H3C Technologies H3C S12500 Series Switches - Manual (Page 34)

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Step Command Remarks
9. Enter physical IRF port view
or interface range view.
• Enter interface range view:
{
Method 1:
interface range { interface-type
interface-number [ to
interface-type
interface-number ] } &<1-5>
{
Method 2:
interface range name name
[ interface { interface-type
interface-number [ to
interface-type
interface-number ] } &<1-5> ]
• Enter interface view:
interface interface-type
interface-number
N/A
10. Bring up the port or ports. undo shutdown N/A
11. Return to system view. quit N/A
Enabling enhanced IRF mode in IRF mode
You can enable enhanced IRF mode in both standalone and IRF modes. To enable enhanced IRF mode
in IRF mode, you should follow these guidelines:
• Each member device must have two MPUs.
• The member devices must be in ring topology and have no relay device in between. See Figure 12
and Figure 13 .
• Connect every downstream device to each IRF member device and assign these links to one link
aggregation group. See
Figure 22 .
• If neither Layer 3 (route mode) Ethernet interfaces nor VPLS and MAC-in-MAC instances exist, you
can enable enhanced IRF mode directly.
• If Layer 3 Ethernet interfaces exist, you must first change them to Layer 2 (bridge mode) Ethernet
interfaces at the prompt.
• If VPLS or MAC-in-MAC instances exist but no Layer 3 Ethernet interfaces exist, you must first reboot
the device at the prompt.
For more information about Layer 3 Ethernet interfaces, see Interface Configuration Guide. For more
information about VPLS, see MPLS Configuration Guide. For more information about MAC-in-MAC, see
Layer 2—LAN Switching Configuration Guide.
• Use the save command to save the configuration after you enable the enhanced IRF mode.
• To successfully disable enhanced IRF mode with the undo irf mode enhanced command after you
enable it in IRF mode, make sure that the IRF fabric has only up to two member devices and each
member device has only one IRF port.
• To successfully merge IRF fabrics, make sure the enhanced IRF mode is enabled or disabled on
each of the IRF fabrics. IRF fabrics that use different enhanced IRF mode settings cannot merge into
one IRF fabric.
• If the enhanced IRF mode is used, you must reboot all but one member device to complete IRF
merge.