||
A template file which may be opened in a spreadsheet application can be downloaded using the '''Download CSV template''' button. | |||
The | The final file can be uploaded by clicking the '''Upload CSV list''' button and selecting the file from your local directory. | ||
The | The current list can be downloaded by clicking the '''Download''' button. The CSV file will contain both IP and MAC addresses. | ||
=== L4 port names === | |||
''' | '''Adding or removing entries''' | ||
On top of this tab, a list of configured TCP- and UDP-port names is shown. | |||
Entries from this list can be removed by clicking the trashcan icon on the right of each entry line. | |||
New port names can be created by clicking the '''Add port name''' button on the bottom of the list. | |||
A configuration dialog pops up and allows to select the protocol type (TCP or UDP) and configure the port number as well as the name. | |||
== Name display for user defined names== | == Name display for user defined names == | ||
If a user defined name is configured for an IP or MAC address, the name will be shown among the alternative names (which also include possible DNS, DHCP name, or other sources of information). | If a user defined name is configured for an IP or MAC address, the name will be shown among the alternative names (which also include possible DNS, DHCP name, or other sources of information). | ||
In the IP and MAC overview screenshots below, the IP or MAC column is highlighted to indicate such special entries for which a name is configured. | |||
{| class="wikitable" | {| class="wikitable" | ||
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|- | |- | ||
|} | |} | ||
In the detailed page for a single IP or MAC address, you can click on the pencil symbol to directly set a name for this specific address. | In the detailed page for a single IP or MAC address, you can click on the pencil symbol to directly set a name for this specific address. | ||
{| class="wikitable" | {| class="wikitable" | ||
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|- | |- | ||
|} | |} | ||
== Filtering== | == Filtering== | ||
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It is also possible to filter for specific category by using the '''category''' check: | It is also possible to filter for a specific category by using the '''category''' check: | ||
{| class="wikitable" | {| class="wikitable" | ||
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|} | |} | ||
In this example, the list would only show those | In this example, the list would only show those elements for which a user defined name is set and its category contains the string '''server'''. | ||
= DNS resolve = | |||
The Allegro Network Multimeter can resolve IP addresses by using the DNS server known to the management interface. A reverse lookup is being performed and the retrieved naming information is shown next to the IP address in various modules. | |||
The DNS resolving can also be configured to run periodically after an interval passed and try to resolve IPs of certain given subnets. To prevent high load on the DNS server, only 5 queries may be active in parallel. | |||