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• When you set up a TRILL network, avoid the case that multiple TRILL neighbors are established for
one RB port. When you plan a network, avoid the networks shown in Figure 5 and Figure 6.
{ Figure 5 shows a typical network where two TRILL neighbors are established for the same port
of an RB.
{ In Figure 6, because TRILL is not enabled on the port connecting RB 2 to RB 3, the port will
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.
Figure 5 Two TRILL neighbors are established for a port (1)
Figure 6 Two TRILL neighbors are established for a port (2)
Configuration procedure
To enable TRILL:
Step Command Remarks
1. Enter system view.
system-view N/A
2. Enable TRILL globally
and enter TRILL view.
trill By default, TRILL is disabled globally.
3. Return to system view.
quit N/A
4. Enter Layer 2 Ethernet
or aggregate interface
view.
interface interface-type
interface-number
N/A
5. Enable TRILL on the
port.
trill enable By default, TRILL is disabled on a port.
Traditional Ethernet
switch
RB 1
RB 2 RB 3
TRILL enabled port
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