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тАО09-18-2008 06:25 AM
тАО09-18-2008 06:25 AM
How to use auto-edge-port?
In the newer Procurve software releases two new commands have been introduced for Spanning Tree, the auto-edge-port and admin-edge-port.
If I understand it correctly admin-edge-port means that I declare a port as "edge", and it would always go directly to forwarding.
And the auto-edge-port will try to detect if the port if a edge or switch-to-switch port. This seems to be the default for all ports.
My question is, do I need to change this settings for the links to other switches?
With the old "edge-port" command HP recommended that you did not use that on switch-to-switch ports, as it would increase the risk for temporary loops. What about the new command?
2 REPLIES 2
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тАО09-18-2008 04:14 PM
тАО09-18-2008 04:14 PM
Re: How to use auto-edge-port?
Hi Ric,
I have not seen customers modifying these settings in general. Most of the time, the auto-edge has worked well at identifying the port as an edge port or a non-edge port and passes spanning-tree BPDU's appropriately.
The two reasons I can think of that this is important is that you do not want topology change notifications being sent through the network when an edge port goes online/offline. Second, you do want switch to switch links passing BPDU's so that the spanning-tree path is agreed upon in the network and a switch/vlan is not orphaned in the network.
Hope that helps.
Regards,
Jarret
I have not seen customers modifying these settings in general. Most of the time, the auto-edge has worked well at identifying the port as an edge port or a non-edge port and passes spanning-tree BPDU's appropriately.
The two reasons I can think of that this is important is that you do not want topology change notifications being sent through the network when an edge port goes online/offline. Second, you do want switch to switch links passing BPDU's so that the spanning-tree path is agreed upon in the network and a switch/vlan is not orphaned in the network.
Hope that helps.
Regards,
Jarret
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тАО09-19-2008 11:45 PM
тАО09-19-2008 11:45 PM
Re: How to use auto-edge-port?
Hello RicN,
I get this hint from internet,
"Spanning-tree auto-edge-port: Supports the automatic identification of edge ports. The
port will look for BPDUs for 3 seconds; if there are none it begins forwarding packets. See
the chapter titled ├в Multiple Instance Spanning Tree Operation├в in the Advanced Traffic
Management Guide for your switch."
You can get the the0 "Advanced Traffic Management Guide" from internet ├в in case you didn't have already- and read more about it
Hope it helps & points are welcomed
Regards,
Jan
I get this hint from internet,
"Spanning-tree auto-edge-port: Supports the automatic identification of edge ports. The
port will look for BPDUs for 3 seconds; if there are none it begins forwarding packets. See
the chapter titled ├в Multiple Instance Spanning Tree Operation├в in the Advanced Traffic
Management Guide for your switch."
You can get the the0 "Advanced Traffic Management Guide" from internet ├в in case you didn't have already- and read more about it
Hope it helps & points are welcomed
Regards,
Jan
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