We have able to solve the problem:
Because on Nexus option 82 was disabled
"
Insertion of Option 82 is disabled"
We had to disable the option on the Aruba too
"
no dhcp-snoop option 82"
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Ronel Shahakui
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Original Message:
Sent: Dec 31, 2020 01:41 PM
From: Davide Poletto
Subject: Aruba 2930f dhcp-snooping
On the Aruba 2930F can you post the output of these two commands:
show dhcp-snooping
show dhcp-snooping binding
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Davide Poletto
Original Message:
Sent: Dec 31, 2020 01:22 PM
From: Ronel Shahakui
Subject: Aruba 2930f dhcp-snooping
The trk1 connect to catalyst 6500 who is the layer3 of the vlans.
Each interface vlan have an ip helper to the DHCP.
When i disabled the snooping, it's all working fine.
Original Message:
Sent: 12/31/2020 12:54:00 PM
From: parnassus
Subject: RE: Aruba 2930f dhcp-snooping
Have you considered to add dhcp-snooping authorized-server <ip-address-of-dhcp-server> command too? I mean you enabled DHCP Snooping on VLAN Id 1-1000 range and you trusted the trk1 interface where the DHCP Server is supposed to be reached through...this is OK but how was then configured the Switch where the DHCP server is directly connected to (if any)? is the IP Helper Address properly configured on each of your various VLANs (if/where required)?
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Davide Poletto
Original Message:
Sent: Dec 31, 2020 08:20 AM
From: Ronel Shahakui
Subject: Aruba 2930f dhcp-snooping
Hi
I had configured dhcp-snooping on my aruba 2930f switches like this:
dhcp-snooping
dhcp-snooping vlan 1-1000
inter trk1
dhcp-snooping trust
after run these lines the computers can't get dynamic-ip from the server.
The 2930f version is WC.16.10.0007
Thanks,
Ronel
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Ronel Shahakui
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