[SRX] How to troubleshoot a VPN that is up, but is not

If it's the only VPN on the box you can try: #delete security ipsec. #delete security ike. #delete interfaces st0.0 < Whatever your tunnel interface is. I recommend saving your rescue config first. This way if you break something you can run the rollback rescue command. >request system configuration rescue save. OR. #run request system The configuration template provided is for a Juniper MX router running JunOS 15.0 (or newer). set services service-set oracle-vpn-tunnel_2 next-hop-service inside Oct 17, 2019 · Now that we have configured that, we need to also bind the VPN to an st (standard tunnel) interface. These all start at st0.x and are configured like any other interface in Junos. For this lab, we will just use st0.0. set security ipsec vpn VPN-to-vSRX bind-interface st0.0 Oct 24, 2019 · If you have 10 networks that you need to tunnel, you will have a vpn for each of the networks. Below is an example of what it would look like for two networks – local is 10.0.0.0/24 and remote networks are 10.1.0.0/24 and 10.10.0.0/24. Route-based tunnels: Also called next-hop-based tunnels. A route table lookup is performed on a packet's destination IP address. If that route’s egress interface is an IPSec tunnel, the packet is encrypted and sent to the other end of the tunnel.

The default route goes to the tunnel allowing access to the protected network. Split tunneling is enabled and the included route contains 10.204.64.0/18 and the exclude traffic contains 10.204.68.0/24. In this scenario, networks from 10.204.64.0/18 to 10.204.127.0/18 will pass through the VPN tunnel with the exception of the 10.204.68.0/24

A route-based VPN tunnel configuration is a good choice when you want to conserve tunnel resources while setting granular restrictions on VPN traffic. Although you can create numerous tunnel policies referencing the same VPN tunnel with a policy-based VPN, each tunnel policy pair creates an individual IPsec security association (SA) with the Sep 13, 2017 · Route-based VPN on Linux# 3. Virtual tunnel interfaces (VTI) were introduced in Linux 3.6 (for IPv4) and Linux 3.12 (for IPv6). Appropriate namespace support was added in 3.15. KLIPS, an alternative out-of-tree stack available since Linux 2.2, also features tunnel interfaces. Apr 18, 2017 · Issue #1 – VPN is up, but no traffic is flowing across it. This one initially took me a minute to figure out. All of our tunnels are route-based, using secure tunnel interfaces. So each VPN is configured with a “set security ipsec vpn vpn_name bind-interface st0.x” command. In Junos, you use a different tunnel interface for every tunnel destination. Always use st0.x (never st1.x, st2.x, etc.), you don't actually have to assign an IP to it; it can be unnumbered. S2S VPN does not have to be the same on both sides of the connection so you can hook up your ASA (policy based) to a route based VPN on your Juniper.

Junos Policy-Based VPNs – Part 2 of 4 – Proxy-Identity

add vpn tunnel 1 type numbered local 169.254.44.234 remote 169.254.44.233 peer AWS_VPC_Tunnel_1 set interface vpnt1 state on set interface vpnt1 mtu 1436 Repeat these commands to create the second tunnel, using the information provided under the IPSec Tunnel #2 section of the configuration file. Junos Basics – Route Based IPSec VPN’s | NotTheNetwork.me With a route based VPN, there is no particular policy tied to a VPN tunnel, rather traffic is forwarded across a tunnel link based on the routing table. ie. when the route to a particular network is via a Secure Tunnel (ST) virtual interface. One thought on “ Junos Basics – Route Based IPSec VPN’s ” … How to configure IPsec VPN (route based) between two Jul 09, 2017