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тАО09-14-2007 02:09 AM
тАО09-14-2007 02:09 AM
HP ProCurve Switch 2650 - ARP not Working
Here is my config:
; J4899A Configuration Editor; Created on release #H.07.02
hostname "HP ProCurve Switch 2650"
snmp-server contact "Smooth Fusion Operations Team"
snmp-server location "The Planet - Dallas, TX"
cdp run
ip default-gateway XX.XX.199.3
snmp-server community "sfpublic" Operator
vlan 1
name "Optional"
untagged 1-46,49-50
ip address XX.XX.199.18 255.255.255.0
no untagged 47-48
exit
vlan 4
name "Eth5"
untagged 47-48
exit
password manager
password operator
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тАО09-14-2007 06:52 AM
тАО09-14-2007 06:52 AM
Re: HP ProCurve Switch 2650 - ARP not Working
Usually Spanning Tree topology changes will flush the arp and clear it upon building a new topology, so i suggest you check for any loops in your network.
One more thing, you have an (ancient) firmware and i suggest you enjoy the free firmware update that made alot of changes and major enhancements to this well known product.
Check this here:
http://www.hp.com/rnd/software/j49001038.htm
And maybe after updating to the new firmware your issue will be resolved.
Note: i saw that you are using CDP, and i think this won't run after updating to the new firmware, and you can use the LLDP instead.
Good Luck !!!
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тАО09-14-2007 07:58 AM
тАО09-14-2007 07:58 AM
Re: HP ProCurve Switch 2650 - ARP not Working
Thanks!
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тАО09-14-2007 07:59 AM
тАО09-14-2007 07:59 AM
Re: HP ProCurve Switch 2650 - ARP not Working
We were not using CDP so that should not be a problem.
I'll let you know if the problem gets resolved.
Thanks!
-Justin
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тАО09-14-2007 08:10 AM
тАО09-14-2007 08:10 AM
Re: HP ProCurve Switch 2650 - ARP not Working
The arp cache is only used when some station accesses the switch or vice versa. Spanning tree seems to be disabled as well so it wont cause any arp flushes.
Normal switching operation uses the mac table/cache which is something different (use show mac-address to display that).
You can check if it's mostly broadcast by looking at the port counters, there are different counters for uni/broad/multicast packets.
And even if it is broadcast traffic the arp/mac cache wont help anything - broadcasts are by definition broadcastet, i.e. flooded out all ports.
Hook up a sniffer (e.g. wireshark) to see which station sends those packets and which type those exactly are.
But as stated above, upgrading the firmware is recommended. Dont forget to read the info in the yellow boxes on the fw download page else you'll run into troubles.