Cyclades AlterPath BladeManager Manuál s instrukcemi stáhnout pdf (Strana 195)

Appendices 181

Using reserved IP addresses for private IP addressing

The administrator should assign a private IP address to each target device from one of the three IP

Internet address ranges that are reserved for use on internal networks. Table C.5 shows the reserved

IP address ranges for internal networks.

See http://www.rhebus.com/techinfo/iprange.htm#ip1 for recommendations about which ranges to

use for various sizes of organizations and for avoiding address conflicts.

The number of IP addresses available on a network may be restricted by a subnet mask. For a

simple example, the subnet mask 255.255.255.0 provides 256 IP addresses. The IP address ending

with zero (0) is the network address, and the IP address ending with 255 is the broadcast address,

leaving 254 addresses to assign to target devices (from 1-254).

To specify a range of addresses on the MergePoint 5224/5240 Service Processor Manager supply

the network address and a subnet mask, in either of these two formats: 192.168.0.0 and

255.255.255.0 or 192.168.0.0/24.

Any user who needs native IP access to the SP

manager must create a named VPN connection

profile, then to create a VPN tunnel to the SP

manager before enabling native IP. The requirements

for creating the VPN tunnel and the IP addresses to

use vary depending on whether IPSec or PPTP is

being used.

• Routing requirements for native IP access on

page 184

• IPSec VPN configuration for example 2 on

page 188

• PPTP VPN configuration for example 2 on

page 189

• Enabling native IP and accessing a target

device’s native features using real IP addresses

for example 2 on page 191

• IPSec VPN configuration for example 3 on

page 195

• PPTP VPN configuration for example 3 on

page 196

• Enabling native IP and accessing a target

device’s native features using virtual network

addresses for example 3 on page 197

Table C.4: Tasks for Creating Addresses to Assign to Target Devices (Continued)

Task Where Described

Table C.5: IP Address Ranges Reserved for Internal Network Addressing

Address Range # of Networks/Class Network Sizes

192.168.0.0—192.168.255.255 256/Class C small (fewer than 200 hosts)

172.16.0.0—172.31.255.255 16/Class B

mid

-sized

10.0.0.0—10.255.255.255 1/Class A large

1 2 ... 190 191 192 193 194 195 196 197 198 199 200 ... 239 240

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