Руководство Пользователя для Nortel 4000
Managing Remote Access Concentrators Using Annex Manager
Appendix A RAC Parameters
A-58
long
_break
allows a RAC to return a user to the CLI prompt after receiving a break signal
of more than two seconds. If you enter
of more than two seconds. If you enter
disabled
, the RAC passes the break to the
local application.
loose_source_route
controls the Loose Source Routing protocol, which defines a sequence of IP
addresses that a datagram must follow. You can select
addresses that a datagram must follow. You can select
enabled
or
disabled
. When
you select enable, the RAC:
•
Forwards IP packets that have the
Loose Source Routing and
Record
option set.
•
Forwards packets with the
Strict Source Routing and Record
option only if it can reach the next routing address directly.
•
Drops packets that do not have either setting and sends an
ICMP
ICMP
Destination Unreachable
message with a
Source Route Failed
code.
If you enter
disabled
, the RAC accepts packets with
Loose Source Routing and
Record
or
Strict Source Routing and Record
only when the RAC itself is the
destination. If it is not the destination, it drops these packets and sends the same
ICMP type message and code.
ICMP type message and code.
Loose source routing can be a security problem if you use filters on
your network router. If you are concerned with security, you should
set this parameter to
your network router. If you are concerned with security, you should
set this parameter to
disabled
.
Type
Async
Values
enabled or disabled
Default
enabled
Lists
Async Ports, Idle Timer
Type
RAC
Values
enabled or disabled
Default
enabled
Lists
RAC Only, Security