Hi community, We have a client with 50 DMVPN spokes, connected with 2 Hubs. Everything was working fine and suddenly the Tunnel adjency started flapping with all spokes expect 1: %DUAL-5-NBRCHANGE: EIGRP-IPv4 600: Neighbor x.x.x.x (TunnelX) is u...

Hi community, FTD Versions: 7.0.1/7.0.5/7.2.4 FMC version: 7.3.1 I have 31 FTDs managed by the FMC, suddenly 29 out of them are showing offline now, only 2 are online. From FMC System->Health Monitor at the Time Sync section I can see that FTDs are d...

Hello community, I have a cisco ISR 4331 router at my client, with: IOS image: 17.06.01a Rommon image: 17.6.2  I want to downgrade IOS image from 17.06.01a to 17.02.01, but I get the error: Image is not compatible with system. Other versions i tried:...