Detecting Dead Peers, For preshared key authentication

lifetime <seconds>

For preshared key authentication:

(host)(config) #crypto-local isakmp key <key> address <ipaddr> netmask <mask>

(host)(config) #crypto isakmp policy <priority> encryption {3desaes128aes192aes256des} version v1v2

authentication pre-share group {121920}

hash {md5shasha1-96sha2-256-128sha2-384-192} lifetime <seconds>

To configure site-to-site VPN with a static and a dynamically addressed controller that initiates IKE Aggressive- mode for Site-Site VPN:

(host)(config) #crypto-local ipsec-map <name> <priority> src-net <ipaddr> <mask>

dst-net <ipaddr> <mask>

peer-ip <ipaddr>local-fqdn <local_id_fqdn> vlan <id>

pre-connect enabledisable trusted enable

For the Pre-shared-key:

(host)(config) #crypto-local isakmp key <key> address <ipaddr> netmask 255.255.255.255

For a static IP controller that responds to IKE Aggressive-mode for Site-Site VPN:

crypto-local ipsec-map <name2> <priority> src-net <ipaddr> <mask>

dst-net <ipaddr> <mask> peer-ip 0.0.0.0

peer-fqdn fqdn-id <peer_id_fqdn> vlan <id>

trusted enable

For the Pre-shared-key:

(host)(config) #crypto-local isakmp key <key> fqdn <fqdn-id>

For a static IP controller that responds to IKE Aggressive-mode for Site-Site VPN with One PSK for All FQDNs:

(host)(config) #crypto-local ipsec-map <name2> <priority> src-net <ipaddr> <mask>

peer-ip 0.0.0.0 peer-fqdn any-fqdn vlan <id> trusted enable

For the Pre-shared-key for All FQDNs:

(host)(config) #crypto-local isakmp key <key> fqdn-any

Detecting Dead Peers

Dead Peer Detection (DPD) is enabled by default on the controller for site-to-site VPNs. DPD, as described in RFC 3706, “A Traffic-Based Method of Detecting Dead Internet Key Exchange (IKE) Peers,” uses IPsec traffic patterns to minimize the number of IKE messages required to determine the liveliness of an IKE peer.

To configure DPD parameters, issue the following commands via the command-line interface.

292 Virtual Private Networks

Dell PowerConnect W-Series ArubaOS 6.2 User Guide

6.2 specifications

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Dell 6.2 manual Detecting Dead Peers, For preshared key authentication, For the Pre-shared-key

Models: 6.2

For preshared key authentication:

For the Pre-shared-key:

For the Pre-shared-key for All FQDNs:

Detecting Dead Peers

6.2 specifications