V

versions of SNMP, 122 viewing configuration register, 162 DHCP leases, 40 home pages, 119 HSRP status, 45 interfaces, 163 routing tables, 48-50 startup config, 185 virtual terminal passwords, setting, 190

VLAN hopping, 202-203 VLANs (virtual LANs), creating, 23 VLSM (Variable-Length Subnet Masking), 31-32

VMS (CiscoWorks VPN/Security

Management Solution), 313-314 VPDNs, 276-277

configuring, 278-281 VPNs, 383

configuring, 385 VRFY command (SMTP), 129 vulnerabilities of TCP/IP, 417-418

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