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79 lines
2.6 KiB
Markdown
79 lines
2.6 KiB
Markdown
source: Extensions/Interface-Description-Parsing.md
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path: blob/master/doc/
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## About
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Librenms can interpret, display and group certain additional information on ports.
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This is done based on the format that the port description is written although it's possible
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to customise the parser to be specific for your setup.
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## Keywords
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See [examples](#examples) for formats.
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- **Keywords**
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- `Cust` - Customer
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- `Transit` - Transit link
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- `Peering` - Peering link
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- `Core` - Infrastructure link (non-customer)
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- Info-keywords
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- `()` contains a note
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- `{}` contains *your* circuit id
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- `[]` contains the service type or speed
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## Examples
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Cisco IOS / NXOS / IOSXR:
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```text
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interface Gi0/1
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descr Transit: Example Provider (AS65000)
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interface Gi0/2
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descr Peering: Peering Exchange
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interface Gi0/3
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descr Core: core.router01 FastEthernet0/0 (Telco X CCID023141)
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interface Gi0/4
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descr Cust: Example Customer [10Mbit] (T1 Telco Y CCID129031) {EXAMP0001}
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```
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Unix / Linux:
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> This requires an additional script to be [setup](#setup)
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```text
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# eth3: Cust: Example Customer [10Mbit] (T1 Telco Y CCID129031) {EXAMP0001}
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# eth0: Transit: Example Provider (AS65000)
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# eth1: Core: core.router01 FastEthernet0/0 (Telco X CCID023141)
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# eth2: Peering: Peering Exchange
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```
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## Customisation
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The following config options can be set to enable more custom types:
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```php
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$config['customers_descr'][] = 'cust';
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$config['transit_descr'][] = "transit";
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$config['peering_descr'][] = "peering";
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$config['core_descr'][] = "core";
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$config['custom_descr'][] = "something_made_up";
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```
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## Custom interface parser
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It's also possible to write your own parser, the existing one is: includes/port-descr-parser.inc.php
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Once you've created your own then you can enable it with:
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```php
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$config['port_descr_parser'] = "includes/custom/my-port-descr-parser.inc.php";
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```
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## Setup
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For Unix / Linux based systems, you need to run an additional script to support the parsing of interface infor.
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- Add `ifAlias` from `/opt/librenms/scripts/` or download it from [here](https://github.com/librenms/librenms/blob/master/scripts/ifAlias) to the Server and make
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it executable `chmod +x /path/to/ifAlias`
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- Add to `snmpd.conf` something like:
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``pass .1.3.6.1.2.1.31.1.1.1.18 /path/to/ifAlias``
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- Restart `snmpd` - `service snmpd restart`
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There are no changes to be made or additions to install for the polling librenms.
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Now you can set up your [keywords](#keywords) in your `/etc/network/interfaces`
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``//Add more distributions than just Debian based`` |