180
FTP : Enabled
H323 : Disabled
ICMP-ERROR : Enabled
ILS : Disabled
MGCP : Disabled
NBT : Disabled
PPTP : Enabled
RTSP : Enabled
RSH : Disabled
SCCP : Disabled
SIP : Disabled
SQLNET : Disabled
TFTP : Disabled
XDMCP : Disabled
Static NAT load balancing: Disabled
# Display NAT session information generated when Client A accesses Client B.
[Router] display nat session verbose
Slot 1:
Initiator:
Source IP/port: 192.168.1.3/44929
Destination IP/port: 202.38.1.3/1
DS-Lite tunnel peer: -
VPN instance/VLAN ID/Inline ID: -/-/-
Protocol: UDP(17)
Inbound interface: GigabitEthernet2/0/1
Responder:
Source IP/port: 192.168.1.2/69
Destination IP/port: 202.38.1.3/1024
DS-Lite tunnel peer: -
VPN instance/VLAN ID/Inline ID: -/-/-
Protocol: UDP(17)
Inbound interface: GigabitEthernet2/0/1
State: UDP_READY
Application: TFTP
Start time: 2012-08-15 15:53:36 TTL: 46s
Initiator->Responder: 1 packets 56 bytes
Responder->Initiator: 1 packets 72 bytes
Total sessions found: 1
Twice NAT configuration example
Network requirements
As shown in Figure 72, two departments are in different VPN instances with overlapping addresses.
Configure twice NAT so that Host A and Host B in different departments can access each other.
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