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Webex Calling - MPP の DHCP Option To Use の値を変更しても送信パケットに反映されない

2025 年 4 月 17 日 (初版) TAC SR Collection主な問題 MPP（Multiplatform Phone）のネットワーク設定＞ IPv4 アドレス設定と IPv6 アドレス設定内にある [使用する DHCPオプション]（DHCP Option To Use）から Option 125 を削除し保存しても、MPP から送出される DHCP Discover パケットに含まれるという事象が報告されています。その際、DHCP サーバ側が Option 125 に...

ISR 4321 NIM-1GE-CU-SFP Modules Stuck In Booting

I have 3 ISR 4321 routers that im using in a lab environment, all devices are on IOS 16.09.07. I recently bought 3 NIM-1GE-CU-SFP modules from eBay to use with these routers. On one of my 4321's, the NIM-1GE-CU-SFP modules will not load and are stuc...

Self-Service Onboarding: Oops! Something went wrong... Error

Hi. I am trying to follow the directions on getting access to the Smart Net Total Care Portal by doing the Self-Service Onboarding Process.When I submit my request to for my DA approval, i keep getting the following error. I have tried clearing cooki...

CML Response Time

Hi,there are too long response times from the CML Server (10.10.20.50, 10.10.20.161). Can you fix the problem please?Kind regards, Thomas

vBond

Just a basic question.How does vBond knows about the v-Smart and vManage Public IP address details ?vBond once authenticate the cEdges it provides with the v-Smart and v-Manage Public IP address details.But how come vBond knows about the v-Smart and ...

New Wi-Fi 7 AP 9172 chipset

Everyone, I am aware that the higher end Wi-Fi 7 AP modes have Qualcomm chipset. Any idea what chipset does the new Wi-Fi 7 AP 9172 have?

WiFi Usage Report

Hola,We have a 9800-40 WLC wherein more than 150 sites are configured.One of the sites has recently started facing WiFi slowness, and they would like to have a WiFI utilization report for the last one month. Can we download a report of this type from...

Catalyst 9200CX - 17.12.5 - dot1x supplicant controlled transient

I need to set up Catalyst 9200CX Compact switches as a 802.1X Supplicants for upstream Catalyst 9300L authenticator switches:I found out that the dot1x supplicant controlled transient command will keep the line protocol down (after physical link up) ...

Re: Cannot break to ROMmon because the no service password-recovery co

Hi all,I am facing bit strange issue here. I was able to issue to proceed factory default due to Password recovery but it didn't work as expected. See below it again went to boot loop mode <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<PASSWORD RECOVERY...

Catalyst 9500-48Y4C supports FEC?

Dear all, We have Cisco Catalyst 9500-48Y4C running firmware 17.09.04a. We are using 10G SR transceiver in the 25G port. I just want to confirm if it supports FEC? is it on by default, or not supported?

C9120AXP and AIR-ANT2513P4M-NS Compatibility

Folks, I'm having a hard time determining if the C9120AXP access point and the AIR-ANT2513P4M-NS are compatible. This is for an internal warehouse implementation. I see pages that specifically state the C9124AXP is compatible, but that's an external ...

Why do we keep fixing BGP with duct tape?

Why do we keep fixing BGP with duct tape? What if we could replace 7 extra layers... with just one smart layer? We all know BGP wasn’t designed for: Fast failure detection Route stability Real-time performance metrics Intelligent rerouting So we bui...

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Resource Connectors in Docker Containers

We are excited to announce the availability of Resource Connectors in Docker Containers for Secure Access! This new capability provides a cloud-agnostic solution for deploying Resource Connectors, allowing you to extend connectivity across various e...

3560X high CPU/Interrupts because of ICMP queue?

Hello, We've a 3560X switch which is using a lot of CPU (around 80-90% CPU) and 25-30% interrupts. Top 3 processes:175 1060646641 3649393632 0 16.13% 14.93% 14.93% 0 Hulc LED Process224 3956630454 3320689710 0 10.86% 10.97% 11.01% 0 IP Input13 249781...

Verify FMC/FTD SI rule is working

Hi team,Question around how to verify whether SI is actually dropping intended traffic.My understanding is that SI is processed BEFORE ACP is evaluated.When I run packet tracer against an IP that's included in one of the lists/feeds in /var/sf/iprep_...

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