Nat Hairpin In C/S Mode Configuration Example - HP FlexNetwork MSR2003 Configuration Manual

Flexnetwork msr router series
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RSH
RTSP
SCCP
SIP
SQLNET
TFTP
XDMCP
# Display NAT session information generated when Host accesses the Web server.
[Router] display nat session verbose
Initiator:
Source
Destination IP/port: 202.38.1.2/8080
DS-Lite tunnel peer: -
VPN instance/VLAN ID/VLL ID: -/-/-
Protocol: TCP(6)
Inbound interface: GigabitEthernet2/0/2
Responder:
Source
Destination IP/port: 202.38.1.3/1025
DS-Lite tunnel peer: -
VPN instance/VLAN ID/VLL ID: -/-/-
Protocol: TCP(6)
Inbound interface: GigabitEthernet2/0/1
State: TCP_ESTABLISHED
Application: HTTP
Start time: 2012-08-15 14:53:29
Initiator->Responder:
Responder->Initiator:
Total sessions found: 1

NAT hairpin in C/S mode configuration example

Network requirements
As shown in
external users. The private network uses two public IP addresses 202.38.1.1 and 202.38.1.2.
Configure NAT hairpin in C/S mode to allow external and internal users to access the internal FTP
server by using public IP address 202.38.1.2.
: Enabled
: Enabled
: Enabled
: Enabled
: Enabled
: Enabled
: Enabled
IP/port: 192.168.1.2/1694
IP/port: 192.168.1.2/8080
Figure
69, the internal FTP server at 192.168.1.4/24 provides services for internal and
TTL: 3597s
7 packets
308 bytes
5 packets
312 bytes
156

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