D-Link DGS-1510-28P User Manual - Page 669
Usage Guideline, Example, 5 web-auth virtual-ip, Parameters, Default, Command Mode, Command Default
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DGS-1510 Series Gigabit Ethernet SmartPro Switch CLI Reference Guide Usage Guideline Web authentication is a feature designed to authenticate a user by using the Web browser when the user is trying to access the Internet via the Switch. The Switch itself can be the authentication server and do the authentication based on a local database or be a RADIUS client and perform the authentication process via RADIUS protocol with remote RADIUS server. The authentication process uses either the HTTP or HTTPS protocol. Example This example shows how to enable the Web authentication function globally on the Switch. Switch# configure terminal Switch(config)# web-auth system-auth-control Switch(config)# 74-5 web-auth virtual-ip This command is used to configure the Web authentication virtual IP address which is used to accept authentication requests from host. Use the no form of this command to return to the default setting. web-auth virtual-ip {ipv4 IP-ADDRESS | ipv6 IPV6-ADDRESS | url STRING} no web-auth virtual-ip {ipv4 | ipv6 | url} Parameters ipv4 IP-ADDRESS url STRING ipv6 IPV6-ADDRESS Specifies the Web authentication virtual IPv4 address. Specifies the FQDN URL for Web authentication The FQDN URL can be up to 128 characters. Specifies the Web authentication virtual IPv6 address. Default None. Command Mode Global Configuration Mode. Command Default Level Level: 12. Usage Guideline The virtual IP of Web authentication is just the characterization of the Web authentication function on the Switch. All Web authentication processes communicate with this IP address, however, the virtual IP does not respond to any ICMP packet or ARP request. So it's not allowed to configure virtual IP in the same subnet as the Switch's IP interface or the same subnet as the host PCs' subnet, otherwise the Web authentication cannot operate correctly. The defined URL only takes effect when the virtual IP address is configured. The users get the FQDN URL stored on the DNS server to get the virtual IP address. The obtained IP address must match the virtual IP address configured by the command. If the IPv4 virtual IP is not configured, the IPv4 access cannot start a Web authentication. If the IPv6 virtual IP is not configured, the IPv6 access cannot start a Web authentication. Example 666
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