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Enable RSTP portfast and flow control on my HP ProCurve 2910al-48G switch

 
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Occasional Visitor

Enable RSTP portfast and flow control on my HP ProCurve 2910al-48G switch

Hello,

 

I want to enable rstp portfast and flow control on my HP ProCurve 2910al-48G switch.

How do I do that?

 

Thanks.

6 REPLIES 6
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Trusted Contributor

Re: Enable RSTP portfast and flow control on my HP ProCurve 2910al-48G switch

Hi Jahl,

 

The following commands should help you...

 

   spanning-tree <port_num> admin-edge-port

 

That will set your port to "portfast".

 

   interface <port_num> flow-control

 

That will enable flow control.

 

HTH

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Don't forget to mark a post resolved if your question was answered.
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Occasional Visitor

Re: Enable RSTP portfast and flow control on my HP ProCurve 2910al-48G switch

Ok.

 

How will this affect the server that is using this port with iscsi disk?

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Trusted Contributor

Re: Enable RSTP portfast and flow control on my HP ProCurve 2910al-48G switch

Flow-Control should be enabled on iSCSI ports and it should also be set to admin-edge-port so spanning-tree won't block the port when it comes online, otherwise you will see performance degredation.

 

 

 

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Don't forget to mark a post resolved if your question was answered.
Occasional Visitor

Re: Enable RSTP portfast and flow control on my HP ProCurve 2910al-48G switch

Hi there.

I was seeking for the same information (portfast-like setting) and stumbled across this thread.

I configured it on one of our HP Procurve switches (2510 - J9279A) as follows:

 

spanning-tree
spanning-tree 3 admin-edge-port
spanning-tree 3 bpdu-protection
spanning-tree 4 admin-edge-port
spanning-tree 4 bpdu-protection
spanning-tree 5 admin-edge-port
spanning-tree 5 bpdu-protection
spanning-tree 6 admin-edge-port
spanning-tree 6 bpdu-protection
spanning-tree 7 admin-edge-port
spanning-tree 7 bpdu-protection
spanning-tree 8 admin-edge-port
spanning-tree 8 bpdu-protection
spanning-tree 9 admin-edge-port
spanning-tree 9 bpdu-protection
spanning-tree 10 admin-edge-port
spanning-tree 10 bpdu-protection
spanning-tree 11 admin-edge-port
spanning-tree 11 bpdu-protection
spanning-tree 12 admin-edge-port
spanning-tree 12 bpdu-protection
spanning-tree 13 admin-edge-port
spanning-tree 13 bpdu-protection
spanning-tree 14 admin-edge-port
spanning-tree 14 bpdu-protection
spanning-tree 15 admin-edge-port
spanning-tree 15 bpdu-protection
spanning-tree 16 admin-edge-port
spanning-tree 16 bpdu-protection
spanning-tree 17 admin-edge-port
spanning-tree 17 bpdu-protection
spanning-tree 18 admin-edge-port
spanning-tree 18 bpdu-protection
spanning-tree 19 admin-edge-port
spanning-tree 19 bpdu-protection
spanning-tree 20 admin-edge-port
spanning-tree 20 bpdu-protection
spanning-tree 21 admin-edge-port
spanning-tree 21 bpdu-protection
spanning-tree 22 admin-edge-port
spanning-tree 22 bpdu-protection
spanning-tree 23 admin-edge-port
spanning-tree 23 bpdu-protection
spanning-tree 24 admin-edge-port
spanning-tree 24 bpdu-protection
spanning-tree bpdu-protection-timeout 180 priority 0 force-version RSTP-operation

 

I was seeing those "annoying" log entries before configuring "admin-edge-port", like this:

 

I 06/18/15 09:33:45 ports: port 7 is now off-line
I 06/18/15 09:33:47 ports: port 7 is Blocked by STP
I 06/18/15 09:33:48 ports: port 7 is now off-line
I 06/18/15 09:33:51 ports: port 7 is Blocked by STP
I 06/18/15 09:33:53 ports: port 7 is now on-line
I 06/18/15 09:34:09 ports: port 7 is now off-line
I 06/18/15 09:34:12 ports: port 7 is Blocked by STP
I 06/18/15 09:34:14 ports: port 7 is now on-line
W 06/18/15 09:34:32 FFI: port 7-Excessive Broadcasts. See help.

 

Then I configured admin-edge-port, but I still see following:

 

I 06/18/15 10:04:17 ports: port 10 is now off-line
I 06/18/15 10:04:41 ports: port 10 is Blocked by STP
I 06/18/15 10:04:41 ports: port 10 is now on-line
I 06/18/15 10:04:43 ports: port 10 is now off-line
I 06/18/15 10:04:45 ports: port 10 is Blocked by STP
I 06/18/15 10:04:45 ports: port 10 is now on-line
W 06/18/15 10:05:01 FFI: port 10-Excessive CRC/alignment errors. See help.
I 06/18/15 10:39:12 ports: port 7 is now off-line
I 06/18/15 10:39:14 ports: port 7 is Blocked by STP
I 06/18/15 10:39:14 ports: port 7 is now on-line
I 06/18/15 10:39:15 ports: port 7 is now off-line

 

Could anybody help me in identifying the real issue here (if any at all exists)?

Thanks,

Flavio.

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Occasional Visitor

Re: Enable RSTP portfast and flow control on my HP ProCurve 2910al-48G switch

W 06/18/15 10:05:01 FFI: port 10-Excessive CRC/alignment errors. See help.

 

Meanning that You need to replace UTP cables.

Highlighted
Occasional Visitor

Re: Enable RSTP portfast and flow control on my HP ProCurve 2910al-48G switch

I disagree, the reason it is still showing in syslog or device log STP operational status for the respected

ports where linkfast was configured on an iterface because

the changes are not applied dynamically and one has to reload/reboot the switch IMHO.