About colossus1611

colossus1611 · 05-09-2025

Hi All, We accidentally used the C9800-40 17.12.5.bin file on C9800-CL model in Install mode. While the package got created, the upgrade failed for obvious reasons. We copied the right image once we realised our mistake, but now it doesn't let us cre...

colossus1611 · 05-16-2023

Hello Team, Quick query hopefully - AutoQoS settings on C9300 Switch port - I have below configured: interface GigabitEthernet6/0/19description Data-and-Voiceauto qos trust dscp-Output Truncated-service-policy input AutoQos-4.0-Trust-Dscp-Input-Polic...

colossus1611 · 10-21-2021

Hi All, Trying to wrap my head around this high priority issue that accidentally happened. I thought it was pretty safe practice to add a new vlan to existing trunk port by using the 'switchport trunk allowed vlan add <vlan>' command, however this br...

colossus1611 · 07-13-2021

Hi All, Have a peculiar issue with an eBGP session on a point to point link betwen two C9500 devices. This was working up until now and there has been no configuration change at either end. Now it keeps dropping off at 45 seconds. Other eBGP and iBGP...

colossus1611 · 07-01-2021

Hello, We have a couple of OCSP responder certificates expiring after 60 days. When I check the 'Issued by' column it has the name of one of the other node on it, which is the PAN. However, I am at a loss about how do I go further to renew it. There ...

colossus1611 · 05-13-2025

Hi All, I eventually did not have to rebuild the VM or break anything for that matter. With the N+1 solution in place, I simply followed Rich's advice above which cleared the corrupt database and allowed me to restart the upgrade process. Thank you...

colossus1611 · 05-10-2025

Attached is the output for show install summary and show ap image as requested.

colossus1611 · 05-09-2025

The APs predownload was done after we ran the install add file command without using activate at the end. We then did the predownload which means APs have got the 17.12.5 image for C9800-40 controller rather than the C9800-CL controller, isn't it? It...

colossus1611 · 05-18-2023

Why does it show 0 packets for some of these and doesn't even have bytes count? That's where it's not clear to me. Class-map: AutoQos-4.0-Output-Priority-Queue (match-any)0 packetsMatch: dscp cs4 (32) cs5 (40) ef (46)Match: cos 5Priority: 30% (300000...

colossus1611 · 10-21-2021

Need to bring out logs from Syslog with buffer overwritten to an extent, but I found below log message when I removed the newly added vlan and services restored: %SPANTREE-2-LOOPGUARD_UNBLOCK: Loop guard unblocking port Port-channel1

Member Since	‎03-07-2013 01:31 AM
Date Last Visited	‎05-09-2025 10:53 AM
Posts	98
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Installed C9800-40 bin file to C9800-CL in error. Need fix to upgrade.

Cisco 9300 Honoring MS Teams QoS Markings

9300 Switch access broke on adding new vlan to trunk uplink port

%BGP-3-BGP_NO_REMOTE_READ: x.x.x.x connection timed out - has not accepted a message from us for 45000ms (hold time)

ISE OCSP Responder Certificate expiring

Re: Installed C9800-40 bin file to C9800-CL in error. Need fix to upgr

Re: Installed C9800-40 bin file to C9800-CL in error. Need fix to upgr

Re: Installed C9800-40 bin file to C9800-CL in error. Need fix to upgr

Re: Cisco 9300 Honoring MS Teams QoS Markings

Re: 9300 Switch access broke on adding new vlan to trunk uplink port