A/A模式HA
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關(guān)鍵點(diǎn):
1、A/A failover 利用了多模式,在不同的物理設(shè)備上active不同的虛墻以達(dá)到雙活目的
2、主要在primary節(jié)點(diǎn)做配置,secondary節(jié)點(diǎn)會(huì)從primary節(jié)點(diǎn)同步配置,包含system和context
3、secondary節(jié)點(diǎn)配置任務(wù)僅包括:多模式啟用、物理接口啟用、failover基本配置(啟用failover、指定為secondary節(jié)點(diǎn)、指定并命名failover lan接口,failover lan接口IP)
配置步驟
1、 準(zhǔn)備動(dòng)作:
primary節(jié)點(diǎn)和secondary節(jié)點(diǎn)都啟用多模式
啟用必要的物理接口
2、primary節(jié)點(diǎn)做failover配置
ciscoasa(config)# sh run failover
no failover
failover lan unit primary
failover lan interface fo-lan GigabitEthernet2
failover interface ip fo-lan 192.168.0.1 255.255.255.0 standby 192.168.0.2
failover group 1
preempt 60
failover group 2
secondary
preempt 60
最后,啟用failover
3、在primary節(jié)點(diǎn)構(gòu)造虛墻v1、v2,并分派虛墻關(guān)聯(lián)failover組
主設(shè)備:
ciscoasa(config)# sh run context
admin-context admin
context admin
config-url disk0:/admin.cfg
!
context v1
allocate-interface GigabitEthernet0 ifinside
allocate-interface GigabitEthernet1 ifoutside
config-url disk0:/v1.cfg
join-failover-group 1
!
context v2
allocate-interface GigabitEthernet3 ifinside
allocate-interface GigabitEthernet4 ifoutside
config-url disk0:/v2.cfg
join-failover-group 2
!
4、虛墻常規(guī)配置
只在primary節(jié)點(diǎn)做配置,啟用Failover后,secondary節(jié)點(diǎn)會(huì)copy該配置
changeto context v1
sh run
interface ifinside
nameif inside
security-level 100
ip address 20.0.1.1 255.255.255.0
!
interface ifoutside
nameif outside
security-level 0
ip address 5.5.5.5 255.255.255.0
!
changeto context v2
interface ifinside
nameif inside
security-level 100
ip address 30.0.1.1 255.255.255.0
!
interface ifoutside
nameif outside
security-level 0
ip address 6.6.6.6 255.255.255.0
!
5、確定primary節(jié)點(diǎn)failover狀態(tài)正常后,配置secondary節(jié)點(diǎn)基本failover工作參數(shù)
failover
failover lan unit secondary
failover lan interface fo-lan GigabitEthernet2
failover interface ip fo-lan 172.16.0.1 255.255.255.0 standby 172.16.0.2
6、等待配置同步,secondary節(jié)點(diǎn)failover狀態(tài)正常后,達(dá)到preempt閥值,secondary節(jié)點(diǎn)會(huì)接管group 2
本文標(biāo)題:failover雙活
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