Cisco warns of certificate problem that takes down SD-WANs

Cisco is warning customers that an expired certificate bug in a number of its Viptella SD-WAN devices can take down the boxes and consequently their attached SD-WAN environments.

In a tweeted alert and a Tech Note Wednesday morning, Cisco said it is actively working to address a device failure problem that’s impacting a number of Viptela SD-WAN platforms including the vEdge 100, 1000, 2000. It defined the problem as “an expired certificate affecting control plane connections, which eventually impacts data plane connections resulting in loss of…