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layer3: Specifies cross-subnet authentication.
redhcp: Specifeis re-DHCP authentication.
Description
Use the portal server method command to enable Layer 3 portal authentication on an interface, and
specify the portal server and the authentication mode to be used.
Use the undo portal command to disable Layer 3 portal authentication on an interface.
By default, Layer 3 portal authentication is disabled on an interface.
The portal server to be referenced must exist.
For the local portal server, the re-DHCP authentication mode can be configured but does not take effect.
Related commands: display portal server.
Examples
# Enable Layer 3 portal authentication on interface VLAN-interface 100, referencing portal server pts and
setting the authentication mode to direct.
<Sysname> system-view
[Sysname] interface vlan-interface 100
[Sysname–Vlan-interface100] portal server pts method direct
portal server server-detect (available only on the A5500 EI)
Syntax
portal server server-name server-detect method { http | portal-heartbeat } * action { log | permit-all |
trap } * [ interval interval ] [ retry retries ]
undo portal server server-name server-detect
View
System view
Default level
2: System level
Parameters
server-name: Specifies the name of a portal server, a case-sensitive string of 1 to 32 characters. The
specified portal server must have existed.
server-detect method { http | portal-heartbeat }: Specifies the portal server detection method. Two
detection methods are available:
http: Probes HTTP connections. In this method, the access device periodically sends TCP connection
requests to the HTTP service port of the portal servers enabled on its interfaces. If the TCP connection
with a portal server can be established, the access device considers that the HTTP service of the
portal server is open and the portal server is reachable—the detection succeeds. If the TCP
connection cannot be established, the access device considers that the detection fails—the portal
server is unreachable. If a portal server does not support the portal server heartbeat function,
configure the device to use the HTTP probe method to detect the reachability of the portal server.
portal-heartbeat: Probes portal heartbeat packets. Portal servers periodically send portal heartbeat
packets to the access devices. If the access device receives a portal heartbeat packet from a portal
server within the specified interval, the access device considers that the probe succeeds and the
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