Configuring Announcing Vlans And The Designated Vlan; Configuring Trill Timers - HP 5920 Series Configuration Manual

Step
5. Enter Layer 2 Ethernet
interface view or Layer 2
aggregate interface view.
6. Configure the link cost for the
TRILL port.
Configuring announcing VLANs and the
designated VLAN
The concepts and symbols used to describe a VLAN on a port are as follows:
• Enabled VLAN—A VLAN enabled on the port.
Forwarding VLAN—A VLAN for which the port is the appointed port.
•
∩ and ∪—Set operation symbols. ∩ indicates set-theoretic intersection, and ∪ indicates
•
set-theoretic union.
RBs send Hello frames in a set of VLANs. The VLAN set is calculated as follows:
DRB—Enabled VLANs ∩ (announcing VLANs ∪ designated VLAN).
•
Non-DRB—Enabled VLANs ∩ (designated VLAN ∪ (announcing VLANs ∩ forwarding VLANs)).
•
To prevent Hello frames from consuming an excessive amount of CPU resources, reduce the number of
announcing VLANs.
RBs use the designated VLAN to forward TRILL protocol frames (except Hello frames) and local data
frames. For RBs to establish adjacencies and forward TRILL data frames, make sure the designated VLAN
is an enabled VLAN.
To configure announcing VLANs and the designated VLAN:
Step
1. Enter system view.
2. Enter Layer 2 Ethernet
interface view or Layer 2
aggregate interface view.
3. Configure announcing
VLANs.
4. Configure the designated
VLAN.

Configuring TRILL timers

You can configure the following TRILL timers:
Command
interface interface-type
interface-number
trill cost value
Command
system-view
interface interface-type
interface-number
trill announcing-vlan { vlan-list | null }
trill designated-vlan vlan-id
12
Remarks
N/A
The default setting is 2000.
Remarks
N/A
N/A
By default, no announcing VLAN is
configured, and announcing
VLANs are enabled VLANs.
By default, no designated VLAN is
configured. The system
automatically selects an enabled
VLAN as the designated VLAN.