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This package contains the two plugins. The check plugin **_cisco_cellular_lte_** and the inventory plugin **_inv_cisco_cellular_lte_**.
This check plugin will monitor 2G/3G/4G wireless modems and there associated connections. By default it will only discover cellular modems with a SIM card/connectin attached. It was tested with the integrated modem of the Cisco ISR1100 series routers and the with a NIM in a Cisco ISR4451. Each modem can have up to two connections at the same time (over one SIM-card). The integrated modems and also newer NIM modules have dual SIM-card capabilities. Dual SIM-Cards can be usesd in a redundancy failover manner. Only one SIM-Card will be active at any given time.
In the service summary the plugin will show
- the connection status
- the values for RSSI, RSRP and RSRQ
- the associated IP-Addresses (IPv4 and IPv6)
- the roaming state
- the current channel
- the network code
- the service typoe
- the provider time
- modem state and status
- the APN
- the configured and the current APN type
</details>
<details><summary>inv_cisco_cellular_lte</summary>
This inventory plugin adds under _Networking_ -> _Cellular (LTE)_:
- IMEI (International Mobile Equipment Identifier)
- IMSI (International Mobile Subscriber Identifier)
- ICCID (Integrated Circuit Card ID)
- MSISDN (Mobile Subscriber Integrated Services Digital Network Number)
- Network code
- Country
- APN (Access Point Nam)
- Service type
- current band
With the inventory view _Search Cellular (LTE)_ you can filter and report on this data for all your hosts.
</details>
* [cisco_cellular_lte.mkp](https://thl-cmk.hopto.org/gitlab/checkmk/cisco/cisco_cellular_lte/-/raw/master/cisco_cellular_lte.mkp "Download the MKP file")
You can install the package by uploading it to your CheckMK site and as site user run `mkp install cisco_cellular_lte.mkp`.
In the Enterprise/Free edition of CheckMK you can use the GUI to install the package (_Setup_ -> _Extension Packages_ -> _Upload package_)
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### Want to Contribute?
Nice ;-) Have a look at the [contribution guidelines](CONTRIBUTING.md "Contributing")
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### Check Info
The plugin creates the service **_Cellular_** for each discovered cellular interface with the **_cellular_interface_name_** as item
<details><summary>Montoring states</summary>
| State | condition | WATO |
| ------ | ------ | ------ |
| WARN | no SIM card attached to the interface | yes |
| CRIT | connection state not active | yes |
| CRIT | modem state not up | yes |
| CRIT | modem not online | yes |
| WARN | connection is roaming | yes |
| WARN/CRIT | RSSI is below -75dBm/-85dBm | yes |
| WARN/CRIT | RSRP is below -100dBm/-115dBm| yes |
| WARN/CRIT | RSRQ is below -8dB/-15dB | yes |
| WARN | current Band is not as expected | yes |
</details>
<details><summary>Perfdata</summary>
| Metric | Unit | Perfometer |
| ------ | ------ | ------ |
| Input Bandwidth | bit/s | yes |
| Output bandwidt | bit/s | yes |
| RSSI | dBm | no |
| RSRQ | dB | no |
| RSRP | dBm | no |
</details>
<details><summary>Service monitoring rule</summary>
| Section | Rule name |
| ------ | ------ |
| Networking | Cisco cellular LTE |
| Option | Defailt value |
| ------ | ------ |
| Lower levels for RSRP | -100dBm/-115dBm |
| Lower levels for RSRQ | -8dB/-15dB |
| Lower levels for RSSI | -75 dBm/-85dBm |
| Expected Band | LTE Band |
| Monitoring state if current band is not expected band | WARN |
| Monitoring state if the device is roaming | WARN |
| Monitoring state if no SIM card associated | WARN |
| Monitoring state if the device is not connected | WARN |
| Monitoring state if the modem is not up | WARN |
| Monitoring state if the modem is not online | WARN |
| the device is not affected by Cisco Bug ID CSCvt55347 | disabled |
<details><summary>Discovery rule</summary>
| Section | Rule name |
| ------ | ------ |
| Discovery of individual services | Cisco cellular LTE |
| Option | Defailt value |
| ------ | ------ |
| Discover interfaces without associated SIM card | disabled |
Sample inventory
