7/24/2023 0 Comments Vpn monitor in srx![]() Set interfaces st0 unit 1 description "*** CONNECTION TO REMOTE SITE ***" Set interfaces ge-0/0/15 unit 0 family inet address 1.1.1.1/30Ĭonfigure the interface that will be used for the VPN: Set interfaces ge-0/0/15 unit 0 description "*** MPLS CONNECTION TO REMOTE SITE ***" ![]() Set interfaces ge-0/0/14 unit 0 family ethernet-switching vlan members COREĬonfigure the interface that will act as the WAN interface for our MPLS connection: Set interfaces ge-0/0/13 unit 0 family ethernet-switching vlan members CORE Set interfaces vlan unit 0 family inet address 10.0.0.2/24Ĭonfigure the interfaces that will connect to the core switch: Set interfaces ge-0/0/2 unit 0 family ethernet-switching vlan members CORE Set interfaces ge-0/0/1 unit 0 family ethernet-switching vlan members CORE Set interfaces ge-0/0/0 unit 0 family ethernet-switching vlan members CORE Set interfaces vlan unit 0 family inet address 10.0.0.5/24 Set interfaces vlan unit 0 description "*** CORE ***" Set interfaces ge-0/0/0 unit 0 family inet address 10.0.0.1/24 Set interfaces ge-0/0/0 unit 0 description "*** CORE ***" Currently, there are no equivalent J-Web options to configure VPN Monitor on an IPsec VPN tunnel.Configure the interface that will connect to the core switch: Use the displayed command to configure VPN Monitor using the CLI. The optimized configuration setting causes the process to consider transit traffic through the tunnel as verification that the tunnel is operational. But this behavior can be modified through configuration so that the VPN monitor pings our remote host behind the peer gateway. By default, the peering address of the remote gateway is used. The VPN Monitor process periodically sends internet Control Message Protocol (or ICMP) requests to a configured remote address to verify reachability. VPN Monitor is a Juniper proprietary method for checking the health of a tunnel. Use the displayed command to configure DPD using the CLI. This process is repeated at a regular interval, 10 seconds by default, but the interval counter is reset anytime data traffic is received over the tunnel. The DPD device sends an IKE R-U-THERE message to the peer, and the peer response with an R-U-THERE-ACK message to verify its availability. Dead peer detection (or DPD), which operates securely over the Internet Key Exchange (or IKE) Phase 1 security association (or SA), is used to verify the current reachability and availability of the remote peer device. ![]() Use the displayed command to monitor IPsec VPN parameters using the CLI. Check the route table to verify that the next hop for IPsec VPN traffic is pointing to the st0.X interface. You can also view the traffic statistics for the st0.0 tunnel interface by clicking View Details at the top right and verify the traffic statistics and confirm that traffic is being sent through the bound IPsec tunnel. If there is a problem in establishing the IPsec tunnel, the st0 interface will not be in the Up state. Remember, a route-based IPsec VPN uses an st0 tunnel interface. If all counters are 0, then traffic is not traversing the tunnel. You can also view the IPsec statistics that specify the number of transit packet bytes that the device has encrypted and decrypted. Use the displayed commands to monitor IPsec VPN parameters using the CLI. First, ensure that IKE status is Up, as shown. Once you commit all configurations, you must ensure that the tunnels are working properly. ![]() By the end of this module, you should be able to monitor site-to-site IPsec VPNs. Welcome to the Monitoring Site-to-Site IPsec VPN module. ![]()
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