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Chapter 10: Network configuration
10
Network configuration
Contents
Port configuration ......................................................................................................10-3
LAN port configuration.......................................................................................10-4
Internet port configuration.................................................................................10-5
Address allocation......................................................................................................10-6
DHCP server (global)..........................................................................................10-6
DHCP relay agent ................................................................................................10-9
VLAN support ...........................................................................................................10-11
Types of VLANs..................................................................................................10-11
VLAN configuration...........................................................................................10-12
GRE tunnels ..............................................................................................................10-14
Bandwidth control ...................................................................................................10-15
Internet port data rate limits............................................................................10-16
Bandwidth levels ...............................................................................................10-16
Example..............................................................................................................10-17
CDP ............................................................................................................................10-18
DNS ............................................................................................................................10-19
DNS servers........................................................................................................10-19
DNS advanced settings .....................................................................................10-20
IP routes ....................................................................................................................10-21
Configuration .....................................................................................................10-21
Network address translation (NAT).......................................................................10-23
NAT security and static mappings...................................................................10-24
VPN One-to-one NAT.........................................................................................10-26