Forum Discussion

Sarah_258804's avatar
Sarah_258804
Icon for Cirrus rankCirrus
May 05, 2016

In one-arm mode, do my pool member servers have to be in the same network as the vIP/self-IP?

Reading through the LTM Implementation Worksheet and it says:   "In a one-arm network, the Virtual IP (VIP) is on the same IP address space as the pool member servers. A one-arm network typically...
aci
application delivery
BIG-IP
cisco aci
LTM
pete_71470's avatar
pete_71470
Icon for Cirrostratus rankCirrostratus
May 08, 2016

We run mostly in one-arm mode and there are no VIPs in the server networks. No problems. I think the worksheet is a guideline for sensible deployments. You can concurrently have inline and one-arm configurations on the same appliance successfully. We do this and have no issues.

 

  • IanB's avatar
    IanB
    Icon for Employee rankEmployee
    May 08, 2016
    Just to add to that, there's no such thing as one armed "mode".. it's not a switch or an option that can be turned on. All it describes is a situation where that the requests to the pool members happen to go out on the same vlan that the requests to the vip came in on.