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易陆发现论坛»论坛 › 操作系统区 › 非桌面系统 › Ubuntu系统 › ubuntu 系统配置网卡，直接networking restart失败。使 ...
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ubuntu 系统配置网卡，直接networking restart失败。使用ifup interface 才生效

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发表于 2022-1-12 11:27:15 | 显示全部楼层 |阅读模式
root@controller:~# vim /etc/network/interfaces
. y% |9 B# s0 F- a1 }8 Z8 {interfaces    interfaces.d/
' L& q8 V' t6 n9 j( `0 Zroot@controller:~# vim /etc/network/interfaces( ^6 C% o8 u9 b
root@controller:~# service networking restart8 A; h( I  f* c/ h" ^  `1 e) m
stop: Job failed while stopping2 R# b! E! G: A1 H
start: Job is already running: networking6 F% ~) [" L' z' i
root@controller:~# ip addr& B4 U0 q$ K8 O% w2 u: @
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 2 D# m! Y, G7 ]; C8 N3 ]9 \# ?
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
! r/ q1 S& y: r2 P" }    inet 127.0.0.1/8 scope host lo
- {$ a' D% }9 o5 y6 R; U       valid_lft forever preferred_lft forever
$ W6 ?/ q/ [+ M" ~    inet6 ::1/128 scope host * Z1 |7 }! u4 B$ c0 `
       valid_lft forever preferred_lft forever: _8 }2 Q- V) a% ~8 M0 C$ s6 J
2: eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
; Q4 d4 N" [! U    link/ether 00:0c:29:8c:59:8c brd ff:ff:ff:ff:ff:ff
  N( H, \6 c% K9 t3 K4 t3: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
- Y7 r. s: H: W2 N    link/ether 00:0c:29:8c:59:96 brd ff:ff:ff:ff:ff:ff* x( f( C  ?# [3 a" m
4: eth2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
) I  V1 L- B6 r; \7 s    link/ether 00:0c:29:8c:59:a0 brd ff:ff:ff:ff:ff:ff7 Q4 H: T! L7 v5 v2 V- q. ^: x
5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 10006 h6 D& [" |1 P' B! k: p5 f
    link/ether 00:0c:29:8c:59:aa brd ff:ff:ff:ff:ff:ff$ O; n; P8 z6 N- l- I
    inet 192.168.13.3/24 brd 192.168.13.255 scope global eth3
$ |' W1 ^2 D0 {: x4 ~( k% g; ~' X! g       valid_lft forever preferred_lft forever
& a1 K0 `- P$ w- ?# U" p: W7 u    inet6 fe80::20c:29ff:fe8c:59aa/64 scope link
, {$ D, Z+ n2 c( J: p3 t0 a       valid_lft forever preferred_lft forever
5 ^2 `& ^+ A/ {) G3 n2 Groot@controller:~# /etc/init5 Y  _" S/ m$ ?
init/            init.d/          initramfs-tools/ * }* S% {' c% [
root@controller:~# /etc/init.d/networking restart
7 c/ U- \* |, N: B) H% I$ Lroot@controller:~# ip addr
" Q- C; t3 z  _# C7 }1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default % ?" M0 z6 V; R$ R& P& B) L0 h
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:003 e% ^/ v7 j( y0 V
    inet 127.0.0.1/8 scope host lo; s6 g, U, S5 }5 x3 `8 b
       valid_lft forever preferred_lft forever; M  W: e  }' K8 ^9 q! w
    inet6 ::1/128 scope host
/ `6 \( G; H+ z, O       valid_lft forever preferred_lft forever" T; n' A# V9 o0 I9 r
2: eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
* E4 z/ W* |7 R    link/ether 00:0c:29:8c:59:8c brd ff:ff:ff:ff:ff:ff
  h5 U2 a, I9 j0 {. x3 p% O1 V3: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000) p3 z: A  y: ?
    link/ether 00:0c:29:8c:59:96 brd ff:ff:ff:ff:ff:ff5 a( f* @) Q. ]  J' g+ P9 q
4: eth2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
; [1 O: d9 H8 b* j    link/ether 00:0c:29:8c:59:a0 brd ff:ff:ff:ff:ff:ff) B" }9 U6 Q6 v  S) {' B8 v/ v6 n
5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
9 r/ n5 A+ F# q8 r+ W3 E0 B    link/ether 00:0c:29:8c:59:aa brd ff:ff:ff:ff:ff:ff
& V- v) B  p: M    inet 192.168.13.3/24 brd 192.168.13.255 scope global eth3
( F4 h/ X& v* C) X: g: j  s  D6 A       valid_lft forever preferred_lft forever5 E( d2 ^) s! j* o4 p+ P' ~; V  D
    inet6 fe80::20c:29ff:fe8c:59aa/64 scope link
7 Z# Y4 {& O1 l  i+ y% R       valid_lft forever preferred_lft forever" o9 e3 l6 J, B
root@controller:~# ifup eth08 u* [- Y5 w! Q: e6 ~% w: ~. u8 v( ?2 R! t
Internet Systems Consortium DHCP Client 4.2.4
, {5 i% U# T" q- `3 QCopyright 2004-2012 Internet Systems Consortium.9 }) O' Y1 \) n! D. }
All rights reserved.* f) {1 h# U+ d5 o3 a
For info, please visit https://www.isc.org/software/dhcp/; \3 a- C8 N% [1 Y0 d- D( g
Listening on LPF/eth0/00:0c:29:8c:59:8c
2 ^# v! \2 u3 U4 ]: _& l$ r* `$ HSending on   LPF/eth0/00:0c:29:8c:59:8c; `( O/ k: u9 o  Q9 N
Sending on   Socket/fallback3 U: w& y& I, v2 ^
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 3 (xid=0xeb67d11f)7 z# B6 J' R& I$ k. J; D# `. j( L
7 T- C0 T7 k9 J3 _6 L) Q$ Q
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 3 (xid=0xeb67d11f)8 v( {& N+ v& F
2 \% n  L+ Y9 e1 L" S6 |

3 V9 R# L+ ^) ~8 ]/ x3 M, j- gDHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 8 (xid=0xeb67d11f)' K8 {. a. U7 }5 g3 R! W$ D
# w! ], D; B5 k1 b

0 r" N5 G1 G9 ]7 a: [& troot@controller:~# ip addr2 K" F, X2 P9 @" W2 ]
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default - G, c: m3 S4 b4 w) |
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
0 R% J( L/ o$ G1 T    inet 127.0.0.1/8 scope host lo" r# y8 X9 b& {+ y7 I0 [
       valid_lft forever preferred_lft forever
2 h) `* ?* Y8 E7 ?, d; M6 |    inet6 ::1/128 scope host , p2 O! `, Q+ \9 C
       valid_lft forever preferred_lft forever
# T# g* [4 x% N; w1 R* y2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
( ^" w+ x& O) [% y    link/ether 00:0c:29:8c:59:8c brd ff:ff:ff:ff:ff:ff* n2 u1 d" ~! g6 ]' \
    inet6 fe80::20c:29ff:fe8c:598c/64 scope link ) |% p  a$ J, ?- Z5 Z3 {* ]
       valid_lft forever preferred_lft forever
; o  h: [  M( u% G9 q3: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 10005 |$ g" l+ `4 |5 x
    link/ether 00:0c:29:8c:59:96 brd ff:ff:ff:ff:ff:ff
4 Y9 }1 T. N+ p* [( ~) c4: eth2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
$ m; N' T6 `8 T( s' I    link/ether 00:0c:29:8c:59:a0 brd ff:ff:ff:ff:ff:ff9 s+ b2 e5 y% k2 G" C( E3 j2 l$ d
5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000. G# b; x  H8 D# W) ]9 A4 P: U
    link/ether 00:0c:29:8c:59:aa brd ff:ff:ff:ff:ff:ff
0 a3 t  @" ]# f! I" b1 N: l1 ~    inet 192.168.13.3/24 brd 192.168.13.255 scope global eth36 q6 y9 e+ Z& Z8 z
       valid_lft forever preferred_lft forever
) ]$ h* M6 E) {( |4 D$ [. e    inet6 fe80::20c:29ff:fe8c:59aa/64 scope link # v5 |6 U% H4 L) m/ h
       valid_lft forever preferred_lft forever, w3 c5 t! e$ B( r0 K) T7 J
root@controller:~# ifup eth1* v; _( a4 C" v
Internet Systems Consortium DHCP Client 4.2.4
/ ~8 U) m! a" T* k; N: xCopyright 2004-2012 Internet Systems Consortium.; o2 e+ D5 J8 B, w$ L, X7 `
All rights reserved.1 c0 y4 }0 O' o/ y
For info, please visit https://www.isc.org/software/dhcp/8 T2 f3 B8 r2 W* T9 D( N
Listening on LPF/eth1/00:0c:29:8c:59:96- k5 b  C% ?- x( u& A
Sending on   LPF/eth1/00:0c:29:8c:59:96
: ?/ L- L1 a" l+ q* B0 b1 mSending on   Socket/fallback  z7 _. n% u/ T' e. n0 t" Q5 i3 E/ p7 S* |
DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 3 (xid=0x21870d6a)- j% Y* p2 L( m
DHCPREQUEST of 171.10.91.128 on eth1 to 255.255.255.255 port 67 (xid=0x6a0d8721)
& p' u) N7 }) a4 N  O% J5 b$ GDHCPOFFER of 171.10.91.128 from 171.10.91.254
5 t" A( O8 Q3 a: g8 }( P% a+ WDHCPACK of 171.10.91.128 from 171.10.91.254$ d6 ^1 r. l# B' ~3 I
bound to 171.10.91.128 -- renewal in 899 seconds.
. Y! k# X) B: r3 z6 y& E. y* @" Xroot@controller:~# ( `1 ^2 Y# O+ u% z
root@controller:~#
' {/ f% J! T4 ^; n+ ~root@controller:~# $ X9 S0 ?* c. r" r6 ]
root@controller:~# ifup eth0' f7 M4 s; E; o
ifup: interface eth0 already configured
) a- J4 a4 W$ E  s6 F& Nroot@controller:~# ifup eth2& t% j: J1 c" j& w+ q
Internet Systems Consortium DHCP Client 4.2.46 B3 @* H# h" ^
Copyright 2004-2012 Internet Systems Consortium.
: v8 o( W- k0 F5 V5 ]$ Q3 c; mAll rights reserved.) u8 h1 I* G' S! m% p" A
For info, please visit https://www.isc.org/software/dhcp/$ Y. D  Y! J$ T& a5 e3 T# x
Listening on LPF/eth2/00:0c:29:8c:59:a0
, {. i8 p6 w# FSending on   LPF/eth2/00:0c:29:8c:59:a03 f: p8 X+ G0 @. E0 M* u( K
Sending on   Socket/fallback
4 H/ U. U- ^8 Q% }0 C% _# _2 aDHCPDISCOVER on eth2 to 255.255.255.255 port 67 interval 3 (xid=0x685a54b)
3 f9 E: u1 T6 `2 B  N2 U# T7 BDHCPREQUEST of 162.96.90.128 on eth2 to 255.255.255.255 port 67 (xid=0x4ba58506)
2 i% W& S+ q7 d' H- }& NDHCPOFFER of 162.96.90.128 from 162.96.90.254
# G4 W0 [. }/ {0 Q/ z, dDHCPACK of 162.96.90.128 from 162.96.90.254% t9 i! g; f" G
bound to 162.96.90.128 -- renewal in 823 seconds./ o; ?  W# j' Q& a1 r
root@controller:~# ip addr" a. F7 ^+ |5 R0 f0 W$ \* }6 s- M
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default
$ I$ W" q/ ^6 _! o5 E4 g  \% v    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
' T) m/ |% C6 \" m    inet 127.0.0.1/8 scope host lo
3 C9 m% y. A) Z0 U% M       valid_lft forever preferred_lft forever
' d1 C& }) y9 {, ~: ]! ^. T) m# J  T    inet6 ::1/128 scope host 5 l( O% T' t7 o  v) I
       valid_lft forever preferred_lft forever& Q  @4 s. Q  p' i
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
7 O, F  t* d$ P/ M+ a: P    link/ether 00:0c:29:8c:59:8c brd ff:ff:ff:ff:ff:ff! p: x! o% D% r& o# {
    inet6 fe80::20c:29ff:fe8c:598c/64 scope link ; c$ v. @  h( @! a
       valid_lft forever preferred_lft forever; ?3 ?2 c0 J6 @
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
8 U4 j" [* g7 K* @    link/ether 00:0c:29:8c:59:96 brd ff:ff:ff:ff:ff:ff
9 ]+ s7 Y% f- l- H# Q8 p  h    inet 171.10.91.128/24 brd 171.10.91.255 scope global eth1
. ~3 Q! P% @; ^6 J       valid_lft forever preferred_lft forever! U& X8 u; K4 i& d: I0 [
    inet6 fe80::20c:29ff:fe8c:5996/64 scope link
+ j& g8 t0 a* V9 U$ s* P2 U       valid_lft forever preferred_lft forever
2 F- w: R8 {5 M) }! O2 }4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
. l  L6 |) u( Y4 m3 @    link/ether 00:0c:29:8c:59:a0 brd ff:ff:ff:ff:ff:ff
7 m( j4 \" l! ^( G' K1 S* k    inet 162.96.90.128/24 brd 162.96.90.255 scope global eth2; ~4 B. D) }! U9 j
       valid_lft forever preferred_lft forever6 U8 I  _8 h3 z2 q2 R9 d
    inet6 fe80::20c:29ff:fe8c:59a0/64 scope link
3 H1 F# V- a. E       valid_lft forever preferred_lft forever/ K. X! V* f2 p  B
5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 10007 ?) p- P- C# ~2 [/ P
    link/ether 00:0c:29:8c:59:aa brd ff:ff:ff:ff:ff:ff9 ]5 N1 f3 x4 z& m: r; G) G8 \
    inet 192.168.13.3/24 brd 192.168.13.255 scope global eth3( Y5 v& \5 f; `
       valid_lft forever preferred_lft forever$ r3 e5 K% D1 O* D' Y2 u; S: R
    inet6 fe80::20c:29ff:fe8c:59aa/64 scope link
+ n( \( Z& F1 w& {8 \3 r& Y/ J: a       valid_lft forever preferred_lft forever. N( O/ k- q4 v1 ]' X
root@controller:~# reboot: Y5 R# E1 k: L# A# t1 R8 ~
root@controller:~#
5 d1 P/ c, h4 y+ f% P8 z; uBroadcast message from root@controller
) H7 {# ~% p" k* b/ O% @' U7 ^/ W (/dev/pts/0) at 11:25 .../ I) h; o6 B% s& M6 q1 }
The system is going down for reboot NOW!! F) F5 }4 q; M

6 u2 C8 F* h( M/ s( m0 v
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 楼主| 发表于 2022-1-12 11:28:47 | 显示全部楼层
Ubuntu14.04修改配置，重启网卡没有生效，出现如下问题：& g0 N3 }% ?7 w; \9 @" a; G

3 x2 n* v7 ?; b9 ?4 v+ y# cat /etc/issue8 ?. x2 i0 H, H8 S( L) t0 m. E9 Q
Ubuntu 14.04 LTS \n \l
/ w( [4 d7 C( Z3 B6 e# service  networking restart( ]* D) x2 E0 Z6 s5 b8 C) j
stop: Job failed while stopping
, o$ T% e2 L5 z) h& bstart: Job is already running: networking6 S0 O  o5 n! _5 z! q2 f" E7 C7 O
# tail -f /var/log/upstart/networking.log- D' ?' J# R" l3 Y
Stopping or restarting the networking job is not supported.
- m+ h( W1 Z  i, o1 \Use ifdown & ifup to reconfigure desired interface.
7 z- y1 l! {. Y5 l/ b% T( [从以上日志内容可以看出，传统的service重启和停止网络已经不再支持了，需要通过使用ifdown & ifup来实现相应的操作。
& ^. @- f1 G# G! R. b( M% ?3 ^: g6 B! k* {# }1 J
重启指定网卡+ g' J6 y3 U1 c: S
# ifdown eth0 && ifup eth0
3 Y+ q$ W3 D6 t/ K' Y( |重启除lo网卡的所有网卡% g0 H. \. F) C
# ifdown --exclude=lo -a && sudo ifup --exclude=lo -a
2 w6 `+ ]* X- E/ R配置桥接
% s7 e! j0 g8 {# apt-get install bridge-utils
6 n& G$ |5 I! x; i# cat /etc/network/interfaces5 ]) k$ M$ C/ {' u* o: c; y% ]9 l
auto lo' K7 _9 h2 u" K( Z) g* m9 K
iface lo inet loopback% T! f5 [6 v  O
5 I5 e  @5 B- E
auto eth0
3 l' |8 m0 g) [0 H; y( oiface eth0 inet manual1 K3 G" H3 }% C. Q* b3 Y" |
# M% l, x) V, B# ]8 J. b
auto br0. v2 q1 I1 [! m" ~
iface br0 inet static
8 i4 g1 Q7 Z# i9 j' A: _address 192.168.0.10
: C. i% Q0 ~3 a4 g7 Inetmask 255.255.255.0
8 S9 a5 z% O2 @, u& Q) c0 @gateway 192.168.0.1, I: t. f) u2 S+ E( [
bridge_ports eth09 n( v2 N" M4 Y: [/ \4 m
bridge_stp off1 f2 |* C- Q* a8 n; ]8 z; |
bridge_fd 00 U7 t# J) |* P3 g
bridge_maxwait 0
9 Q) Y- ^' u" \! s  l2 z6 U# _8 pdns-nameservers 192.168.0.19 _3 s6 n: Z6 Y# g8 o' `7 F- M
# ifup br0+ A$ m# Z2 t% L+ q# `
# brctl  show
( c4 @0 F% W* T1 F$ V0 N' q" Vbridge name   bridge id       STP enabled interfaces; p0 j! n0 x' m- b" X
br0       8000.02000a0080e1   no      eth0
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 楼主| 发表于 2022-1-12 11:32:22 | 显示全部楼层
root@controller:~# vim /etc/network/interfaces; s7 i, F( w% y7 p
auto eth36 W7 ~7 W. H! L, E" i# j
iface eth3 inet static
' j9 Z+ M! j& A* uaddress 192.168.13.155
, Y& v- l* B2 z2 ~" Vnetmask 255.255.255.0! {6 T5 P$ _7 [  b; u* [# J* Q5 }
gateway 192.168.13.2& I2 Q2 U; k# i" \0 W0 w" H
dns-nameservers 114.114.114.114
# l2 p/ W  m6 k) t3 V' l
5 f$ \8 H/ e0 Z, o2 g% d5 [保存退出，重新启动网卡：
# j1 J6 d* G4 r# @9 g( w# Bifdown eth3 && ifup eth3 &
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 楼主| 发表于 2022-1-12 11:44:03 | 显示全部楼层
root@controller:~# vim /etc/network/interfaces
: W) ]3 `9 A7 I& ^+ L+ R7 T# sroot@controller:~# ifdown eth1 eth25 n- p& {. b; N" g: i
root@controller:~# ip addr! S" D, S! L5 S2 V+ n9 j; o& F
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 1 `. }# B  z+ Q- }& L; L; F
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:006 p* B; |+ N0 ?3 j
    inet 127.0.0.1/8 scope host lo; K: {- S5 i6 z6 y
       valid_lft forever preferred_lft forever/ P: H' c8 g; H8 \- P, k
    inet6 ::1/128 scope host
9 n4 L4 h# _5 L* P0 T       valid_lft forever preferred_lft forever
" q# {( a, X( j2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000; h8 L. x; G( t" G+ s3 k  M7 b
    link/ether 00:0c:29:8c:59:8c brd ff:ff:ff:ff:ff:ff
4 R5 I  d2 \3 A6 m" C" U# n    inet6 fe80::20c:29ff:fe8c:598c/64 scope link : v% K, N; q$ {1 |7 w+ `
       valid_lft forever preferred_lft forever
: o* Q1 t( e$ Y' u/ A' Q3: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000
2 R9 d' f: Y  K$ J! F    link/ether 00:0c:29:8c:59:96 brd ff:ff:ff:ff:ff:ff' z* y3 u9 m! B) O
4: eth2: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000# @7 v( z& s+ f% [% ]+ Z/ Y
    link/ether 00:0c:29:8c:59:a0 brd ff:ff:ff:ff:ff:ff  Y) j: c1 ^2 R% p
5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 10001 x2 g- i) c) x" x
    link/ether 00:0c:29:8c:59:aa brd ff:ff:ff:ff:ff:ff" L: G3 @4 z5 q# p3 S% T6 {$ n1 C
    inet 192.168.13.155/24 brd 192.168.13.255 scope global eth3
- z; a3 N( y2 y# o       valid_lft forever preferred_lft forever
4 |- S( b7 d5 A0 X/ G. J8 U    inet6 fe80::20c:29ff:fe8c:59aa/64 scope link
) B6 u7 [, r) Q+ d" n- w       valid_lft forever preferred_lft forever
! m) O- x2 N7 q: O  xroot@controller:~# ifup  eth1 eth2
$ T: H+ T' S( Z* ~# ?( [3 {- a8 JError: an inet prefix is expected rather than "171.10.91.128/255.255.225.0".) Q$ I1 X0 T8 ?0 E3 i  c: T" h
Failed to bring up eth1.0 t1 e% ]" X, o4 U
Error: an inet prefix is expected rather than "162.96.90.155/255.255.225.0".( g. E+ T& V. |8 }; p2 W; M: [/ ]
Failed to bring up eth2.
& z& x6 c# q1 D! r' b+ b' F" \, ?
( l5 X0 r+ e. f9 t. yroot@controller:~# ifdown  eth1 eth2
+ N: z6 k2 y4 a- `root@controller:~# ifup  eth1 eth2& X# o! H! Z! |0 k
root@controller:~# 1 K6 z6 X% P3 g$ u. u7 Q

+ V! q4 h% _8 o/ t
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