Default
None.
Command Mode
Global Configuration Mode.
Command Default Level
Level: 12.
Usage Guideline
The virtual IP of JWAC is just the characterization of the JWAC function on the switch. All JWAC
authentication processes communicate with this IP address, however, the virtual IP does not respond
to any ICMP packets or ARP requests. 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 JWAC
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 JWAC authentication. If the IPv6
virtual IP is not configured, the IPv6 access cannot start a JWAC authentication.
Example
This example shows how to configure the JWAC virtual IPv4 to be “1.1.1.1” and the FQDN URL to be
“www.web.co”.
Switch# configure terminal
Switch(config)# jwac virtual-ip ipv4 1.1.1.1
Switch(config)# jwac virtual-ip url www.web.co
Switch(config)#
This example shows how to configure the JWAC virtual IPv6 to be “2000::2” and the FQDN URL to be
“www.web.co”.
Switch# configure terminal
Switch(config)# jwac virtual-ip ipv6 2000::2
Switch(config)# jwac virtual-ip url www.web.co
Switch(config)#
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