3Com MSR 50 Network Router User Manual


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2038 CHAPTER 133: NAT CONFIGURATION COMMANDS
[Sysname-vpn-instance] quit
[Sysname] interface serial 1/0
[Sysname-Serial1/0] nat server vpn-instance vrf10 protocol tcp globa
l 202.110.10.10 inside 10.110.10.11
# Specify a host with an IP address of 10.110.10.12 in VPN vrf10. An external host
pings 202.110.10.11 to examine the connectivity to the host.
<Sysname> system-view
[Sysname] interface serial 1/0
[Sysname-Serial1/0] nat server vpn-instance vrf10 protocol icmp glob
al 202.110.10.11 inside 10.110.10.12
# Specify the external IP address as 202.110.10.10. Telnet the hosts which IP
addresses range from 10.110.10.1 to 10.110.10.100 in MPLS VPN vrf10 through
the ports ranging from 1001 to 1100, for example, telnet 10.110.10.1 from
202.110.10.10:1001, telnet 10.110.10.2 from 202.110.10.10:1002 and so on.
<Sysname> system-view
[Sysname] interface serial 1/0
[Sysname-Serial1/0] nat server vpn-instance vrf10 protocol tcp globa
l 202.110.10.10 1001 1100 inside 10.110.10.1 10.110.10.100 telnet
# Remove the WWW server using the following commands.
<Sysname> system-view
[Sysname] interface serial 1/0
[Sysname-Serial1/0] undo nat server protocol tcp global 202.110.10.1
0 8070 inside 10.110.10.10 www
# Remove the FTP server in VPN vrf10 using the following commands.
<Sysname> system-view
[Sysname] interface serial 1/0
[Sysname-Serial1/0] undo nat server vpn-instance vrf10 protocol tcp
global 202.110.10.11 8070 inside 10.110.10.11 ftp
nat static
Syntax nat static { ip-address1 ip-address2 | net-to-net start-ip end-ip global
global-net-address { mask | mask-length }}
undo nat static { ip-address1 ip-address2 | net-to-net start-ip end-ip global
global-net-address { mask | mask-length }}
View System view
Parameter ip-address1: Internal IP address.
ip-address2: External IP address.
net-to-net: Specifies static translation for network segment mapping.
start-ip: Start address of an internal IP address range.