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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
( g2 x, {2 G  W1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000! F" H/ G" g4 v) ]" x
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
( Q: t8 q8 N# E9 [% T" q    inet 127.0.0.1/8 scope host lo
7 R; `, S5 u- c3 X  u       valid_lft forever preferred_lft forever
2 ?& S2 J- J! L7 Q    inet6 ::1/128 scope host . s, [) r4 q# \# a
       valid_lft forever preferred_lft forever
6 V* |* }; x9 b4 J1 ^2: ens33: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master bond0 state UP group default qlen 1000- V* [& t' W3 A  K; ?1 M3 v
    link/ether 00:50:56:ac:98:20 brd ff:ff:ff:ff:ff:ff) @, h2 N% @7 B$ z9 I* p
    altname enp2s1/ E; D% ^( P1 i7 U" x
3: bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
. ?1 @" F/ ~6 R( x2 d    link/ether 00:50:56:ac:98:20 brd ff:ff:ff:ff:ff:ff
+ L: W" ]& e5 ^! K3 W    inet 192.18.6.65/24 brd 192.168.16.255 scope global noprefixroute bond0  x. s+ d" h8 A7 Q
       valid_lft forever preferred_lft forever
) M$ C; B/ O5 ^1 \& [* v' I    inet6 fe80::357a:d0f2:a01b:6313/64 scope link noprefixroute ' Q* M* Q& `% W6 l8 J
       valid_lft forever preferred_lft forever5 [' z8 S: B7 H
5: bond0.2: <NO-CARRIER,BROADCAST,MULTICAST,MASTER,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
% t5 o( V+ s% k" o3 g    link/ether f2:90:b9:c8:67:90 brd ff:ff:ff:ff:ff:ff) y+ Y' K( U  r
    inet 192.18.11.3/24 brd 192.168.11.255 scope global noprefixroute bond0.2) B) X+ @5 v& f/ Q. D
       valid_lft forever preferred_lft forever
: e9 S) [  O2 j[root@localhost ~]# ls
* x2 I6 T0 `0 i. }, v+ Yanaconda-ks.cfg2 \5 c) z; n4 b
[root@localhost ~]# cd /etc/NetworkManager/system-connections/
5 H& _- L5 _( p" Y$ J4 _, t: X. {[root@localhost system-connections]# ls
% o& D/ v* [$ A( }bond0.2.nmconnection  bond0.nmconnection  ens33.nmconnection; \! }' i/ g9 I2 a
[root@localhost system-connections]# cat bond0.2.nmconnection
  M% i1 T: v; A, W2 Q3 p$ c[connection]
$ g/ K+ f- [$ s0 sid=bond0.2
5 `% K" G1 X4 ctype=bond
( U/ l. S3 A/ s# f& Einterface-name=bond0.2/ h3 e+ D6 \8 p2 @1 t0 d- f
5 q* q% Y) j0 q$ D0 a+ L' j' Z
[bond]
! W) R2 E+ m: K9 Jdowndelay=0
  g2 [9 L6 T) p; _6 g; m" V. Amiimon=100+ w, ?0 ~! Y- u: Z" `, [' ?7 O4 e/ A
mode=active-backup; N' b$ `9 j' V' r+ ~6 z
primary=bond0
% X% w  r7 m  \3 gupdelay=01 q+ u2 ~4 o; A
4 ?2 @3 ~- P8 b0 Z/ l
[ethernet]
0 S0 X4 i5 v7 o0 W9 h' E7 S( U) I  \0 Q& W) {3 Q
[ipv4]' r$ K& D7 O4 ]
address1=192.18.11.3+ a0 a/ C' ?' q: ?* d
method=manual+ S, `$ p) B9 Z8 C% j2 e! \+ W% ]

# h+ W* [- \' Q$ y8 M% r[root@localhost system-connections]# cat bond0.9 G5 c( b% e% b+ p
bond0.2.nmconnection  bond0.nmconnection   
# O  c7 l' ]! \: l/ O[root@localhost system-connections]# cat bond0.nmconnection
: V( s& x) c0 @" R[connection]- W3 ?( A' e! H7 i# D
id=bond0& l. ~' v! U; [2 ?2 x7 d
type=bond# M2 y9 c2 _% X4 i. F
interface-name=bond0
% A* F1 A+ F* G: L6 W) Y! k1 F; v) Z6 d4 X: A1 D. Y2 Z
[bond]
/ `8 @; Q- Z  _6 l) b( R+ odowndelay=0
+ v$ @! J7 O" s0 p* V" Q9 amiimon=100% g9 C# U, ^1 A  F4 I  M* Y
mode=active-backup
0 ~- U9 y$ q2 q# S/ Jprimary=ens336 Y$ w4 m& m% S
updelay=01 c) Y$ u; v" [! @( Q& N, _1 |

+ I2 L4 ~# A2 g7 Q% s2 N- I[ethernet]8 H, I# U6 d/ X% U  g

) M" i. Z/ s' k1 L$ B( j% P5 M[ipv4]+ `3 Q% L2 S5 {0 w, F+ V
address1=192.18.6.65/24
) a9 C: V& k" J% D2 l5 T8 `+ Kdns=21.17.96.205;13.21.23.100;) i( I- K; P  `1 c# {& d
gateway=192.18.6.17 u. l0 h! \2 _  f
method=manual
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