ZyXEL Communications ZyWALL 70 Información técnica descargar pdf (Pagina 54)

ZyWALL 1050 Support Notes

1.4 Large-scale VPN Deployment

With the business growing, network administrator will face the more and more complicated

VPN topology and applications. ZyWALL 1050 supports various types of VPN topology that

can meet the needs of the organizations of any size.

ZyWALL1050 VPN Topology supports fully meshed topology that can be deployed when

the total number of remote site is small. Star topology is recommended when the total number

of remote sites is high, Even more flexible design, Star and Mesh mixed topology (cascading

topology) can be applied for a global distributed environment.

1.4.1 Fully Meshed Topology

In a fully-meshed VPN topology, an

user can access to resources within

remote VPN sites provided that a

PN tunnel was alread

established

1) In order to achieve the VPN connectivity of all sites in the fully meshed VPN topology, all

the sites must be directly connected with VPN tunnels to all the remote sites. The network

administrator has to pay huge establishment and maintenance effort with the new remote

site joining. This VPN topology is suitable for only a few sites connected with VPN.

2) For example, to complete the above topology, administrator needs to repeat the same steps

at least five times and totally needs to establish 10 VPN tunnels. The tunnels list follows:

London

Oslo

Hannover Paris

Madrid

In this topology, each site

plays the same role – handles

incoming encrypted traffic or

encrypts outgoing traffic

designated to a remote site

All models in ZyWALL series

can support Fully-meshed

VPN topology, including:

ZyWALL 2 Plus/5/35/70/1050

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ZyXEL Communications ZyWALL 70 Información técnica Pagina 54