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1. 버전

– Rocky-9.2

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2. 설명

2-1. nmcli 란?

NetworkManager와 상호 작용할 수 있도록 하는 명령어 도구입니다.

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3. nmcli

3-1. 네트워크 디바이스 확인

# nmcli device

DEVICE  TYPE      STATE                   CONNECTION
ens32   ethernet  connected               ens32
lo      loopback  connected (externally)  lo

3-2. 고정 IP 설정

# nmcli connection modify ens32 ipv4.addresses 192.168.204.221/24
# nmcli connection modify ens32 ipv4.gateway 192.168.204.254
# nmcli connection modify ens32 ipv4.dns 168.126.63.1
# nmcli connection modify ens32 ipv4.method manual
# nmcli connection up ens32

3-3. 고정 IP 설정 확인

# nmcli connection show ens32 | grep ipv4

ipv4.method:                            manual
ipv4.dns:                               168.126.63.1
ipv4.addresses:                         192.168.204.221/24
ipv4.gateway:                           192.168.204.254

# ifconfig

ens32: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.204.221  netmask 255.255.255.0  broadcast 192.168.204.255
        inet6 fe80::250:56ff:fead:14b0  prefixlen 64  scopeid 0x20<link>
        ether 00:50:56:ad:14:b0  txqueuelen 1000  (Ethernet)
        RX packets 3120  bytes 208890 (203.9 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 167  bytes 27215 (26.5 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 72  bytes 6120 (5.9 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 72  bytes 6120 (5.9 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

# ping google.com

64 bytes from kix06s11-in-f14.1e100.net (142.250.207.110): icmp_seq=1 ttl=55 time=77.0 ms
64 bytes from kix06s11-in-f14.1e100.net (142.250.207.110): icmp_seq=2 ttl=55 time=77.1 ms
64 bytes from kix06s11-in-f14.1e100.net (142.250.207.110): icmp_seq=3 ttl=55 time=77.1 ms

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