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ï‚¡ In re-DHCP mode, the access device regards the authentication source subnet on an
interface as the subnet to which the private IP address of the interface belongs.
• If both authentication source subnets and destination subnets are configured on an interface,
only the authentication destination subnets take effect.
• You can configure multiple authentication source subnets. If the source subnets overlap, the
subnet with the largest address scope (with the smallest mask or prefix) takes effect.
To configure an IPv4 portal authentication source subnet:
1. Enter system view.
system-view
N/A
2. Enter interface view.
interface
interface-type
interface-number
N/A
3.
Configure an IPv4 portal
authentication source
subnet.
portal layer3 source
ipv4-network-address
{ mask-length | mask }
By default, no IPv4 portal
authentication source subnet is
configured, and users from any
subnets must pass portal
authentication.
To configure an IPv6 portal authentication source subnet:
1. Enter system view.
N/A
2. Enter interface view.
interface
interface-type
interface-number
N/A
3.
Configure an IPv6 portal
authentication source
subnet.
portal ipv6 layer3 source
ipv6-network-address
prefix-length
By default, no IPv6 portal
authentication source
configured, and IPv6 users from
any subnets must pass portal
authentication.
Configuring an authentication destination subnet
By configuring authentication destination subnets, you specify that users trigger portal authentication
only when they accessing the specified subnets (excluding the destination IP addresses and subnets
specified in portal-free rules). Users can access other subnets without portal authentication.
If both authentication source subnets and destination subnets are configured on an interface, only
the authentication destination subnets take effect.
You can configure multiple authentication destination subnets. If the destination subnets overlap, the
subnet with the largest address scope (with the smallest mask or prefix) takes effect.
To configure an IPv4 portal authentication destination subnet:
1. Enter system view.
system-view
N/A
2. Enter interface view.
interface
interface-type
interface-number
N/A
3.
portal authentication
destination subnet.
portal free-all except destination
ipv4-network-address { mask-length |
mask }
By default, no IPv4 portal
authentication destination subnet is
configured, and users accessing
any subnets must pass portal
authentication.
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