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suthomas1's avatar
suthomas1
Icon for Cirrostratus rankCirrostratus
Aug 05, 2019

vlan as gateway

Hello,

 

We are creating a new server farm in its own new vlan on our LTM. This should act as the gateway for all servers within the subnet.

Both ltm's in active-standby is connected to our two layer 3 switches.

our experience with ltm is limited, any help to complete the configuration will be great.

 

vlan25 - 192.168.100.0 /24

On layer 3 switch interface vlan 25 - 192.168.100.1

On ltm :- vlan 25 is created & interface trunked with both layer 3 switch.

ltm1 self ip - 192.168.100.4 & ltm2 self ip - 192.168.100.5

default gateway for servers - 192.168.100.6

 

1) when we define self ip on ltm1/2 as 192.168.100.4 & 192.168.100.5 , what should be the traffic group ?

2) how to define the floating traffic group on ltm which will server as gateway (192.168.100.6) for the servers in this subnet?

 

There is a traffic-group already existing, but that is for a different subnet.

Please help.

 

 

 

 

application delivery
LTM

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  • Simon_Blakely's avatar
    Simon_Blakely
    Icon for Employee rankEmployee
    Aug 05, 2019

    > 1) when we define self ip on ltm1/2 as 192.168.100.4 & 192.168.100.5 , what should be the traffic group ?

     

    Non-floating self-IPs are always assigned to traffic-group-local-only

     

    > 2) how to define the floating traffic group on ltm which will server as gateway (192.168.100.6) for the servers in this subnet?

     

    You do not need a new floating traffic group for your new vlan - just use traffic-group-1

     

    As you have an Active-Standby HA group, you want all your floating self-IPs to move if the active device fails, so you only need one floating traffic group. If you wanted an Active-Active or Active-Active-Standby HA group, you need multiple floating traffic groups to distribute some of the traffic to the Active devices (at a minimum, one traffic group per active device).