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- VPNs are working in which layer of the OSI model? [closed]
Two of the most common are IPSec and SSL VPNs VPNs do not fit very well into the OSI model -- they were developed after the model was created Also, as has been stated many times on this forum, the OSI model is just an idealized model of how things "ought to work " It's not an accurate representation of how things actually work
- Is VPN a layer 3 concept? - Network Engineering Stack Exchange
These paths keep the VPN traffic separate from other Internet traffic and can be guaranteed a certain amount of bandwidth or other quality of service Is VPN a layer 3 or 5 concept? (seems to me yes?) Do both approaches in the quote to build VPNs are layer 3 approaches?
- OSI Model and Networking Protocols Relationship
Are VPN tunnels layer 2 or 3? How should a student (or professional for that matter) understand the relationship between the OSI model and protocols he she works with?
- PPP, VPN, Tunneling and OSI model - Network Engineering Stack Exchange
The layer-2 and layer-3 protocols don't know or care anything about the layer-4 protocol or port The network stack in the server gets to the layer-4 protocol, and the port on the layer-4 header tells the server which process in the server gets the layer-4 payload
- Why PPTP, L2TP, PPPOE are in OSI Layer2?
PPTP, L2TP, PPPOE - these are tunneling protocols And they are Data link Layer protocols Why? As I understood, Layer2 protocols work only in same subnet They don't use IP addresses and cannot be
- Which layer does IPSec work - Network Engineering Stack Exchange
Does IPSec work below or above the network(IP) layer? If below then how does a router read the destination IP address which is encrypted inside the IPSec encryption?
- SSL TLS belongs to which OSI layer [duplicate] - networking
Can someone please explain SSL TLS belongs to which OSI layer I have been looking through many sites and all of them have different options of Application, Presentation and Session
- Difference between L2 VPN and L3VPN. How EVPN used with VxLAN and MPLS?
L3 MPLS VPN – forwards based on the L3 address of the L3 PDU The L3 PDU is encapsulated in the transport protocol (MPLS) With MPLS VPN, MP-BGP is used to distribute L3 forwarding information between sites for routes within the VPN EVPN – Another form of multipoint L2 VPN (LAN type service) Can use MPLS or VXLAN for transport
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