centos7為什麼不用,centos7 為什麼不用ifconfig

2021-05-05 07:26:50 字數 3041 閱讀 1724

1樓:死囚贖罪

個人感覺是習慣而已

ifconfig可以檢視到所有網絡卡傳送、接收丟失的包數量,以及流量。

ip addr show 命令和 ip a 命令效果一樣。

共同點都能看到 ip位址,mac位址,廣播位址,以及子網掩瑪

┌─[root@veyron] - [~] - [tue feb 14, 18:01]

└─[$] <> ip addr show

1: lo: mtu 65536 qdisc noqueue state unknown qlen 1

link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

inet 127.0.0.1/8 scope host lo

valid_lft forever preferred_lft forever

inet6 ::1/128 scope host

valid_lft forever preferred_lft forever

2: em1:

mtu 1500 qdisc mq state up qlen 1000

link/ether 78:2b:cb:2a:31:6d brd ff:ff:ff:ff:ff:ff

inet 10.200.250.221/16 brd 10.200.255.255 scope global em1

valid_lft forever preferred_lft forever

inet6 fe80::7a2b:cbff:fe2a:316d/64 scope link

valid_lft forever preferred_lft forever

3: em2: mtu 1500 qdisc mq state down qlen 1000

link/ether 78:2b:cb:2a:31:6e brd ff:ff:ff:ff:ff:ff

┌─[root@veyron] - [~] - [tue feb 14, 18:01]

└─[$] <> ip a

1: lo: mtu 65536 qdisc noqueue state unknown qlen 1

link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

inet 127.0.0.1/8 scope host lo

valid_lft forever preferred_lft forever

inet6 ::1/128 scope host

valid_lft forever preferred_lft forever

2: em1:

mtu 1500 qdisc mq state up qlen 1000

link/ether 78:2b:cb:2a:31:6d brd ff:ff:ff:ff:ff:ff

inet 10.200.250.221/16 brd 10.200.255.255 scope global em1

valid_lft forever preferred_lft forever

inet6 fe80::7a2b:cbff:fe2a:316d/64 scope link

valid_lft forever preferred_lft forever

3: em2: mtu 1500 qdisc mq state down qlen 1000

link/ether 78:2b:cb:2a:31:6e brd ff:ff:ff:ff:ff:ff

┌─[root@veyron] - [~] - [tue feb 14, 18:01]

└─[$] <> ifconfig

em1: flags=4163mtu 1500

inet 10.200.250.221 netmask 255.255.0.0 broadcast 10.200.255.255

inet6 fe80::7a2b:cbff:fe2a:316d prefixlen 64 scopeid 0x20

ether 78:2b:cb:2a:31:6d txqueuelen 1000 (ethernet)

rx packets 75176997 bytes 45512239088 (42.3 gib)

rx errors 0 dropped 227 overruns 0 frame 0

tx packets 53429119 bytes 56969436793 (53.0 gib)

tx errors 0 dropped 0 overruns 0 carrier 0 collisions 0

em2: flags=4099mtu 1500

ether 78:2b:cb:2a:31:6e txqueuelen 1000 (ethernet)

rx packets 0 bytes 0 (0.0 b)

rx errors 0 dropped 0 overruns 0 frame 0

tx packets 0 bytes 0 (0.0 b)

tx errors 0 dropped 0 overruns 0 carrier 0 collisions 0

lo: flags=73mtu 65536

inet 127.0.0.1 netmask 255.0.0.0

inet6 ::1 prefixlen 128 scopeid 0x10

loop txqueuelen 1 (local loopback)

rx packets 243375 bytes 344009355 (328.0 mib)

rx errors 0 dropped 0 overruns 0 frame 0

tx packets 243375 bytes 344009355 (328.0 mib)

tx errors 0 dropped 0 overruns 0 carrier 0 collisions 0

2樓:出門在外

很多軟體公升級了改變了

ip addr show

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