VPN vs Tunneling - Cisco Learning Network
The definition about VPN and Tunneling is not the same. Virtual Network Protocol aka VPN is a point-to-point connection between two sites by using the Internet as transport mechanism. To create a VPN …
Basic VPN/IPSec configuration - Cisco Learning Network
Tunnel verification: On the Lisboa router, re-issue the show crypto IPsec sa command. Now notice that the number of packets is more than 0 and there is no discrepancy between those numbers, …
why do we use port no. UDP port 500 and UDP port 4500 in ipsec vpn??
If two vpn routers are behind a nat device or either one of them, then you will need to do NAT traversal which uses port 4500 to successfully establish the complete IPEC tunnel over NAT devices.
VPN Tunnel up and line protocol down - Cisco Learning Network
All, I established a VPN between two routers and using OSPF as dynamic routing protocol but the routers are NOT neighbors because tunnel line protocol is down. How to fix this? Will appreciate your …
IPSec site to site VPN tunnel is down suddenly.
Since phase 1 tunnel is being completed on both ends, I would check the ASA vpn access list and nating, if everything is fine, then I would think that the ISP is blocking the esp traffic from the 1800 …
IPSEC ports/protocol numbers and UDP ports with NAT
I'm watching an INE video for IPSEC VPN's, specifically the section about IPSEC Control Plane vs Data Plane. In the video the instructor is talking about that IPSEC uses port 500 (for AH and ESP) in the …
AnyConnect VPN Full-Tunnel - Cisco Learning Network
Hi Security Experts, Can someone help me with a Full-Tunnel VPN Configuration, kindly just give me a sample tunnel-group configuration and group-policy configuration for Full-Tunnel Remote-Access …
Route based VPNs vs Policy based VPNs - Cisco Learning Network
What I read is "Policy based VPN (No virtual tunnel interface) has a security policy that triggers tunnel where as in Route based VPNs traffic (Virtual tunnel is present) on the Virtual Tunnel interface …
Clear phase 1 and phase 2 for vpn site to site tunnel.
Hi Loc, That's logical order when clearing and re-establishing the tunnel. You can imagine Phase 1 as a control plane and actual data plane is Phase 2, so when you are tearing down the tunnel you might …
How to Configure Anyconnect - 8 easy steps - Cisco Learning Network
I actually forgot to include my split tunnel configuration. I took notes on an online website about how to configure AnyConnect and the configuration examples were pre 8.3.