ASA 5506-X RPF Drop

I learning how to set-up firewall and came accross such a problem when trying to connect through web-browser to DMZSERV : 3. The packet is coming from an outside network. The device looks up its NAT table for necessary translations. 4. The packet is ...

SD-WAN DIA - NAT-Type Interface , Pool , Loopback

Hi everyone, Currently, I've been using the Interface NAT type for Direct Internet Access (DIA) across multiple networks.     However, I recently came across a Cisco article (Below link) suggesting the utilization of a Loopback interface for DIA ins...

Need to check vulnerability for cisco switch 2960X

Configuring IP Helper-Address to issue IP address from DHCP Server

IP Helper-addres for VLANsThis is simple solution to reduce a bottle neck of router which is issuing ip address to clients using IP DHCP pool "Vlanxx". IP Helper-Address command can point to enterprize DHCP Server instead to issues ip address to thei...

DNS Server forward look up times out

Hello, I am very new to networking and I am currently trying to set up a lab in my computer science class. I am trying to set a forward lookup zone to our parent network's DNS server. When doing so the request says "A timeout occurred during validati...

Grammarly and ChatGPT Access

Hello,Both the Grammarly and ChatGPT sites are accessible, however, the WSA will not allow us to use the them properly. In the case of ChatGPT, if you try to open a document, the error shown is, "Can't connect to Grammarly. your network configuration...

Network with two uplink

Hello everyone,Here i have two uplink from my main core switch which is connected to Main-R.i would like to utilize both uplink same time for different network Eg:MGMT network use Service Provider as a Uplink (192.168.3.2)DATA network use Main-R as a...

what causes a topology change in rapid-pvst mode

hi all,Thanks for your reply!physical topology is very simple: core switch stack (2x WS-C6506-E) connects to access switch via port-channel, no more redundant link. I see lots of topology change logged from core switch, for example:Number of topology...

Can CX Cloud be Integrated with Other 3rd Party Solutions?

Output Drops between WS-C3850-48T and WS-C2960X-24PD-L

Hi AllI've inherited a newtwork that includes the C3850 and we've installed the C2960X. These are hooked up via copper ethernet and have a very simple configurationC3850 interface GigabitEthernet2/0/2 description Uplink to C2960X switchport mode tr...

DNA Essentials, what use does it have?

Our MSP recommends the DNA Essentials license. I've recently taken over and it's been renewed a few times. I see this is for Catalyst Center? I'm looking into how I can use Catalyst Center to see if it's worth it, (we're a small shop with 6 stack and...

Compatibilidad de Cisco ISE 3.0 y dna

Buenos días a todo el team Cisco. Actualmente se tiene un Cisco ISE 3.0 Parche 4  el cual esta integrado a un DNA  con versión actual 2.2.2.8 el cual el DNA se requiere realizar el upgrade a la 2.3.5.5. ¿Hay problemas de compatibilidad con esa versio...

%RADIUS-4-RADIUS_DEAD

Trying to authenticate I have this error as shown, can anyone help me!*May 11 12:38:20.482: %RADIUS-4-RADIUS_DEAD: RADIUS server 192.168.100.3:1812,18 13 is not responding.*May 11 12:38:20.482: %RADIUS-4-RADIUS_ALIVE: RADIUS server 192.168.100.3:1812...

Secondary WLC over the internet for APs operating on Local Mode

Dear Gents,          What are the recommendations that should be followed if we have a local site with wireless APs operating in Local Mode and registering on a local Primary WLC on the same network.  and in the case of Primary WLC failure, the APs w...