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Index
V
variable length subnet mask (VLSM) 21–22
vendor-defined classes, DHCP 91
virtual private network See 21–22
VPN (virtual private network)additional resources 426–427
availability improvements 404
benefits 380
capacity planning 384
choosing routing approaches 387–388
compared to dial-up networking 378–381
connecting remote sites 477–480
CPU requirements 384
deployment overview 375
deployment process 377
described 433
design overview 382
designing IAS 334
firewalls 385–386
hardware requirements 383–384
implementing deployments See implementing VPN
integrating servers into perimeter networks 485–486
IP addresses for clients 388
matching IP packet filters to demand-dial filters 486
Network Load Balancing 404
optimizing remote access server design 404
outsourcing options 385
placing servers 385–386
RAM requirements 384
redundant servers for availability improvements 404
remote site connectivity overview 472
router placement for firewalls 485
routing for clients 387–388
security for split tunneling 388
security planning See planning VPN security
servers behind firewalls 386
servers in front of firewalls 386, 413
split tunneling options 388
testing remote access server design 405
tunneling authentication and encryption 380
tunneling protocols 434
tunnels for IAS security 361
WINS security using tunnels 204
