Dear Sir/Madam,I understand that using transport mode does not encrypt the IP header, but only the payload. Is that's why it is recommend to incorporate GRE tunnel with transport mode to enhance security? Can you please explain how. Please see url be...

Hi Lucien,Can please advise if the Nexus 5000 and 5500 support the following features:         1. In Service Software Update (ISSU)         2. Non-stop-forwarding (NFS)         3. Online Insertion and Removal (OIR)         4. Can it be used in the co...