User guide

set forwarding
Chapter 2 Command Descriptions 121
icmpdiscovery={on|off}
on
Send and answer ICMP Router Discovery packets.
off
Do not send and answer ICMP Router Discovery packets.
The default is "off."
icmpsendredirects={on|off}
on
The device server sends ICMP redirect messages when it detects a
host is using a non-optimal route, such as when the host uses the
device server to route to a destination that can be reached more
efficiently using another router or when the destination host can be
reached directly (that is, without the services of any router).
off
Do not send ICMP redirect messages.
The default is "off."
icmpmaskserver={on|off}
on
Act as an ICMP mask server.
off
Do not act as an ICMP mask server.
The default is "off."
poisonreverse={on|off}
Specifies whether the "poisonreverse" option is on or off.
on
The "poisonreverse option is on. When this option is on, learned routes
are propagated over the same interface on which they are learned, but
the destination specified in those routes are advertised as
unreachable. The "splithorizon" option must be on if "poisonreverse" is
"on."
off
The "poisonreverse" option is "off."
The default is "off."