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  1. 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 …

  2. VPN Tunnel up and line protocol down - Cisco Learning Network

    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.

  3. Basic VPN/IPSec configuration - Cisco Learning Network

    Crypto map VPN-MAP – Issued on interface fast Ethernet 0/0 in order to apply the settings directly to this particular interface. Access-list 110 permit ip 99.66.11.0 0.0.0.255 99.66.33.0 0.0.0.255 – …

  4. Route based VPNs vs Policy based VPNs - Cisco Learning Network

    Hi , Can someone kindly explain the difference between Route based VPNs and Policy based VPNs (Ex:IPSec)? What I read is "Policy based VPN (No virtual tunnel interface) has a security policy that …

  5. Cisco ASA Site to Site VPN Failover - Cisco Learning Network

    As we know, there is no preemption in IPsec site-to-site VPN on Cisco ASA to the primary peer. If you configure a crypto map with two peers, one as the primary, and another as the secondary, the ASA …

  6. 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.

  7. Building Cisco Meraki vMX in AWS Cloud WAN for Global Connectivity

    Dec 11, 2024 · AWS Tunnel-less Connect offers a simpler method for building a global SD-WAN using AWS. Meraki SD-WAN appliances can peer with Cloud WAN via Border Gateway Protocol (BGP), …

  8. IPSec Site to Site VPN Issue - Cisco Learning Network

    It seems, that your VPN configuration on both sides of the tunnel does not match, so its impossible for the tunnel to come up. you should set the debug level to a higher value to get a tip, where the von …

  9. 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 …

  10. anyconnect ssl vpn - Cisco Learning Network

    Hi , is there vpn-tunnel-protocol called ssl-client , i got this from a working configuration . Second thing ikev1 and v2 are for ipsec ? . Does it work with anyconnect ssl vpn . what is the differncese between …