How To Install lldpd on CentOS 8

lldpd is ISC-licensed implementation of LLDP ISC-licensed implementation of LLDP

Introduction

In this tutorial we learn how to install lldpd on CentOS 8.

What is lldpd

LLDP is an industry standard protocol designed to supplant proprietary Link-Layer protocols such as EDP or CDP. The goal of LLDP is to provide an inter-vendor compatible mechanism to deliver Link-Layer notifications to adjacent network devices. lldpd 1.0.1 2.el8 x86_64 183 k lldpd-1.0.1-2.el8.src.rpm appstream ISC-licensed implementation of LLDP https ISC LLDP is an industry standard protocol designed to supplant proprietary Link-Layer protocols such as EDP or CDP. The goal of LLDP is to provide an inter-vendor compatible mechanism to deliver Link-Layer notifications to adjacent network devices.

We can use yum or dnf to install lldpd on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install lldpd.

Install lldpd on CentOS 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install lldpd using dnf by running the following command:

sudo dnf -y install lldpd

Install lldpd on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install lldpd using yum by running the following command:

sudo yum -y install lldpd

How To Uninstall lldpd on CentOS 8

To uninstall only the lldpd package we can use the following command:

sudo dnf remove lldpd

lldpd Package Contents on CentOS 8

/etc/lldpd.d
/etc/lldpd.d/README.conf
/etc/sysconfig/lldpd
/run/lldpd
/run/lldpd/chroot
/usr/lib/.build-id
/usr/lib/.build-id/27
/usr/lib/.build-id/27/ffaf11c04fc8d52dcb8e6a04653e72cdc637f8
/usr/lib/.build-id/69
/usr/lib/.build-id/69/cbd6bed4342978924812d77b09c5be4e70f14e
/usr/lib/.build-id/e3
/usr/lib/.build-id/e3/a3b41857fed94c716d37dc4a8b1cb89843672f
/usr/lib/liblldpctl.so.4
/usr/lib/liblldpctl.so.4.8.0
/usr/lib/systemd/system/lldpd.service
/usr/lib/tmpfiles.d/lldpd.conf
/usr/sbin/lldpcli
/usr/sbin/lldpctl
/usr/sbin/lldpd
/usr/share/doc/lldpd
/usr/share/doc/lldpd/NEWS
/usr/share/doc/lldpd/README.md
/usr/share/licenses/lldpd
/usr/share/licenses/lldpd/LICENSE
/usr/share/man/man8/lldpcli.8.gz
/usr/share/man/man8/lldpctl.8.gz
/usr/share/man/man8/lldpd.8.gz
/var/lib/lldpd
/etc/lldpd.d
/etc/lldpd.d/README.conf
/etc/sysconfig/lldpd
/run/lldpd
/run/lldpd/chroot
/usr/lib/.build-id
/usr/lib/.build-id/71
/usr/lib/.build-id/71/08c76b415245055be4a4df765e9bfe9322c856
/usr/lib/.build-id/9e
/usr/lib/.build-id/9e/246cf039a6c507a5d75399c12ffa8297410cc1
/usr/lib/.build-id/d2
/usr/lib/.build-id/d2/06f0ae510d8b3ef13f92b4c6b55a43d0b9f435
/usr/lib/systemd/system/lldpd.service
/usr/lib/tmpfiles.d/lldpd.conf
/usr/lib64/liblldpctl.so.4
/usr/lib64/liblldpctl.so.4.8.0
/usr/sbin/lldpcli
/usr/sbin/lldpctl
/usr/sbin/lldpd
/usr/share/doc/lldpd
/usr/share/doc/lldpd/NEWS
/usr/share/doc/lldpd/README.md
/usr/share/licenses/lldpd
/usr/share/licenses/lldpd/LICENSE
/usr/share/man/man8/lldpcli.8.gz
/usr/share/man/man8/lldpctl.8.gz
/usr/share/man/man8/lldpd.8.gz
/var/lib/lldpd

References

Summary

In this tutorial we learn how to install lldpd on CentOS 8 using yum and dnf.