No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>Search


To have a better experience, please upgrade your IE browser.

Knowledge Base

Solve the problem of external IP address of NAT SERVER is not static through ADSL dial-up access

Publication Date:  2012-09-17  |   Views:  609  |   Downloads:  0  |   Author:  h00228578  |   Document ID:  EKB1000014997


Issue Description

After clients do the ADSL dial-up, NAT SERVER is not effective because the IP address is not static.

Alarm Information


Handling Process

• Need: other versions of V100R003 can not use the interface as NAT SERVER. Upgrade to V100R003C01SPC700, problem solved.
• Upgraded version: V100R003C01SPC700
• Upgrading process
For the clients’ convenience, use WEB interface to upgrade,
Operation step:
Upgrade from version V100R003C01 to version V100R003C01SPC700 through Web, here follows the specific steps:
Step 1: In PC2, which is used as a “Browser”, log in USG2100 BSR/HSR through IE, the user name is admin, password is Admin@123;
Step 2: Select “System Management > Startup Information”, in “Upload System Software”, select “Upload And Replace The Current System Startup File”;
Step 3: Click “Browse” to select the upload system software;
Step 4: Click “Upload” to upload the system software.
During the upgrading process, please don’t cut off the power and don’t switch, refresh or shut off IE so that you can get the upgrade result in time.

Step 5: when it occurs “Upgrade Successfully”, the process is over.
Step 6: Restart the device, run the newly loaded host software automatically.
• Operation after upgrading
After upgrading, do the command line operation.
nat server protocol  tcp global interface dialer0 8850 inside 8850

Root Cause

The versions before V100R003C01SPC700 do not support the interface mapping.


Although the problem can be solved after upgrading to version V100R005, the compatibility of the same version is better.