Alcatel-Lucent 6850-48 Guida Di Rete
Application Examples
Configuring Dynamic Link Aggregation
page 23-30
OmniSwitch AOS Release 6 Network Configuration Guide
September 2009
Link Aggregation and Spanning Tree Example
, VLAN 10, which uses the Spanning Tree Protocol (STP) with a
priority of 15, has been configured to use dynamic aggregate group 7. The actual physical links connect
ports 3/9 and 3/10 on Switch A to ports 1/1 and 1/2 on Switch B. Follow the steps below to configure this
network:
ports 3/9 and 3/10 on Switch A to ports 1/1 and 1/2 on Switch B. Follow the steps below to configure this
network:
Note. Only the steps to configure the local (i.e., Switch A) are provided here since the steps to configure
the remote (i.e., Switch B) would not be significantly different.
the remote (i.e., Switch B) would not be significantly different.
1 Configure dynamic aggregate group 5 by entering:
-> lacp linkagg 5 size 2
2 Configure ports 5/5 and 5/6 with the same actor administrative key (5) by entering:
-> lacp agg 3/9 actor admin key 5
-> lacp agg 3/10 actor admin key 5
3 Create VLAN 10 by entering:
-> vlan 10
4 If the Spanning Tree Protocol (STP) has been disabled on this VLAN (STP is enabled by default),
enable it on VLAN 10 by entering:
enable it on VLAN 10 by entering:
-> vlan 10 stp enable
Note. Optional. Use the
to display other STP parameters. For example:
-> show spantree 10 ports
Spanning Tree Port Summary for Vlan 10
Adm
Oper Man.
Path
Desig
Fw
Prim. Adm Op
Port
Pri
St
St
mode
Cost
Cost
Role
Tx
Port
Cnx Cnx Desig Bridge ID
-----+---+---+----+----+-----+-----+----+---+-----+---+---+---------------------
3/13
7
ENA
FORW No
100
0
DESG
1
3/13
EDG NPT 000A-00:d0:95:6b:0a:c0
2/10
7
ENA
FORW No
19
0
DESG
1
2/10
PTP PTP 000A-00:d0:95:6b:0a:c0
5/2
7
ENA
DIS
No
0
0
DIS
0
5/2
EDG NPT 0000-00:00:00:00:00:00
0/5
7
ENA
FORW No
4
0
DESG
1
0/10
PTP PTP 000A-00:d0:95:6b:0a:c0
In the example above the link aggregation group is indicated by the “0” for the slot number.
5 Configure VLAN 10 (which uses dynamic aggregate group 5) to the highest (15) priority possible by
entering:
entering:
-> bridge 10 5 mode priority 15
6 Repeat steps 1 through 5 on Switch B. All the commands would be the same except you would substi-
tute the appropriate port numbers.
tute the appropriate port numbers.