Cisco Catalyst Center
This community is for technical, feature, configuration and deployment questions. For production dep...
2295 PostsActivity in Networking
Extend VLAN over ASA and 2 Routers
---GRE Tunnel--- | | ...
The unstoppable Hacker
I need help stopping a particular level or type of hack that’s taking place and nothing will end it. I’ve saved the logs of the firewall as it’s started to be reconfigured or whatever is happening. It first starts without any of it happening. The isp...
Cisco 2960 - Cannot set console password
Note: The password given in this post is an example only.Hello all, It is the ungodly hour of 12:59:59 AM 8/8/2023 CST at the time of writing this.I have finally fixed most of my configuration issues and gotten the cpu usage below 99 percent ( about ...
Upgrading Cisco 3850 IOs 16.06.06 to 16.12.09
I am getting the following error message when trying to upgrade a 3850 IOs ver 16.06.06 to 16.12.09The full command to install IOs: Request platform software package install switch all file flash:cat3k_caa-universalk9.16.12.09.SPA.bin new auto-copySw...
LLDP Multineighbor support in Catalyst 9500
I have one switch cisco Nexus9000 C92300YC having NXOS: version 9.3(11).On this switch, I am able enable Multineighbor support for LLDP.Recently we got a new switch cisco C9500-48Y4C having Cisco IOS XE Software, Version 17.09.04a.In this switch, I ...
ASM Multicast
Hi, I have a few questions about multicasting, that I've struggled to find answers for. We’ve successfully set up PIM ASM, but I’ve been advised to configure MDT default and data. However, I couldn't found any info if are really needed on ASM.When I ...
IP Phone Mac Authentication on Cisco Switches
Hello, i recently joined company and i found point that i want to clear out , our setup is like Cisco Switches enabled with Dot1x, MAB, Clear pass being used as AAA Server, my Question is that whenever i check any interface i don't see any authentic...
Is NAT needed for traffic over GRE/IPsec tunnel?
I have a GRE/IPsec tunnel going from 1 router to a Cisco. I'm able to ping across the tunnel, so I know that communication is working. If I ping 8.8.8.8, it fails. If I traceroute it, the traffic is stopping at the far side of the tunnel at the GR...
Resolved! EEM regexp exclude word
hi, please tell me two points: 1. I want to exclude a word in eem via regexp, for example there is a line:sh run | i hostname hostname test-routeri need to select everything except "hostname" and "router"doing so:action 112 regexp "(!?hostname|-route...
Resolved! How to Show/view/see a MAC reservation
Please no pedantic responses, I don't care if my wording/terminology is correct or not, all I want is 1 command that will let me see the hardware-address attached to a reservation pool, when I type:sh ip dhcp pool <poolname>I don't get the hardware a...
QoS "end to end"
Hello guys.The question is about prioritizing SSH traffic from my PC to Linux server: My PC with SSH <-> Cat 9300 <-> Cat 4500 <->Cat 3750< - >Linux server I configured policy only on Cat 9300: 1)access-list 101 permit tcp any any eq 22 2)class-map S...
Catalyst switch configuration for /30 ports in media networks
Vendors such as Lawo and others are suggesting that, when configuring a Catalyst 9200 or 9300 series switch for media networks, such as ST-2110 and AES67, that each device on a physical port be given a /30 address to reduce chances for flooding. Most...
Resolved! Looking for Information on Service Side DIA Breakout without NAT
I am looking at a breakout session from Cisco Live that discussed Internet breakout and DIA where NAT is required to enable local breakout. However, it also mentions that service-side breakouts can be provided in case NAT is not needed or special ca...
DNA Essential and Advantage
Hi guys I want to use the assurance in DNA Center particularly the Client 360, do I need to have a DNA Advantage or the DNA Essential will do? In the data sheet it is stated it should be DNA Advantage but some says Essential is enough to see the Clie...
LACP Protocol Configuration between 2 Remotly connected Switch
Guys,Just check looking below topology, pls suggest if we can configure LACP Port channel between 2 remotely connected switch.these location connected via ISP in between,LACP Protocol Configuration between 2 Remotly connected Switch
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