---
name: "gnb_ctl"
section: "8"
platform: "linux"
package: "opengnb"
version: "1.6.0.a-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/gnb_ctl"
---

# gnb\_ctl(8)

command to control VPN used by opengnb

## NAME

gnb\_ctl - command to control VPN used by opengnb

## SYNOPSIS

**gnb\_ctl** *-b CTL\_BLOCK* \[*OPTION*\]

## DESCRIPTION

GNB Ctl version 1.0.0 protocol version 1.1.2

## Command Summary:

- **-b**, **--ctl-block**

  ctl block mapper file

- **-a**, **--address**

  operate address zone

- **-c**, **--core**

  operate core zone

- **-r**, **--reachabl**

  only output reachabl node

- **-s**, **--show**

  show info

**--help**

## Example:

- ./gnb\_ctl **--ctl\_block=**./gnb.map

  ## SEE ALSO

[gnb\_crypto(1)](/gnb_crypto/1.md), [gnb(8)](/gnb/8.md), [gnb\_es(8)](/gnb_es/8.md)

## HOMEPAGE

Source Code and Documentation at https://github.com/gnbdev/opengnb

## COPYRIGHT

Copyright © 2019-2022 gnbdev\<gnbdev@qq.com\>