1KEEPALIVED % H Keepalived: The De?nitive Guide
FinalBSDKevin Kuang oo?cn 3
Kevin KuangPk c 2009?9 ?k u1 " 3?k |"
' 3gd^ | GNUˇ^ N y ^e§
\ ?2 ‟ ?U§"N y ??1 §‟ ? U ? \??"8?
1 VRRP 1
1.1 VRRP ?0. 1
1.2 ? . 2
2 KEEPALIVED 3
2.1 Keepalived O ?y 3
2.1.1§ “ 4
2.1.2 ? 4
2.1.3 WatchDog4
2.1.4 IPVS C4
2.2 KeepAlived SC 5
2.3 KeepAlived . 6
2.3.1 7
2.3.2 VRRPD . 8
2.3.3 LVS . 11
防辐射内裤3 A^?~ 15
抗菌
防臭袜
3.1 ^Keepalived HA 15
3.1.1 HAProxy web 15
3.1.2 Keepalived 15
3.2 ^Keepalived LVS19
'z 211 VRRP
Keepalived?VRRP ?y§ˇd30 Keepalived c§? k7
1
k VRRP n" VRRP ? ' #LuVRRP RFC' "
1.1 VRRP ?0
3y? ’XInternet§ I ˇ& ?end-host ?e?vk n? "?u? ?§§ m ?dN
o J” ?X ‟ 8 ? e a?d§?? ?K"ˇ~
k ? 3 ? ?^? ?d ?’XRIP,OSPF
3 ? ? ?dw§3 ? ? ?d ?? ~ ?S §ˇ +n!
o? ?9??|? ?K"@o ? ?d C ' 6
1"?S §?? “? 8 3^" ?§?d ‟ ‘%@
’default gateway%?~? :" ? ? ?d§%ˇ 7
L?? U C ?^"
VRRP 8 ? ?? ?d : ?K
VRRPˇL election ?5? ?d? LAN?J
[?d ? , VRRP?d "?pw 5?7§ˇ k ’ c:J[?d VRRP?d "
VRRP?d手机转轴
VRRP?d ? ?d § L ?$1 VRRPD? §S
5?yVRRP ? ?§?? n ?d " VRRP?d ? u?
J[?d "
1
RFC 3768 2338§XJ\U ?§ w2338j2 VRRP
VRRPJ[?d J[§ ?‘? ??S 3 §? 6 ? n ?d "J[?d ˇ~d? n VRRP?d ˇL,? “|?§ ?
’? n ?d ? ?poolp? § pool? w 5
d § S k "J[d I VRID"
MASTER BACKUP
3 VRRPJ[?d ?§k? n VRRP?d §
2
n ? ? § ?d ? MASTER KI?d §
BACKUP§MASTER C§VRRP 4z VRRP
3
d ? ? § “… ?MASTER"MASTERk A §’X
PkJ[?d IP/ §? ? ?^? IP/ ? ?d
"PkA MASTER KIuux ’/ AARP
"
1.2 ?
VRRPˇL? ?5?yJ[?d ?U§?k ? ' ?
ˇLIP??multicast ?/ 224.0.0.18?/“ux "J[?d
dVRID 0?255 |IP/ |?§? Ly ? MAC/
4
设备防护箱
00-00-5E-00-01-VRID "??§3 J[?d ?§ +X
MASTER§ MAC IP VIP" r
I ˇ MASTER UC ?UgC ?d §?? 5‘§?? l
"
北京
德科岛金
3 J[?d ?§ k MASTER VRRP?d ? uxVRRP2w VRRPAdvertisementmessage§BACKUP ?s MASTER§§ ‘k?priority p " MASTER ^ ?BACKUP? 2 5
弱碱水设备w ?§? BACKUP?‘k? p ? ? s MASTER""s ? ~? 1s§? y ?Y5"
uS 5 ?§VRRP ?^ \ 1\ "
2
+w 5L
3
P o?kA
4
o virtual router id o U0255
5
‘? oI state§kI priority? 1 KEEPALIVED
Keepalived O ?y , § ? k § "
2.1 Keepalived O ?y
Keepalived? p ?z O ^ § ? q ?N?
w ? :§p? k
check core libipfwc libipvs-2.4 libipvs-2.6 vrrp
o 8"4 KEEPALIVED
core keepalived %§S§’X §?§?? vrrp Keepalived vrrpdf?§?9 ’ ?"
check keepalived healthcheckerf?§ 8?§ ?k ?xu
“?9?A §LVS 3? p?
libipfwc ipt ablesipchains?§ ^5 LVS? ?rewall-mark"
libipvs* ??^LVSI ^ "
2.1.1§ “
keepalived ^ § O “§z ?§KI ?U§?
3?^LVS ? ˇ~ ?w ? ?§
111 Keepalived I?§:S +n§i f?§
112 \_ Keepalived VRRPf?§
113 \_ Keepalived healthcheckerf?§
豫公网安备41160202000603
站长QQ:729038198
关于我们
投诉建议