About Bwilson13

Bwilson13 · 12-10-2025

Hello all,We recently encountered an issue demoing phones from HP Poly. These devices were added to an endpoint identity group in ISE associated with a policy to allow network access and they fail to get an IP address on closed ports. The RADIUS live...

Bwilson13 · 01-05-2023

Hello all,I have 6 users configured in CER for onsite alerts and each of them are configured with their internal DNs and personal business email address. I tried using a email distribution list in place of their business email and alert notifications...

Bwilson13 · 12-06-2022

Hello all,I've created a new script in UCCX which includes day of week and time of day step. I think that the logic is sound but looking for any guidance if it isn't? Also the Agent step has certain conditions based on the status of the agent (e.g., ...

Bwilson13 · 11-14-2022

Hello all,We've been experiencing random authentication failures after a scheduled weekly reboot script runs at 3 am EST on Sunday mornings. The Windows 10 clients are using the native supplicant are a combination of Lenovo small form factor desktops...

Bwilson13 · 05-14-2019

Good morning mobility community, I am trying to figure out the best way to prevent 11ac clients (Lenovo X1 carbon 6th gen running Windows 10 x64) from connecting to 802.11n on a specific SSID. I have enabled client band select on the SSID to make th...

Bwilson13 · 12-12-2025

All - It turned out to be the "voice domain permission" wasn't checked on a authorization profile that was set on an allow-list policy.Embarrassing..! But I'm thankful that the Cisco community has members that are all so willing to assist when it's ...

Bwilson13 · 12-12-2025

Hi Andy - We're not doing any dynamic VLAN assignments for IP phones. The access port is tagged with the voice VLAN, but your link to the HP post may prove useful with setting the VLAN discovery to a fixed VLAN.Thanks!Bruce

Bwilson13 · 12-12-2025

Hi Ben - The interface config for us is dot1x timeout tx-period 7 with max reauth set to 3.We have Cat 9300s running IOS XE 17.12.5 for our access layer. However, I'm testing on a lab 3850 running 16.12.5b.I'll try to adjust the dot1x timeout and see...

Bwilson13 · 12-11-2025

I placed a pre-auth ACL (allowing DHCP, DNS and ICMP) on the port where the Poly phone is connected and even changed the authentication order and priority again making MAB first, and the results on a closed port is the same. The Poly E450 does not ge...

Bwilson13 · 12-10-2025

Hi Arne - Unfortunately we're still using IBNS 1.0. It may just be something nuanced with the Poly IP phones in how they behave when they don't receive the initial DHCP offer. As soon as I place the port in authentication open and bounce the port, th...

Member Since	‎05-20-2011 10:23 AM
Date Last Visited	‎01-07-2026 12:58 PM
Posts	38
Total Helpful Votes Received	6

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IP phone endpoint not getting a DHCP offer on a closed port

CER 14 - Using email distribution list for onsite alerts

UCCX script logic using day of the week/time of day

802.1X failures sporadically for Windows 10 clients

11ac clients and daul band wireless environment

Re: IP phone endpoint not getting a DHCP offer on a closed port

Re: IP phone endpoint not getting a DHCP offer on a closed port

Re: IP phone endpoint not getting a DHCP offer on a closed port

Re: IP phone endpoint not getting a DHCP offer on a closed port

Re: IP phone endpoint not getting a DHCP offer on a closed port