Cisco to WatchGuard IPSec VPN

On Watchguard:

1. Create VPN -> Branch Office Gateway:

Put PSK, Main Mode, Nat traversal, Dead Per Detection
Create Transform Settings (SHA1-3DES-DH2)

2. Create VPN -> Branch Office IPSec Tunnel:

Put local and remote addresses,
Tick Add this tunnel to the BOVPN-Alliw policies
Add phase2 (ESP-SHA1-3DES)

3. Create wiriwall policy for local traffic.

On Cisco:

crypto isakmp policy 1
  encr 3des
  authentication pre-share
  group 2

crypto isakmp key [PSK] address [WG External IP]

crypto ipsec transform-set POL_trans esp-3des esp-sha-hmac
  mode transport

 crypto map [POLICY] 1 ipsec-isakmp 
  set peer [WG External IP]
  set transform-set POL_trans
  match address 132

 interface Dialer0
  crypto map [POLICY]

 access-list 132 permit ip 10.0.0.0 0.0.0.255 192.168.0.0 0.0.0.255

 


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