Below is my ACL, applied to the interface inbound. Catalyst 2960CX. The first line was intented to allow DHCP. The second is intended to create host isolation. The host connected on this interface has an IP that is part of the network described in li...
Hi all, I have a stack of 4 Catalyst 3850-24X working as a distribution switch, lying in between a Nexus 7K core switch and 34 C3850 access switches/stacks. I was struggling with high CPU utilization problems happening on the distribution switch. I u...
Do I just patch each of the 10G breakout cables to the remote switch I want to connect to as show below.
Hello,I'm looking for a pinout of the control pins for the NXA-PDC-930W-PE power supply. I've tried providing the unit with 48V input power, but the output doesn't turn on. I assume that one of the control pins needs to shorted or tied high/low. The...
Hi,We have a site to site vpn between our cisco firewall and Google cloud.10.10.0.4 is on Google cloud10.0.1.215 is behind our firewall.10.10.0.4 can ping and ssh to 10.0.1.215 well.On 10.10.0.4, there is a sftp client to pull data from 10.0.1.215 se...
I'm getting ready to replace some old EOL 2960 and 3560 8 port switches. I'm looking at going with 3560CX or C9200CX 12 port switches. PoE doesn't matter. What are peoples experience with the 3560CX and C9200CX switches? What are pros and cons for th...
I have a network of several PCs whose routing is done using a Cisco 3650 switch. I want to use Cisco Jabber for making calls between 2 PCs. The PCs are configured on Vlan 54 and Cisco Jabber is set on Vlan 60. Each time I want to use Cisco Jabber bet...
Sometime in the past 4-5 months we have developed a scenario that spikes the CPU enough that the console is unresponsive and packet forwarding is impacted for 6-10 seconds, etc. We can recreate it at will. It is always when the first port in a port c...
Hi all,We are having some new 9300 UXM in production replacing the 3850s, and meet a strange issue.There are some old POE devices running well on 3850. But with the new 9300UXM, we can see the port POE status is up, however the port status shows "not...
Hi Guys, Is it possible to show the exact temperature value on 2960-G? When I issued command "show env temperature", the switch only displayed information below: SW2960G#sh env temperatureTEMPERATURE is OK But on my other switch, when I issued th...
Hello everyone, we are having issues with a Catalyst 6880-X-LE switch which constantly shows a CPU usage of over 90% in idle, during business hours the switch is crashing. The software installed is 15.5.(1)SY8. The command "show proc cpu sorted" tell...
I have core switches 6509 and server farm switches 4500 and edge switches 3XXX, could there usually be and shutdown and startup plan for them in case we have a power cut and we are on UPS for a limited time? or there is no such things with switches n...
Experts, I have an odd situation here. Core switch is a Meraki MS 410-16 which connects via fiber to a downstream Meraki MS120-48. Now, there is a Cisco Catalyst 2960x connected to the MS120-48. Strangest thing is, only one desktop can connect to t...
Hello world, newbie here,I am working on a lab studying for the CCNA which is related to OSPF. The lab has 3 sites, AZ, NV and FL which when usingRouter on a Stick everything works to perfection. However, the instructor on his video doesn't have any ...
I need the part number for Cisco 12 Port FIber switch with 10 G Uplink. Somebody Please help me get this info. Really urgent guys
