User Manual User guide

Rockwell Automation Publication 1783-UM004E-EN-P - June 2014 161
Manage the Switch via the Device Manager Web Interface Chapter 4
8. (Optional). To configure traffic permits and packet fixups, proceed to
Configure Traffic Permits and Fixups below.
9. On the NAT window, click Submit.
Configure Traffic Permits and Fixups
Use caution when configuring traffic permits and fixups. We recommend you use
the default values.
To configure traffic permits or fixups, follow these steps.
1. Click the Advanced tab.
Type Choose one of these values:
• Single—Translate a single address.
• Range—Translate a range of addresses.
• Subnet—Translate all of the addresses in the public subnet or a portion of the public subnet.
Range Type the number of addresses to translate. This field is available only if you choose Range in the Type field.
Valid values: 1…128
Default value = 1
IMPORTANT: Each address in the range counts as one translation entry. The switch supports a maximum of 128 translation entries.
Subnet Mask Type the subnet mask for the addresses to translate.
Valid values:
• Class B: 255.255.0.0
• Class C: 255.255.255.0
• Portion of Class C:
– 255.255.255.128 (provides 128 addresses per translation entry
– 255.255.255.192 (provides 64 addresses per translation entry
– 255.255.255.224 (provides 32 addresses per translation entry
– 255.255.255.240 (provides 16 addresses per translation entry)
Field Description