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

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.