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网卡设备状态：& S2 a: ?- i& ~9 p7 U% o' J
[root@localhost ~]# nmcli device status1 J, m3 y; W q% I6 z' O
DEVICE TYPE STATE CONNECTION
/ I# a2 v n a& N1 R! kenp9s0f0 ethernet connected enp9s0f0 5 L/ w, P: v. r
enp7s0 ethernet unavailable --
( u* r( |5 Y6 ]7 f0 _enp8s0 ethernet unavailable -- 0 q" V; m9 t( }0 \& @) K* ^9 ?( p
enp9s0f1 ethernet unavailable --
8 ? {% s' P( I& y; tlo loopback unmanaged -- h' P; D2 \, d) \# v; \) _5 k, j
1 S2 d6 n2 Y6 x# y" G& p! x
查看网卡信息：# ]4 J9 ^% Y; l( {2 I' S8 Z
[root@localhost ~]# nmcli c
: Z) H: t/ K, W+ b) u- j' N2 ?+ pNAME UUID TYPE DEVICE
2 }3 s8 e7 N0 g3 h( V( [+ g* Genp9s0f0 24cd33cc-8a9c-43fb-a817-3168b5eaf84e ethernet enp9s0f0 ; } ~- a- {4 l W' z
enp7s0 75faabc3-f62c-9770-bfe5-9996ddb77891 ethernet -- 7 n% I. \! t; b4 ^5 Z
enp8s0 c2805d6e-8944-4c36-9e7c-1eb075356b51 ethernet --
n/ O2 P4 d X( t* {9 o) @* G4 Z5 Lenp9s0f1 ef8703ae-0d15-4814-8f21-f4a529f8ffee ethernet --
& Z* i4 b" t1 `0 @$ f& O, Z- q
3 b! z! y+ T0 U0 I+ i1 Q[root@localhost ~]# nmcli c show , j& b- M. V2 G1 T
NAME UUID TYPE DEVICE 4 ^5 u% A, }( z6 k. c1 k! B
enp9s0f0 24cd33cc-8a9c-43fb-a817-3168b5eaf84e ethernet enp9s0f0 / R: T4 f# S, m# L6 O+ i H; _1 U5 T: C
enp7s0 75faabc3-f62c-9770-bfe5-9996ddb77891 ethernet --
& h) S2 f5 C2 \! nenp8s0 c2805d6e-8944-4c36-9e7c-1eb075356b51 ethernet -- $ w- [1 e; w$ n6 Y
enp9s0f1 ef8703ae-0d15-4814-8f21-f4a529f8ffee ethernet -- : o/ f9 \( d% u9 B c0 y8 w
* h8 Q' a) O, W$ h' }7 Q }! g; ~. Y
[root@localhost ~]# nmcli con show
/ P, H9 n( ^' D* R4 ^5 A ^" K6 eNAME UUID TYPE DEVICE
4 G! G" G( ~/ v" W) H: @$ ?enp9s0f0 24cd33cc-8a9c-43fb-a817-3168b5eaf84e ethernet enp9s0f0
, T* [+ H, _4 Z5 u( K& Senp7s0 75faabc3-f62c-9770-bfe5-9996ddb77891 ethernet -- & W1 a- }' J& X4 q
enp8s0 c2805d6e-8944-4c36-9e7c-1eb075356b51 ethernet --
5 l* ~6 Z/ _7 ~* n) qenp9s0f1 ef8703ae-0d15-4814-8f21-f4a529f8ffee ethernet -- 9 `0 `% J$ j; y; `; \( l) ^
' F0 d5 T/ X/ b) k/ k+ }/ R8 [1 Y" W
查看网卡具体信息：
/ t' s& K* r: j8 t) l* l! b
" @; K7 l* e) u9 F" ?( J[root@localhost ~]# nmcli connection show enp9s0f0
3 c4 ]3 L% M* M- y, j I$ P9 rconnection.id: enp9s0f05 E/ _0 P0 {; M1 |! F) r
connection.uuid: 24cd33cc-8a9c-43fb-a817-3168b5eaf84e
% W! l! v) l% B" v& n/ ~: z; Kconnection.stable-id: --5 a; h7 l# ?( F) {1 w5 w5 |1 `
connection.type: 802-3-ethernet
1 m: ~& a1 }1 @5 e3 Mconnection.interface-name: enp9s0f0
$ f6 p/ [& K4 o& x8 u2 G2 O1 W% P6 Dconnection.autoconnect: no. Q7 W" q0 _9 ?/ z, L) M! L4 i8 `
connection.autoconnect-priority: 0! g% ^7 C+ \. h, T% ^8 {
connection.autoconnect-retries: -1 (default)
- J% K7 R }( v* {" Nconnection.multi-connect: 0 (default)
$ t( D. e6 V( I5 v4 A( Econnection.auth-retries: -1
5 u, z4 q2 |# y/ r+ f* `2 hconnection.timestamp: 1599451577! c* \( ^' n0 x4 l5 l. Z
connection.read-only: no
) N7 B/ `/ s# C( H# \connection.permissions: --
{. O; E6 j( g1 A! w5 G. e6 Vconnection.zone: --
5 }! l$ Z) Y$ b V0 I" y: W9 zconnection.master: --
* C* X+ s6 Q" f# bconnection.slave-type: --
, t' k$ k: V Y+ Aconnection.autoconnect-slaves: -1 (default)1 A* v' k" f# M$ b" `) ?) t" q( H5 u( e
connection.secondaries: --' D$ _" u+ P- X9 r" Z
connection.gateway-ping-timeout: 0
) U, i# J/ B* m* sconnection.metered: unknown9 o1 c: ]) J2 Q7 p* p9 ?0 R
connection.lldp: default2 u1 o4 {5 C* n/ g \1 H
connection.mdns: -1 (default)$ S7 L7 X) r, {
connection.llmnr: -1 (default): R, }9 R9 W% P1 Q# z# K, Z: b
connection.wait-device-timeout: -1! @! \- p! p+ P: D8 M9 `% f! Q- h0 A
802-3-ethernet.port: --6 @1 \1 C& r0 |- P2 r4 U$ z% G
802-3-ethernet.speed: 0
+ C, B( U$ i$ C; L: Z+ k- l, K6 c802-3-ethernet.duplex: --
# w/ ~ G% [$ I1 W9 H802-3-ethernet.auto-negotiate: no
" d2 \# K5 Z6 |3 W6 w% l802-3-ethernet.mac-address: --
$ C8 k# m, J4 f% n- x7 ^802-3-ethernet.cloned-mac-address: --
% o3 n* t, u0 I7 a2 `6 S802-3-ethernet.generate-mac-address-mask:--( [, I/ q) g" D I! ~
802-3-ethernet.mac-address-blacklist: --
( x. L1 q4 a$ C9 }+ e802-3-ethernet.mtu: auto
# p1 y, L( x4 r3 n802-3-ethernet.s390-subchannels: --- [: x% N# w' i# C
802-3-ethernet.s390-nettype: --
$ ~/ C9 G! b# U: G802-3-ethernet.s390-options: --2 L7 K2 ^" T% R5 O) q+ |
802-3-ethernet.wake-on-lan: default
3 ~/ ^$ K5 V. S$ |: y4 m9 h802-3-ethernet.wake-on-lan-password: --$ S7 A/ Y3 }8 u& T+ ?( y! u
ipv4.method: auto) [0 q% N* [/ _5 W0 {
ipv4.dns: --
* Q8 f, X2 k$ I1 p& uipv4.dns-search: --9 a+ Y* J" W6 p: Z- q
ipv4.dns-options: --
3 V2 }1 w6 D* P' d( ripv4.dns-priority: 0: S$ r- W7 D3 C) O) K
ipv4.addresses: --
5 N W( P# i3 }7 S3 H2 e- Dipv4.gateway: --
( w4 h8 `, @( ^: x7 eipv4.routes: --
% f+ k! A/ }0 V# bipv4.route-metric: -14 k& G7 ^- _1 k s7 @
ipv4.route-table: 0 (unspec)
$ n7 ?/ @/ ]3 o8 f- a( kipv4.routing-rules: --
+ O7 c- {, @7 l" h, B! { ^. Sipv4.ignore-auto-routes: no
4 H3 }1 J% M9 L, r0 ~+ \( r' n" Aipv4.ignore-auto-dns: no
% M: J$ o% r0 y1 b( r# Iipv4.dhcp-client-id: --' p3 u) G7 k, i* k
ipv4.dhcp-iaid: --
3 e* V% c3 }- Y" b P6 Wipv4.dhcp-timeout: 0 (default)
8 V4 e. Q7 M6 {& O- h) x; Tipv4.dhcp-send-hostname: yes
1 Q' s \3 x! ~' i& t8 S/ [8 G* Tipv4.dhcp-hostname: --
3 g1 U3 N( W+ J5 P8 U& R3 jipv4.dhcp-fqdn: --
, }4 d$ j- D7 _5 u8 O3 [ipv4.dhcp-hostname-flags: 0x0 (none)# c( p8 v, Z: l* n. w) y
ipv4.never-default: no( @% g! o8 _8 V: R# k
ipv4.may-fail: yes7 E2 Y# k1 b8 [/ R, C- b
ipv4.dad-timeout: -1 (default)& E1 c+ q& \$ R& o h* M
ipv6.method: auto* t; H H$ i2 L1 l4 n# o
ipv6.dns: --
# n. l$ ~& n( y$ F" l6 _ipv6.dns-search: --
- D4 \- E6 J, C9 ^/ ?2 M9 Kipv6.dns-options: --
8 [" b, n7 p r. H3 kipv6.dns-priority: 0
8 F6 L, p$ T" Q q' }5 W* tipv6.addresses: --% F6 {6 z* |4 a9 t Y8 A
ipv6.gateway: --' P `" S6 s% |. t. e
ipv6.routes: --
6 i7 Y' C* e7 C7 Z5 \+ D+ z& Hipv6.route-metric: -1. d+ ~5 J u7 r- y
ipv6.route-table: 0 (unspec)# g4 c6 c) y6 Q7 w; t6 T, B
ipv6.routing-rules: --+ e6 B r1 V; Z J8 j; H
ipv6.ignore-auto-routes: no
& s& [, X4 |5 X5 \5 xipv6.ignore-auto-dns: no
8 t7 f% ?2 O! [& a2 Yipv6.never-default: no9 b+ C6 @3 }8 w: P* A8 N! g8 l1 ^/ q
ipv6.may-fail: yes
& S$ `5 w& @9 j X' sipv6.ip6-privacy: -1 (unknown)
2 b" K9 A( X- P& J4 R- p$ w: Bipv6.addr-gen-mode: stable-privacy+ O! [3 u. F4 C. b& w0 h# e$ I
ipv6.ra-timeout: 0 (default)9 F4 i& P4 Y1 x8 q
ipv6.dhcp-duid: --
9 o& T. F2 l* @ipv6.dhcp-iaid: --9 i1 R4 @5 t- j4 L
ipv6.dhcp-timeout: 0 (default)
8 r# I$ s0 C4 _6 F5 D# v* o; H2 `9 t* ?ipv6.dhcp-send-hostname: yes& v- U0 I) U; a' U! L7 P, Z& H
ipv6.dhcp-hostname: --
0 V N! |- [8 Q" o$ b+ X& K( k; ?ipv6.dhcp-hostname-flags: 0x0 (none)
) g4 E* z6 C6 M' Y! B8 T2 ripv6.token: --' b+ y4 `/ i- h" a+ m
proxy.method: none4 |6 _' M% y& I0 N
proxy.browser-only: no
' ]; }& ~. O0 [$ Y9 l8 V7 `6 _proxy.pac-url: --0 f6 e0 ?* O. `% d1 Y
proxy.pac-script: --
" P" w* V0 l+ g, N; G r+ o4 _GENERAL.NAME: enp9s0f0/ N% @2 G+ C* g) v
GENERAL.UUID: 24cd33cc-8a9c-43fb-a817-3168b5eaf84e3 y( L, }4 b; o# b1 b8 J4 _! d
GENERAL.DEVICES: enp9s0f0
+ ]. [% e6 G7 [. g& {: h% W% z. z7 uGENERAL.IP-IFACE: enp9s0f05 `, h; ^# J' W5 c
GENERAL.STATE: activated
% w/ J' D/ b% K1 g) J; G& g0 U3 ^6 k2 BGENERAL.DEFAULT: yes
9 m5 n7 t2 m6 q/ d: nGENERAL.DEFAULT6: no; I8 L+ w6 Q! I7 M5 @
GENERAL.SPEC-OBJECT: --
. n! p( r( G! R: Z5 DGENERAL.VPN: no
) G& C4 i: N/ V) V2 ^2 q' MGENERAL.DBUS-PATH: /org/freedesktop/NetworkManager/ActiveConnection/4
% F7 L# e0 P& c7 A! KGENERAL.CON-PATH: /org/freedesktop/NetworkManager/Settings/40 f" V5 \( F' i
GENERAL.ZONE: --) m' r2 q% X, p) `) w- j
GENERAL.MASTER-PATH: --
- G6 `. H4 U# D0 F1 P, d7 ]: k- H4 lIP4.ADDRESS[1]: 192.168.7.10/24
7 s! N8 B! |: a) aIP4.GATEWAY: 192.168.7.1
. {. e, k8 A/ N! I8 OIP4.ROUTE[1]: dst = 0.0.0.0/0, nh = 192.168.7.1, mt = 100" J7 b3 u0 h; A- W5 _
IP4.ROUTE[2]: dst = 192.168.7.0/24, nh = 0.0.0.0, mt = 100; H: c; _* L! B/ g2 A
IP4.DNS[1]: 61.139.2.69
4 ~, H- i* F8 `) G4 vIP4.DNS[2]: 218.6.200.139
/ u3 a# z. A; i/ ~$ ^) ]' NDHCP4.OPTION[1]: dhcp_lease_time = 72006 G7 Z" h* g" U# Q1 ~
DHCP4.OPTION[2]: domain_name_servers = 61.139.2.69 218.6.200.139, q5 L; j/ h" X. I
DHCP4.OPTION[3]: expiry = 1599458240( P. \) _; J& Z1 f( R
DHCP4.OPTION[4]: ip_address = 192.168.7.108 j% S* z; o$ D
DHCP4.OPTION[5]: requested_broadcast_address = 1# J4 t3 k e( @0 b
DHCP4.OPTION[6]: requested_domain_name = 1
8 S' M4 n: t+ gDHCP4.OPTION[7]: requested_domain_name_servers = 12 e# x$ ]/ t. s6 ?
DHCP4.OPTION[8]: requested_domain_search = 18 }) E/ |* ]: I" d
DHCP4.OPTION[9]: requested_host_name = 1) K& n1 M+ m& M6 K) K @) T, o( B
DHCP4.OPTION[10]: requested_interface_mtu = 10 T j- g$ [2 w& a. B
DHCP4.OPTION[11]: requested_ms_classless_static_routes = 13 T' x& F/ n5 @# k- t9 R9 w
DHCP4.OPTION[12]: requested_nis_domain = 18 m0 w4 v1 }0 x- y7 x
DHCP4.OPTION[13]: requested_nis_servers = 10 d3 A4 F! T7 L# j, x0 R
DHCP4.OPTION[14]: requested_ntp_servers = 1
6 I5 Y: N6 j* Y% @/ g# N oDHCP4.OPTION[15]: requested_rfc3442_classless_static_routes = 1* m2 c% s L( g2 p
DHCP4.OPTION[16]: requested_root_path = 1; g# Q- [0 G }
DHCP4.OPTION[17]: requested_routers = 1
7 L7 l$ h9 e1 L* L8 CDHCP4.OPTION[18]: requested_static_routes = 1- k( G* K/ ` m( ~. F8 S' t C
DHCP4.OPTION[19]: requested_subnet_mask = 1
0 l/ M( b3 [/ p% }2 _DHCP4.OPTION[20]: requested_time_offset = 1, ~/ \. C9 B# b) ]
DHCP4.OPTION[21]: requested_wpad = 1
5 o6 ]6 V& K; Q2 C6 |. X1 bDHCP4.OPTION[22]: routers = 192.168.7.13 u6 i$ ^6 h) \, h/ z
DHCP4.OPTION[23]: subnet_mask = 255.255.255.0+ v% B+ V9 G3 _9 l0 I3 L
IP6.ADDRESS[1]: fe80::691e:3557:301a:56b8/64
5 b- Y& V- R4 @5 \$ z4 u$ CIP6.GATEWAY: --7 E( v9 E/ B; v
IP6.ROUTE[1]: dst = fe80::/64, nh = ::, mt = 1005 \1 r2 N- @# F# l2 M3 q- }
IP6.ROUTE[2]: dst = ff00::/8, nh = ::, mt = 256, table=255
) J- X' m' ]; x! `; i* @# V7 W: w q5 Z! a4 T' d7 }- ~
, ~2 X( X/ Y- Z, \
查看所有活动连接：$ S7 {/ [( s: I3 g7 O
* P* a+ M6 X1 A6 _0 g2 S! b e4 {
[root@localhost ~]# nmcli connection show --active
4 {% r! ]5 C# o7 u5 y6 v" ]NAME UUID TYPE DEVICE
7 H6 j, K$ g) O& `& m7 T8 D6 Q& ~. penp9s0f0 24cd33cc-8a9c-43fb-a817-3168b5eaf84e ethernet enp9s0f0 + t! @) S2 y) A! @+ v# f
' t$ m V5 Q( x. Q- r
0 J$ ~8 |! K: k5 B启动命令：
; t% _% D5 A! K[root@localhost ~]# nmcli connection up enp9s0f0
& ^! I: L5 p5 i+ {3 uConnection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/5): W3 c; D% g) w4 L6 v
) @" {1 `, t% h4 P0 i
停止命令：# o- \$ t1 p% Z- }6 X5 y
. A% d. W) o K& j
1 Y7 k5 e7 z; ^( p9 A[root@localhost ~]# nmcli device disconnect enp9s0f1
& Q2 W+ Q2 ^4 a+ a3 D* VError: Device 'enp9s0f1' (/org/freedesktop/NetworkManager/Devices/5) disconnecting failed: This device is not active
+ \, o6 p9 f& d4 u( w* q: jError: not all devices disconnected.- _: k* h, F+ I+ r
; }. z$ k! w1 x& o5 I
重启命令：! u- D" N$ G }. k4 |, N6 O6 l
[root@localhost ~]# nmcli connection reload
5 y3 S& F V- A; X+ R, l+ J C# ~( w5 q& `- [, S9 X" A
添加一个网卡连接 . G1 O* }4 U, z7 g, f* J6 {/ L
注：配置文件目录：/etc/sysconfig/network-scripts/* ，添加配置时，自动生成网卡配置文件eth0 nmcli connection add type ethernet con-name eth0 ifname eno33554992
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