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Community Activity

C9300L-4G シリーズスイッチのアップリンクポートがリンクアップしない

2025年1月7日 (初版) TAC SR Collection主な問題 C9300L-4G シリーズスイッチ (C9300L-24T-4G / C9300L-48T-4G / C9300L-24P-4G / C9300L-48P-4G / C9300L-48PF-4G) のアップリンクポートにて "speed nonegotiate" が設定され、対向機器で SFP モジュールやケーブルの抜き差しを実施する際に、C9300L-4G のアップリンクポートがリンクアップしない場合があります。...

Destination Host Unreachable

Good day, My teacher gave me an assignment to connect a PC to another PC, but every time I try to ping, it always says destination host unreachable. What steps have I possibly missed?And also, please give me advices if you have any!

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Webex App high memory / blue screening devices

Hello,Out of the blue the Webex app (CiscoCollabHost.exe) has begun using all the memory on some of our machines, then triggering a BSOD.Please see the attached screenshot as an example from one of our machines. We've tried updating to the latest ver...

SupaDupa by Community Member
  • 17 Views
  • 0 replies
  • 0 Helpful votes

5436 RADIUS packet already in the process

Hi, has anyone seen this before or offer any advice?Running ISE 3.4.068 with no patches installed.Lots of devices are no longer matching against my polcies. Occassionaly they will match like in the example below but they will then continue in the log...

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SVIs counters showing nil traffic for Cisco 4503 Switch

I have 2 pair of Cisco 4503 Switches, for which I am not able to see any live traffic on SVIs. Although there is no impact on the PROD. We need to monitor the SVIs traffic utilization in our NMS tool but SVI itself not showing any traffic counters in...

Resolved! I am trying to configure eigrp neighbors statically.

I have 3 routers and one switch in CML. I tried configuring eigrp neighbor statically but neighbor-ship is  not coming up. I don't know what I am missing here. R1 R1#sh running-config | section eigrp router eigrp 1neighbor 10.1.1.2 GigabitEthernet0/0...

maasifan by Cisco Employee
  • 25 Views
  • 2 replies
  • 0 Helpful votes

wireless client disconnection.

Hello All,wlc 9800, ap 9130/Ap mode -flex.user authetication :802.1x, user facing frequent disconnection, post checking the logs in dnac it showing error for all the users, disconnection is intermittent and random users facing the issue. Anjana

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Anjana A by Level 1
  • 79 Views
  • 3 replies
  • 0 Helpful votes

Adding new interface to Portchannel in N9K

Hello,We are planning to add new interfaces to the existing Port channels (vPC)configured on Nexus 9508 switches.Will there be any production impact on the port channel if there is an addition of new interfaces. Will the entire Portchannel will flap?...