HP Hewlett Packard Switch 2512 User Manual

Dynamic LACP Trunking  
The example configurations below provide dynamic trunking between two HP Procurve Series 2500  
Switches (Switch A and Switch B) using LACP (802.3ad) as the trunking protocol.  
Another benefit, besides dynamic trunk formation, of an LACP trunk is port redundancy. If one of  
the operational ports fails then one of the redundant "standby" ports becomes operational without  
any user intervention.  
To create a dynamic LACP trunk, configure ports at one end of the link to be LACP active - and  
ensure that LACP is enabled at the other end.  
Switch A is configured to provide six LACP active ports. Since the Series 2500 Switches support  
one trunk group of up to four ports, the other two ports will be redundant "standby" ports.  
Switch B is in its default configuration. As stated above for a dynamic LACP trunk, once one end of  
the link is configured for LACP active, the only other requirement is that the port at the other end of  
the link must have LACP enabled. Since the Series 2500 Switches have LACP enabled by default,  
there is no need to modify Switch B from its default configuration.  
This configuration example applies to the following products:  
J4812A HP Procurve Switch 2512  
J4813A HP Procurve Switch 2524  
©Copyright Hewlett-Packard Company, 2000.  
All rights reserved.  
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CONFIGURATION COMMANDS: (created on software version F.01.07)  
Switch A  
HP ProCurve Switch 2524# erase start  
Configuration will be deleted and device rebooted, continue [y/n]? y  
HP ProCurve Switch 2524# config t  
HP ProCurve Switch 2524(config)# hostname Switch_A  
Switch_A(config)# int e 1-2,5-6,13,17 lacp active  
Switch_A(config)# wr mem  
Switch_A(config)# end  
CONFIGURATION COMMANDS: (created on software version F.01.07)  
Switch B  
None. This switch is left in default configuration (LACP passive on all ports).  
RESULTING CONFIGURATION:  
Switch A  
Switch_A# sh config  
IN-FLASH CONFIGURATION  
; J4813A Configuration Editor; Created on release #F.01.07  
time daylight-time-rule None  
hostname "Switch_A"  
interface 1  
lacp Active  
exit  
interface 2  
lacp Active  
exit  
interface 5  
lacp Active  
exit  
interface 6  
lacp Active  
exit  
interface 13  
lacp Active  
exit  
interface 17  
lacp Active  
exit  
ip timep dhcp  
snmp-server community "public" Unrestricted  
vlan 1  
name "DEFAULT_VLAN"  
untagged 1-26,Dyn1  
ip address dhcp-bootp  
exit  
©Copyright Hewlett-Packard Company, 2000.  
All rights reserved.  
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RESULTING CONFIGURATION:  
Switch B (Default configuration.)  
HP ProCurve Switch 2524# sh config  
IN-FLASH CONFIGURATION  
; J4813A Configuration Editor; Created on release #F.01.07  
time daylight-time-rule None  
hostname "HP ProCurve Switch 2524"  
ip timep dhcp  
snmp-server community "public" Unrestricted  
vlan 1  
name "DEFAULT_VLAN"  
untagged 1-26,Dyn1  
ip address dhcp-bootp  
exit  
VERIFICATION COMMANDS:  
The following CLI commands can be used to display LACP information:  
show lacp  
show log lacp  
Switch_A# sh lacp  
LACP  
PORT LACP  
TRUNK  
PORT  
STATUS  
LACP  
LACP  
NUMB ENABLED GROUP  
PARTNER STATUS  
---- ------- ------- ------- ------- -------  
1
Active  
Active  
Passive 3  
Passive 4  
Active  
Active  
Dyn1  
Dyn1  
Up  
Yes  
Yes  
No  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
2
Up  
3
Down  
Down  
Up  
4
No  
5
Dyn1  
Dyn1  
Yes  
Yes  
No  
6
Up  
7
Passive 7  
Passive 8  
Passive 9  
Passive 10  
Passive 11  
Passive 12  
Down  
Down  
Down  
Down  
Down  
Down  
8
No  
9
No  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
No  
No  
No  
Active  
Dyn1  
Standby Yes  
Passive 14  
Passive 15  
Passive 16  
Down  
Down  
Down  
No  
No  
No  
Active  
Dyn1  
Standby Yes  
Passive 18  
Passive 19  
Passive 20  
Passive 21  
Passive 22  
Passive 23  
Passive 24  
Passive 25  
Passive 26  
Down  
Down  
Down  
Down  
Down  
Down  
Down  
Down  
Down  
No  
No  
No  
No  
No  
No  
No  
No  
No  
©Copyright Hewlett-Packard Company, 2000.  
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HP ProCurve Switch 2524# sh lacp  
LACP  
PORT LACP  
TRUNK  
PORT  
LACP  
LACP  
NUMB ENABLED GROUP  
STATUS  
PARTNER STATUS  
---- ------- ------- ------- ------- -------  
1
Passive 1  
Down  
Down  
Down  
Down  
Down  
Down  
Up  
No  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
Success  
2
Passive 2  
No  
3
Passive 3  
No  
4
Passive 4  
No  
5
Passive 5  
No  
6
Passive 6  
No  
7
Passive Dyn1  
Passive Dyn1  
Passive 9  
Yes  
Yes  
No  
8
Up  
9
Down  
Down  
Up  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
Passive 10  
Passive Dyn1  
Passive Dyn1  
Passive 13  
Passive 14  
Passive 15  
Passive 16  
Passive 17  
Passive 18  
Passive Dyn1  
Passive 20  
Passive 21  
Passive 22  
Passive Dyn1  
Passive 24  
Passive 25  
Passive 26  
No  
Yes  
Yes  
No  
Up  
Down  
Down  
Down  
Down  
Down  
Down  
No  
No  
No  
No  
No  
Standby Yes  
Down  
Down  
Down  
No  
No  
No  
Standby Yes  
Down  
Down  
Down  
No  
No  
No  
Switch_A# sh log lacp  
Keys: W=Warning I=Information  
M=Major D=Debug  
---- Event Log listing: Events Since Boot ----  
I 01/01/90 00:00:09 lacp: Passive Dynamic LACP enabled on all ports  
I 01/01/90 00:00:22 lacp: Port 1 is blocked - negotiation  
I 01/01/90 00:00:22 lacp: Port 2 is blocked - negotiation  
I 01/01/90 00:00:22 lacp: Port 5 is blocked - negotiation  
I 01/01/90 00:00:22 lacp: Port 6 is blocked - negotiation  
I 01/01/90 00:00:22 lacp: Port 13 is blocked - negotiation  
I 01/01/90 00:00:22 lacp: Port 17 is blocked - negotiation  
I 01/01/90 00:00:26 lacp: Port 13 is moved to trunk Dyn1  
I 01/01/90 00:00:26 lacp: Port 17 is moved to trunk Dyn1  
I 01/01/90 00:00:27 lacp: Dynamic LACP trunk Dyn1 is now on-line  
I 01/01/90 00:00:28 lacp: Port 1 is moved to trunk Dyn1  
I 01/01/90 00:00:29 lacp: Port 2 is moved to trunk Dyn1  
I 01/01/90 00:00:30 lacp: Port 5 is moved to trunk Dyn1  
I 01/01/90 00:00:30 lacp: Port 17 is blocked - re-negotiation  
I 01/01/90 00:00:30 lacp: Port 6 is moved to trunk Dyn1  
I 01/01/90 00:00:30 lacp: Port 13 is blocked - re-negotiation  
I 01/01/90 00:00:34 lacp: Port 17 is blocked - negotiation  
I 01/01/90 00:00:35 lacp: Port 17 is moved to trunk Dyn1  
I 01/01/90 00:00:35 lacp: Port 13 is blocked - negotiation  
I 01/01/90 00:00:36 lacp: Port 13 is moved to trunk Dyn1  
---- Bottom of Log : Events Listed = 20 ----  
©Copyright Hewlett-Packard Company, 2000.  
All rights reserved.  
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HP ProCurve Switch 2524# sh log lacp  
Keys: W=Warning I=Information  
M=Major  
D=Debug  
---- Event Log listing: Events Since Boot ----  
I 01/01/90 00:00:09 lacp: Passive Dynamic LACP enabled on all ports  
I 01/01/90 00:00:19 lacp: Port 7 is blocked - negotiation  
I 01/01/90 00:00:19 lacp: Port 8 is blocked - negotiation  
I 01/01/90 00:00:19 lacp: Port 11 is blocked - negotiation  
I 01/01/90 00:00:19 lacp: Port 12 is blocked - negotiation  
I 01/01/90 00:00:19 lacp: Port 19 is blocked - negotiation  
I 01/01/90 00:00:19 lacp: Port 23 is blocked - negotiation  
I 01/01/90 00:00:20 lacp: Port 7 is moved to trunk Dyn1  
I 01/01/90 00:00:20 lacp: Port 8 is moved to trunk Dyn1  
I 01/01/90 00:00:21 lacp: Dynamic LACP trunk Dyn1 is now on-line  
I 01/01/90 00:00:22 lacp: Port 11 is moved to trunk Dyn1  
I 01/01/90 00:00:23 lacp: Port 12 is moved to trunk Dyn1  
I 01/01/90 00:00:23 lacp: Port 19 is moved to trunk Dyn1  
I 01/01/90 00:00:23 lacp: Port 23 is moved to trunk Dyn1  
I 01/01/90 00:00:31 lacp: Port 23 is blocked - negotiation  
I 01/01/90 00:00:31 lacp: Port 23 is moved to trunk Dyn1  
I 01/01/90 00:00:32 lacp: Port 19 is blocked - negotiation  
I 01/01/90 00:00:32 lacp: Port 19 is moved to trunk Dyn1  
---- Bottom of Log : Events Listed = 18 ----  
©Copyright Hewlett-Packard Company, 2000.  
All rights reserved.  
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