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A/A模式HA
關(guān)鍵點:
1、A/A failover 利用了多模式,在不同的物理設(shè)備上active不同的虛墻以達到雙活目的
2、主要在primary節(jié)點做配置,secondary節(jié)點會從primary節(jié)點同步配置,包含system和context
3、secondary節(jié)點配置任務(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、指定并命名failover lan接口,failover lan接口IP)
配置步驟
1、準備動作:
primary節(jié)點和secondary節(jié)點都啟用多模式
啟用必要的物理接口
2、primary節(jié)點做failover配置
ciscoasa(config)#sh run failover
no failover
failoverlan unit primary
failoverlan interface fo-lan GigabitEthernet2
failoverinterface ip fo-lan 192.168.0.1 255.255.255.0 standby 192.168.0.2
failovergroup 1
preempt 60
failovergroup 2
secondary
preempt 60
最后,啟用failover
3、在primary節(jié)點構(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-contextadmin
contextadmin
config-url disk0:/admin.cfg
!
contextv1
allocate-interface GigabitEthernet0 ifinside
allocate-interface GigabitEthernet1 ifoutside
config-url disk0:/v1.cfg
join-failover-group 1
!
contextv2
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)點做配置,啟用Failover后,secondary節(jié)點會copy該配置
changetocontext v1
sh run
interfaceifinside
nameif inside
security-level 100
ip address 20.0.1.1 255.255.255.0
!
interfaceifoutside
nameif outside
security-level 0
ip address 5.5.5.5 255.255.255.0
!
changetocontext v2
interfaceifinside
nameif inside
security-level 100
ip address 30.0.1.1 255.255.255.0
!
interfaceifoutside
nameif outside
security-level 0
ip address 6.6.6.6 255.255.255.0
!
5、確定primary節(jié)點failover狀態(tài)正常后,配置secondary節(jié)點基本failover工作參數(shù)
failover
failoverlan unit secondary
failoverlan interface fo-lan GigabitEthernet2
failoverinterface 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failover狀態(tài)正常后,達到preempt閥值,secondary節(jié)點會接管group 2
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