How long can a uDLR be down for before routes become stale or lost

[kwongheng]

Hi all,

Sorry if I get the terms incorrect as I am not a network person. In NSX (e.g. 6.3.6), if a uDLR is shutdown, how long does it take before the gateway or the VMs behind the uDLR becomes unreachable? How is that determined and what does this depends on?

Thanks!

[RShankar22]

Routes will get updated immediately during the DLR shutdown. The shutdown will flush the routes from Host immediately.

[kwongheng]

Hi RShankar22,

Thanks for the reply. Sorry, I really meant the uDLR control VM not the DLR code running in the hosts. I know that even with uDLR control VM shutdown, VM can continue to be pingable, my question is how long would this last?