Data Center Fabric Manager Professional User Manual v10.3.X (53-1001355-01, November 2009)

DCFM Professional User Manual 247

53-1001355-01

Adding an FCIP circuit

FCIP circuits are added by selecting the Add Circuit button on the Add FCIP Tunnel dialog box. The

Add FCIP Circuit dialog box is displayed (Figure 71).

FIGURE 71 Add FCIP Circuit dialog box

1. Select the GiGE Port used for the Ethernet connection on each switch. The choices available

depend on the extension switch or blade model.

2. Select the IP Address Type. IPv4 and IPv6 address formats cannot be mixed. Addresses must

be entered in the same format.

3. Select the IP Address for each port.

4. For IPv4 addresses, specify the Subnet Mask.

The default is created from the IP address and Subnet Mask. If you want to create a route

through a gateway router, click Create Non-Default Route, and select a Gateway address.

5. Enter the MTU Size.

For SAN traffic, the largest possible MTU (Maximum Transmission Unit) size is generally the

most efficient. If you have an active connection between switch one and switch two, click

Suggest under Switch One Settings. To determine a suggested size, packets are sent across

the FCIP tunnel, starting at the largest possible size packet that can be sent over IP. If a valid

connection response is not received, a smaller packet is sent. This continues until a valid

connection response is received, and that size becomes the suggested MTU. MTU settings

must match at both ends of the tunnel, and the setting specified under Switch One Settings is

automatically applied to switch two.