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тАО07-06-2006 12:55 PM
тАО07-06-2006 12:55 PM
Re: DHCP request problem with VLAN/ACL
This is unrelated to the current issue, but with MSTP you should define workstations as edge-ports:
spanning-tree edge-port
Otherwise everytime a PC gets rebooted, it will cause a topology change which can decrease performance on your network. Right now you're seeing a significant amount of topology changes. Also make sure to update the 2600's firmware.
Back to the current issue, have you been able to verify if the DHCP requests are coming through to the DHCP server from different VLANs by running ethereal on it or something?
By the sounds of it they are not, if you haven't done already so I think now is the time for a reboot of that switch - everything else seems to be right from what I can see.
spanning-tree edge-port
Otherwise everytime a PC gets rebooted, it will cause a topology change which can decrease performance on your network. Right now you're seeing a significant amount of topology changes. Also make sure to update the 2600's firmware.
Back to the current issue, have you been able to verify if the DHCP requests are coming through to the DHCP server from different VLANs by running ethereal on it or something?
By the sounds of it they are not, if you haven't done already so I think now is the time for a reboot of that switch - everything else seems to be right from what I can see.
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тАО07-06-2006 08:16 PM
тАО07-06-2006 08:16 PM
Re: DHCP request problem with VLAN/ACL
> spanning-tree edge-port
> Right now you're seeing a significant amount of topology changes.
Thanks for the advice
>Also make sure to update the 2600's firmware.
All switches are at the latest firmware H_08_98 (2626) and K_11_33 (5400)
> Back to the current issue, have you been able to verify if the DHCP requests are coming through to the DHCP server from different VLANs by running ethereal on it or somethingg
I will reboot all switches this weekend and see what happens next week
> Right now you're seeing a significant amount of topology changes.
Thanks for the advice
>Also make sure to update the 2600's firmware.
All switches are at the latest firmware H_08_98 (2626) and K_11_33 (5400)
> Back to the current issue, have you been able to verify if the DHCP requests are coming through to the DHCP server from different VLANs by running ethereal on it or somethingg
I will reboot all switches this weekend and see what happens next week
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тАО07-18-2006 10:15 PM
тАО07-18-2006 10:15 PM
Re: DHCP request problem with VLAN/ACL
The problem has been resolved by reconfiguring MSTP and the network reboot
The reboot made a hot ipconfig/renew action work, changing edge port to Yes made a cold ipconfig/renew action work as well.
Thanks for the support!
The reboot made a hot ipconfig/renew action work, changing edge port to Yes made a cold ipconfig/renew action work as well.
Thanks for the support!
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тАО11-27-2006 01:18 AM
тАО11-27-2006 01:18 AM
Re: DHCP request problem with VLAN/ACL
I had exactly the same problem last week on a 5412zl chassis.
dhcp relay didn't work, didn't knew why.
reboot of the switch solved it.
dhcp relay didn't work, didn't knew why.
reboot of the switch solved it.
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