Thanks Sam,
that mean we only need to use one link each of the firewall to each of the switch in the stack?
configuration similar like below:
set groups node0 system host-name srx-a
set groups node0 interfaces fxp0 unit 0 family inet address 192.168.1.1/24
set groups node1 system host-name srx-b
set groups node1 interfaces fxp0 unit 0 family inet address 192.168.1.2/24
set apply-groups "${node}"
set chassis cluster reth-count 5
set chassis cluster redundancy-group 0 node 0 priority 200
set chassis cluster redundancy-group 0 node 1 priority 100
set chassis cluster redundancy-group 1 node 0 priority 200
set chassis cluster redundancy-group 1 node 1 priority 100
set interfaces fab0 fabric-options member-interfaces ge-0/0/2
set interfaces fab1 fabric-options member-interfaces ge-9/0/2
set interfaces ge-0/0/3 gigether-options redundant-parent reth0
set interfaces ge-9/0/3 gigether-options redundant-parent reth0
set interfaces ge-1/0/0 gigether-options redundant-parent reth1
set interfaces ge-10/0/0 gigether-options redundant-parent reth1
set interfaces ge-1/0/1 gigether-options redundant-parent reth2
set interfaces ge-10/0/1 gigether-options redundant-parent reth2
set interfaces ge-1/0/2 gigether-options redundant-parent reth3
set interfaces ge-10/0/2 gigether-options redundant-parent reth3
set interfaces ge-1/0/3 gigether-options redundant-parent reth4
set interfaces ge-10/0/3 gigether-options redundant-parent reth4
set interfaces reth0 redundant-ether-options redundancy-group 1
set interfaces reth1 redundant-ether-options redundancy-group 1
set interfaces reth2 redundant-ether-options redundancy-group 1
set interfaces reth3 redundant-ether-options redundancy-group 1
set interfaces reth4 redundant-ether-options redundancy-group 1
set security zones security-zone Trusted
set security zones security-zone Untrusted
set security zones security-zone DMZ
set security zones security-zone 3rd_Party
set security zones security-zone Trusted host-inbound-traffic system-services all
set interfaces reth0 unit 1 family inet address 10.1.1.1/24
set security zones security-zone Trusted interfaces reth0.1
set interfaces reth0 vlan-tagging
set interfaces reth0 unit 1 vlan-id 1
set interfaces reth0 unit 2 family inet address 10.1.2.1/24
set security zones security-zone DMZ interfaces reth0.2
set interfaces reth0 vlan-tagging
set interfaces reth0 unit 2 vlan-id 2
set interfaces reth0 unit 3 family inet address 10.1.3.1/24
set security zones security-zone DMZ interfaces reth0.3
set interfaces reth0 vlan-tagging
set interfaces reth0 unit 3 vlan-id 3
set interfaces reth0 unit 4 family inet address 10.1.4.1/24
set security zones security-zone DMZ interfaces reth0.4
set interfaces reth0 vlan-tagging
set interfaces reth0 unit 4 vlan-id 4
set interfaces reth0 unit 5 family inet address 10.1.5.1/24
set security zones security-zone DMZ interfaces reth0.5
set interfaces reth0 vlan-tagging
set interfaces reth0 unit 5 vlan-id 5
set interfaces reth4 unit 0 family inet address 10.1.5.1/24
set security zones security-zone Untrusted interfaces reth4.0