Configuring Portal Detection Functions; Configuring Online Layer 3 Portal User Detection; Configuring The Portal Server Detection Function - HP A6600 Configuration Manual

Configuring portal detection functions

Configuring online Layer 3 portal user detection

Only Layer 3 portal authentication supports this feature.
Only the A6602 routers support this feature.
With online portal user detection enabled on an interface, the router periodically sends probe packets
(ARP requests) to the portal users of the interface to check whether the portal users are still online, to
discover portal users who get offline without logging off.
If the router receives a reply from a portal user before sending probe packets to the portal user for
•
the maximum number of times, it considers that the portal user is online and keeps sending probe
packets to the portal user.
If the router receives no reply from a portal user after sending probe packets to the portal user for
•
the maximum number of times, it considers that the portal user is offline, stops sending probe
packets to the portal user, and deletes the user.
To configure online Layer 3 portal user detection:
To do...
1. Enter system view.
2. Enter interface view.
3. Configure online Layer 3
portal user detection.
NOTE:
Adjust the maximum number of transmission attempts and the interval of sending probe packets
according to the actual network conditions.

Configuring the portal server detection function

Only Layer 3 portal authentication supports this feature.
During portal authentication, if the communication between the access device and portal server is
broken off, new portal users are not able to log on, and online portal users are not able to log off
normally. To address this problem, the access device needs to be able to detect the reachability changes
of the portal server quickly and take corresponding actions to deal with the changes. For example, once
detecting that the portal server is unreachable, the access device allows portal users to access network
resources without authentication. This function is referred to as "portal authentication bypass." It allows
for flexible user access control.
Command...
system-view
interface interface-type interface-
number
access-user detect type arp
retransmit number interval interval
135
Remarks
—
—
Required
Not configured by default