Displaying And Maintaining Nat-Pt; Configuring The Maximum Number Of Sessions; Configuring The Tos/Traffic Class Field In A Packet After Nat-Pt - 3Com MSR 50 Series Configuration Manual

686 C 47: NAT-PT C
HAPTER
Configuring the
Maximum Number of
Sessions
Configuring the
ToS/Traffic Class Field in
a Packet After NAT-PT
Displaying and
Maintaining NAT-PT
ONFIGURATION
To do...
Configure the NAT-PT
session timeout time for
different protocol
packets
You can set the maximum number of concurrent sessions that the system allows.
When the number of concurrent sessions reaches the maximum number, no new
session will be established any longer.
Follow these steps to configure the maximum number of sessions:
To do...
Enter system view
Configure the maximum
number of NAT-PT sessions
You can set the ToS/Traffic Class field in packets after NAT-PT to 0 or to the value
of the corresponding Traffic Class/ToS field in packets before NAT-PT.
Follow these steps to set the ToS and Traffic Class fields in packets after NAT-PT:
To do...
Enter system view
Set the Traffic Class field in
IPv6 packets translated from
IPv4 packets to 0.
Set the ToS field in IPv4
packets translated from IPv6
packets to 0.
To do...
Display all NAT-PT configuration
information
Display the configuration
information of a NAT-PT address
pool
Display the static and dynamic
NAT-PT address mappings
Use the command...
natpt aging-time
{ default | { dns | finrst |
frag | icmp | syn | tcp |
udp } time-value }
Use the command...
system-view
natpt max-session
max-number
Use the command...
system-view
natpt turn-off traffic-class
natpt turn-off tos
Use the command...
display natpt all
display natpt
address-group
display natpt
address-mapping
Remarks
Required
The defaults are as follows:
10 seconds for a DNS packet,
5 seconds for a FINRST packet,
5 seconds for a FRAG packet,
20 seconds for a ICMP packet,
240 seconds for a SYN packet,
40 seconds for a UDP packet, and
86400 seconds for a TCP packet
Remarks
-
Required
2,048 by default
Remarks
-
Required
Same as that of the ToS field
in IPv4 packets by default.
Required
Same as that of the Traffic
Class field in IPv6 packets by
default.
Remarks
Available in any view
Available in any view
Available in any view