SRX chassis cluster over layer 2 network

juniperjuniper-srxredundancy

I need to setup a chassis cluster between two SRX650s over a layer 2 network. I have found an article which is applicable to my situation.

But I do not understand some portions:

  1. Please explain the logical scheme. Where are the interfaces located ( ge-0/0/0, ge-0/0/1, ge-0/1/0) which are mentioned in the configuration below (which side of the switch?)?

    set interfaces ge-0/0/0 mtu 9014
set interfaces ge-0/0/0 unit 0 family ethernet-switching port-mode trunk
set interfaces ge-0/0/0 unit 0 family ethernet-switching vlan members 4094
set interfaces ge-0/0/1 mtu 9014
set interfaces ge-0/0/1 unit 0 family ethernet-switching port-mode trunk
set interfaces ge-0/0/1 unit 0 family ethernet-switching vlan members 4094
set interfaces ge-0/1/0 mtu 9014
set interfaces ge-0/1/0 unit 0 family ethernet-switching port-mode trunk
set interfaces ge-0/1/0 unit 0 family ethernet-switching vlan members 4094

    SRX240——–EX2200——-EX2200——SRX240

  2. Do I understand correctly, that the Trunk should be only between the two EX2200 switches? Between the SRX and switch should be two separated links (from interface ge-0/0/1 (fxp1) and from any ge-0/0/x (fab), correct?

Best Answer

The article you're referring to is simply setting up a trunk between 2 switches.

Please explain the logical scheme. Where are the interfaces located ( ge-0/0/0, ge-0/0/1, ge-0/1/0) which are mentioned in the configuration below (which side of the switch?)?

The configuration samples in your question are placed on the interface connecting the two switches.

Do I understand correctly, that the Trunk should be only between the two EX2200 switches? Between the SRX and switch should be two separated links (from interface ge-0/0/1 (fxp1) and from any ge-0/0/x (fab), correct?

Your understanding is correct. Below is a slightly modified diagram. 

SRX240--------EX2200=======EX2200------SRX240
          ^            ^            ^
          |            |            |
        Access       Trunk        Access
         Port         Port         Port
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