R3303-HP HSR6800 Routers Security Configuration Guide

41
Ste
p
Command Remarks
4. Enable buffering of
stop-accounting requests to
which no responses are
received.
stop-accounting-buffer enable
Optional.
Enabled by default.
5. Set the maximum number of
stop-accounting attempts.
retry stop-accounting retry-times
Optional.
The default setting is 100.
You can remove an accounting server only when no active TCP connection for sending accounting
packets is using it.
Specifying the shared keys for secure HWTACACS communication
The HWTACACS client and HWTACACS server use the MD5 algorithm and a shared key pair for
password encryption.
To specify a shared key for secure HWTACACS communication:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter HWTACACS scheme
view.
hwtacacs scheme
hwtacacs-scheme-name
N/A
3. Specify a shared key for
secure HWTACACS
authentication, authorization,
or accounting
communication.
key { accounting | authentication |
authorization } [ cipher | simple ]
key
By default, no shared key is
specified.
In FIPS mode, the shared key must
be a string of at least 8 characters
that contain numbers, uppercase
letters, lowercase letters, and
special characters.
The shared key configured on the
device must be the same as that
configured on the HWTACACS
server.
Specifying a VPN for the HWTACACS scheme
You can specify a VPN for all the AAA servers in an HWTACACS scheme. However, the VPN has a
lower priority than those configured for individual HWTACACS servers.
To specify a VPN for an HWTACACS scheme:
Ste
p
Command
1. Enter system view.
system-view
2. Enter HWTACACS scheme view.
hwtacacs scheme hwtacacs-scheme-name
3. Specify a VPN for the HWTACACS scheme.
vpn-instance vpn-instance-name
Setting the username format and traffic statistics units
A username is usually in the format userid@isp-name, where isp-name represents the user's ISP domain
name. By default, the ISP domain name is included in a username; however, some HWTACACS servers