About brandonbittinger

brandonbittinger · 11-14-2023

Hello all,I have encountered a strange issue recently and I am running out of troubleshooting steps and hoping to get some fresh ideas or find somebody else who had a similar issue.Topology: Access Switch (Cisco Cat9300) > Distribution Switches (vPC ...

brandonbittinger · 11-18-2021

Our service provider installed a Champion One 1000SFP10 in there equipment as the handoff for us to plug our fiber into. I am not able to find exactly what Ethernet standard the transceiver uses. When I look at the datasheet it simply states a wavele...

brandonbittinger · 03-27-2020

We recently migrated our firewall to a Firepower 1140 that is managed by a Firepower Management Center. I configured the Remote Access VPN to mirror our configuration on our old ASA and everything is for the most part working. Ont he ASA I was able t...

brandonbittinger · 09-10-2019

I recently purchased 3 of the new Firepower 1010. I an using the device up using the on box management, Firepower Device Manager (FDM), to configure the firewalls. I currently don't have enough FMC licenses to connect the firewalls to FMC at this tim...

brandonbittinger · 02-12-2019

Hello all, I am looking to implement 802.1x on our switch ports to ensure that only devices we own are able to connect to the network. We have a CA server and it is pushing out a certificate to every machine in the organization so that step us alrea...

brandonbittinger · 11-14-2023

Here is the output from the Nexus that is connected to the Cat9300 access switch for the show spanning tree and show port-channel summary:Distribution Nexus: show spanning-tree VLAN0001 Spanning tree enabled protocol rstp Root ID Priority 409...

brandonbittinger · 11-14-2023

Spanning tress is showing the root port as the proper port-channel to the upstream cores and all other ports are designated. The distributions are correctly not the roots.There is currently only a single uplink plugged in between the access switch an...

brandonbittinger · 11-14-2023

I think I may of explained it incorrectly. It is one port-channel between the Nexus and the Cat9300. On the Cat9300 two physical 10Gb ports are used and one 10Gb port goes to each Nexus.

brandonbittinger · 11-14-2023

M02@rt37I am trying to work on the logistics of that.... Unfortunately this location isn't even in the same time zone as me and we don't have many resources onsite.@MHM Cisco WorldYes there are two ports in a port-channel configured on the Catalyst 9...

brandonbittinger · 11-18-2021

Thanks for the feedback. I just find it odd that the Champion transceiver does not list an ethernet standard anywhere that I can fine. I was hoping that somebody may be able have run into this with a service provider and would be able to share what ...

Member Since	‎04-30-2014 04:32 AM
Date Last Visited	‎11-21-2023 01:49 PM
Posts	74
Total Helpful Votes Received	10

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Network Issues On One VLAN Only

Champion One 1000SFP10 Compatibility

Firepower VPN Logs

Firepower 1010 Stateful Firewall

Wired 802.1x with Machine Certificates and Windows NPS

Re: Network Issues On One VLAN Only

Re: Network Issues On One VLAN Only

Re: Network Issues On One VLAN Only

Re: Network Issues On One VLAN Only

Re: Champion One 1000SFP10 Compatibility