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centos stream9 网卡配置dns以及bond和bond的子接口,练习过程

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网卡子接口。[root@localhost ~]# ip addr
$ n* l( j, _2 @; D8 |8 i7 }1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
5 {+ c# Y& D$ O& K; a    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00' m. s2 @# y4 I8 O! e
    inet 127.0.0.1/8 scope host lo
6 m+ Q8 {$ u7 z5 W- w       valid_lft forever preferred_lft forever
1 x/ W7 S, V0 Z7 J& s    inet6 ::1/128 scope host 5 x  `8 P( m% P8 o6 m7 n
       valid_lft forever preferred_lft forever/ m, |9 d" b  ?- B* B( C% Z/ i
2: ens33: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond0 state UP group default qlen 10008 b; d! [+ `$ k
    link/ether 00:50:56:ac:98:20 brd ff:ff:ff:ff:ff:ff! g9 N- `# ]- B9 u# R( k  f
    altname enp2s1
$ r) D# |4 _1 u% T4 K0 ^, d7 b0 s3: bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000" a& t1 v4 K& n9 V$ V
    link/ether 00:50:56:ac:98:20 brd ff:ff:ff:ff:ff:ff
' o( S% H  w  f4 Y    inet 192.18.6.65/24 brd 192.168.16.255 scope global noprefixroute bond0
3 B4 \# X% B8 J. H7 y& Q       valid_lft forever preferred_lft forever$ Y  {# a3 u0 X* b
    inet6 fe80::357a:d0f2:a01b:6313/64 scope link noprefixroute
& P7 u% E6 c/ [       valid_lft forever preferred_lft forever
3 `, M9 t, i' C3 P$ ^5: bond0.2: <NO-CARRIER,BROADCAST,MULTICAST,MASTER,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
' `1 W: k7 |  U8 @    link/ether f2:90:b9:c8:67:90 brd ff:ff:ff:ff:ff:ff
3 H; C/ A8 t$ V' q3 ^    inet 192.18.11.3/24 brd 192.168.11.255 scope global noprefixroute bond0.2) o" n/ P5 O; g8 Q6 U/ f' w2 a
       valid_lft forever preferred_lft forever) t+ S. P5 L" J& I6 r% i
[root@localhost ~]# ls
6 L4 U; D$ O4 Qanaconda-ks.cfg% k0 R- s: R$ C# a6 p
[root@localhost ~]# cd /etc/NetworkManager/system-connections/8 l0 ~/ K6 b0 N
[root@localhost system-connections]# ls
: t6 q7 `4 h9 d& _" N) F6 vbond0.2.nmconnection  bond0.nmconnection  ens33.nmconnection
6 B* X9 \! G! Q+ {7 O  q3 I& c  {[root@localhost system-connections]# cat bond0.2.nmconnection ( `. d# v" B2 P5 Y( y; Z" H
[connection]* d8 U; M1 ^2 V. M4 Z; J1 H
id=bond0.2
7 l8 T+ q6 A( k( a3 atype=bond
3 a( ?- Z3 q6 m5 ^interface-name=bond0.2
; {/ Z9 q) T/ z9 ^' b# D: s8 ?' X, O9 T3 s8 v# |3 Q/ c/ n0 Q" F
[bond]
: e5 U( Q3 E* z7 L( I- Y+ Z6 pdowndelay=0. u/ s" d. X! ], M! l& {6 z0 K
miimon=100
- u8 }/ D6 h+ C# H6 t3 u  s5 l# vmode=active-backup; O$ j. ?# t7 E  H
primary=bond0
8 O% u1 D+ ^- \8 O3 ~0 K$ hupdelay=0
! F+ Y1 c4 t3 E6 _7 v- h; {. C6 W
" `& W+ F# T5 o; u[ethernet]) L4 Q, ^& @- C6 d
2 J# ]0 l# t- ~/ T7 N& ?, y
[ipv4]
" @8 H' Y* ^. l1 ?8 N7 Taddress1=192.18.11.3
- M! K1 a6 T& C( p6 L. pmethod=manual
, s2 a- K2 X- s8 ]/ r- e, V' @* o2 h6 g) o
[root@localhost system-connections]# cat bond0.# R% O' \5 L, Y/ E5 ^, z& R7 c2 o
bond0.2.nmconnection  bond0.nmconnection    2 [3 y4 `5 N5 E3 M7 S8 |
[root@localhost system-connections]# cat bond0.nmconnection : f; A9 g: S4 W! N9 ]: [
[connection]
9 V1 ~7 ?9 P# l2 Hid=bond0! t/ w0 a8 Y9 [. V3 j+ S" N
type=bond
8 R/ s6 }; _, W3 ?( s' {interface-name=bond0
  K& M/ r$ S2 q) |! \! E) }; \9 h0 t1 K6 }- N# B
[bond]
, ?: Z8 \& w* O+ e) }) `4 xdowndelay=0
% ?5 S2 N5 }7 y$ |, {6 s) |miimon=1006 ]- ~; w4 B6 C2 y9 ]3 [  R
mode=active-backup
9 p1 f! h$ Y) p+ F4 `+ R! fprimary=ens33
+ e& B; D3 }/ uupdelay=0
- z, X% z0 V7 _/ U: o" Y) k( T; Z1 [5 C
[ethernet]- L3 ~2 S  l; w) t
6 q' c  b" {. R' j
[ipv4]
9 O1 T" {& O8 X+ ]. f( saddress1=192.18.6.65/248 V& {& p; |+ O. O0 m* {% X, |8 F
dns=21.17.96.205;13.21.23.100;
/ n9 _! J; b8 z0 \( @$ Ggateway=192.18.6.18 s) o+ ?7 M( x# \
method=manual
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