292 Rockwell Automation Publication 1783-UM007G-EN-P - February 2017
Chapter 7 Configure Switch Features
7. Configure translations for one device, a range of devices, or all devices
on a subnet.
Field Description
Device Location Choose the type of network on which the device resides:
• Private Network
• Public Network
Private IP Address Specify a private IP address.
Single translations:
• If the device is on a private network, type the existing address for the device.
• If the device is on a public network, type a unique address to represent the device on the private network.
Range translations:
• If the devices are on a private network, type the existing starting address for the devices.
• If the devices are on a public network, type a unique starting address to represent the devices on the private network.
Subnet translations:
• If the devices are on a private subnet, type the existing starting address for the devices.
• If the devices are on a public subnet, type a unique starting address to represent the devices on the private subnet.
Subnet addresses must correspond to the size of the subnet mask to translate. See
Table 74 on page 293.
Public IP Address Specify a public IP address.
Single translations:
• If the device is on a private network, type a unique address to represent the device on the public network.
• If the device is on a public network, type the existing address for the device.
Range translations:
• If the devices are on a private network, type a unique starting address to represent the devices on the public subnet.
• If the devices are on a public network, type the existing starting address for the devices on the public subnet.
Subnet translations:
• If the devices are on a private subnet, type a unique starting address to represent the devices on the private network.
• If the devices are on a public subnet, type the existing starting address for the devices.
Subnet addresses must correspond to the size of the subnet mask to translate. See
Table 74 on page 293.
Type Choose a translation type:
• Single—Translates one address.
• Range—Translates a range of addresses.
• Subnet—Translates all or a portion of addresses on a subnet.
Count (Range translation types only). Choose the number of addresses to include in the range.
Valid values: 2…128
IMPORTANT: Each address in a range counts as one translation entry:
• Port ranges Gi1/1…Gi1/6 and Gi1/13…Gi1/18 can include a combined maximum of 128 translation entries.
• Port ranges Gi1/7…Gi1/12, Gi1/19…Gi1/24, and Te1/25…Te1/28 can include a combined maximum of 128 translation
entries.
Subnet Mask (Subnet translation types only). Choose 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)
IMPORTANT: Each subnet mask counts as one translation entry:
• Port ranges Gi1/1…Gi1/6 and Gi1/13…Gi1/18 can include a combined maximum of 128 translation entries.
• Port ranges Gi1/7…Gi1/12, Gi1/19…Gi1/24, and Te1/25…Te1/28 can include a combined maximum of 128 translation
entries.
Delete Click to delete the translation entry.
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