About nict

nict · 12-11-2024

I have to upgrade an C892SFP-K9. Current version is 15.3(3)M6 with ROM: System Bootstrap, Version 15.2(3r)XC, RELEASE SOFTWARE (fc1). Will I be able to upgrade directly to 15.8.3(M9)? Do I have to watchout for anything specific? I am not really famil...

nict · 11-30-2024

I've read the documentation Cisco 4000 Series ISRs Software Configuration Guide, Cisco IOS XE 17 which says "When you upgrade from Cisco IOS XE 3.x to 16.x image, you should first upgrade the rommon release to the 16.7(5r) rommon release. After upgra...

nict · 05-08-2024

Lately I've been working with 802.1x implementation, and to my knowledge a blackhole vlan is always a security best pratice for unused ports in general, but how about when we have 802.1x configured on a port? In my setup within ISE, policies are conf...

nict · 01-02-2025

Yes, but you properly don't hit that entry. Please do as M02@rt37 mentions show ip route vrf XXX-RFD 10.105.32.70 on R1".

nict · 01-02-2025

Hi, "next-hop is 10.105.32.70...." - Where do you get the IP from? Did you show the full route table? I would assume you confuse 10.105.32.x with 10.105.36.x.

nict · 12-11-2024

Hi Leo, Thank you for your reply. Unfortunately, I won’t have access to a unit on my desk, as I’ll be upgrading the router remotely for the customer. Using a console cable likely won’t be an option either. I noticed that Cisco’s software download p...

nict · 12-03-2024

@shambhu.kumar @Leo Laohoo Thank you so much for your responses - Much appreciated.

nict · 12-02-2024

@Leo Laohoo wrote:@nict wrote:Last week, I upgrade an ISR 1100 from 16.9.x to 17.12.x and I experienced the boot-loop-crash. There was no way to break into Rommon or boot up on the previous image on the ISRI found out about this "undocumented feature...

Member Since	‎07-31-2019 04:30 AM
Date Last Visited	‎04-23-2025 11:14 PM
Posts	49
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Help with C892SFP Upgrade Path

ISR 4431 from version 16.9.5 to 17.9.5?

802.1x - is Blackhole VLAN still best practice?

Re: Question about Null0 in route table

Re: Question about Null0 in route table

Re: Help with C892SFP Upgrade Path

Re: ISR 4431 from version 16.9.5 to 17.9.5?

Re: ISR 4431 from version 16.9.5 to 17.9.5?