![]() Cisco Easy VPN consists of two components: The Cisco Easy VPN solution helps integrate VPN remote devices within a single deployment and with a consistent policy and key management method, which simplifies remote site administration. ![]() Based on the Cisco Unified Client Framework, the Cisco Easy VPN solution centralizes the VPN management of all your Cisco VPN devices, thus reducing the management complexity of VPN deployments. I will show this with another post.Simplify VPN deployments for remote offices and teleworkers. You can also built an EIGRP configuration within a GRE Tunnel. So we have build a site2site VPN tunnel with two routers while one of them only connects to the other router in case that there is only a ISP access with a dynamic wan IP address. Sa timing: remaining key lifetime (k/sec): (4582408/3555)Ĭonn id: 10, flow_id: Onboard VPN:10, sibling_flags 80000046, crypto map: CompanyMap Path mtu 1492, ip mtu 1492, ip mtu idb Dialer1Ĭurrent outbound spi: 0圆BBD6C57(1807576151)Ĭonn id: 9, flow_id: Onboard VPN:9, sibling_flags 80000046, crypto map: CompanyMap #pkts not decompressed: 0, #pkts decompress failed: 0 #pkts compressed: 0, #pkts decompressed: 0 #pkts decaps: 0, #pkts decrypt: 0, #pkts verify: 0 #pkts encaps: 0, #pkts encrypt: 0, #pkts digest: 0 Success rate is 100 percent (5/5), round-trip min/avg/max = 88/89/92 msĬrypto map tag: CompanyMap, local addr 80.60.50.40 ![]() Packet sent with a source address of 192.168.2.1 Sending 5, 100-byte ICMP Echos to 192.168.1.1, timeout is 2 seconds: You can test the connection by sending a ping packet to the remote router The last thing we need to do is do bind this ezvpn-group to our inside and outside interface:Ĭrypto ipsec client ezvpn VPNtoMAINOFFICE insideĪfter this you will see the ISAKMP service and the vpn tunnel is coming:Īpr 20 07:44:20.755: %CRYPTO-6-ISAKMP_ON_OFF: ISAKMP is ONĪpr 20 07:44:23.283: %CRYPTO-6-EZVPN_CONNECTION_UP: (Client) User= RouterB_xauthuser Group=OfficeB Client_public_addr=40.50.60.70 Server_public_addr=80.60.50.40 NEM_Remote_Subnets=192.168.2.0/255.255.255.0 end Username RouterB_xauthuser password userid mode local Than we will configure “ezvpn” with the parameters we choose at the RouterB configurationĬrypto ipsec client ezvpn VPNtoMAINOFFICE The configuration at the mainoffice is done. Now we will configure an EasyVPN group for our branch officeĬrypto isakmp client configuration group OfficeB If you have configured an access-list, don’t forget to allow the IPsec ports: We are using dialer-interfaces on both sites but you can also configure the crypto map on any other outside interfaceĪt this point you will see that the crypto service is coming up and the router is now reachable for VPN from the internet. In this example we are also using X-Auth user authentication within the VPN tunnel. Now we have to bind the crypto map to our outside interface. Username RouterB_xauthuser password will be our IPsec configurationĬrypto ipsec transform-set ESP-AES-SHA esp-aes esp-sha-hmacĬrypto map CompanyVPN client authentication list userauthĬrypto map CompanyVPN isakmp authorization list groupauthĬrypto map CompanyVPN client configuration address respondĬrypto map CompanyVPN 200 ipsec-isakmp dynamic DynamicPeers The configuration of the mainoffice router is as simple as providing Cisco VPN client access to roadwarriors:Īaa authorization network groupauth local The first usable IP address is assigned to the Cisco router. The IP subnet of our mainoffice is 192.168.1.0 /24 and our branch office has the subnet 192.168.2.0 /24 (yes, I want to keep it simple ^^). So the easiest way to connect a branch office router via IPsec VPN protocol to the central network address is using a Cisco EasyVPN connection with network-extension mode. In Germany some internetprovider doesn’t offer a static WAN IP address. ![]()
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