Enabling Trill; Configuration Restrictions And Guidelines - H3C S12500 Series Configuration Manual

Tasks at a glance
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Enabling TRILL

To enable TRILL on a port, first enable TRILL globally. After you enable TRILL on a port, TRILL can operate
correctly by using default settings. A port with TRILL enabled is called a TRILL port.

Configuration restrictions and guidelines

When you enable TRILL, follow these restrictions and guidelines:Enable or disable TRILL on all ports
•
in a VLAN, so that the ports in a VLAN have the same TRILL status (enabled or disabled).
• To avoid loops, shut down a port by using the shutdown command before you enable TRILL on the
port. After you enable TRILL on the port and assign it to a VLAN, bring up the port by using the undo
shutdown command.
Do not enable both TRILL and EVB on a port. The allowed VLAN list of a TRILL-enabled port cannot
•
overlap with that of an EVB-enabled port. For more information about EVB, see EVB Configuration
Guide.
When you set up a TRILL network, avoid the case that multiple TRILL neighbors are established for
•
one RB port, for example, the networks shown in
Figure 4
of an RB.
In Figure
transparently transmit the TRILL Hello frames from RB 3. As a result, two TRILL neighbors are
established for the port connecting RB 1 to RB 2.
Configuring the link type of a TRILL port
Configuring the DRB priority of a TRILL port
Configuring the link cost for a TRILL port
Configuring the announcing VLANs and designated VLAN
Configuring TRILL timers
Adjusting LSP parameters
Adjusting the SPF algorithm parameters
Configuring the TRILL unicast equal-cost routes
Configuring TRILL distribution trees
Enabling logging of TRILL neighbor changes
Configuring SNMP for TRILL
Configuring TRILL GR
shows a typical network where two TRILL neighbors are established for the same port
5, because TRILL is not enabled on the port connecting RB 2 to RB 3, the port will
Figure 4 and
6
Figure 5.