Switching

I'm currently stumped by this one, every so often I'm getting these logs on one of my Nexus 9k VPC pair. Is this indicative of a loop? I've been combing the forums on this and can't seem to find a concrete answer. XXXXXX %ARP-2-DUP_SRC_IP: arp [2734...

Hello, I could use some help on prioritizing voice across my switches. I have done a lot of research but im not sure some of what I saw is all necessary. In my setup i have a few catalyst 2960's and using a 3650 core. I have vlan 10 (data) and vlan 2...

Hi Folks, For the past while we have been getting daily topology changes on our Cisco 2960-X Switches. They are all configured with standard PVST settings, but still do topology change frequently. This is causing our access points to drop sessions wh...

Hi , I am facing issue in cisco ACE Server Loadbalancing . We have configured policy-map for server loadbalancing but it is not working .  VIP state was showing  OUTOFSERVICE and LB Action state was showing DOWN.   Kindly check the below logs and att...

Hi Friends,I have Cisco C 3750-24 TS core switch connected with CISCO 2911/K 9 (via Router on Stick) in Building-A.Another Cisco C 3750-24 TS core switch is installed in adjacent building (Building-B, 30 Meter in distance).I want to connect Building-...

We have a Shoretel VOIP system and I want to ensure I have QOS properly in place on my 3850 and 2960 stacks.  We want dscp 46 to have higher priority from what I understand.  We basically did "auto qos voip trust" on all user ports, and "auto qos tru...

Hi All, I have an query in the ACL for the below. IP access-list Extended Newyear10 permit tcp 10.125.31.0 0.0.0.63 eq 445 host 20.0.15.2- I have only seen the port number will be written at end followed by the host. What is the meaning of this synta...

Hello,I have a private vlan set up for some IoT devices (PLCs/HMIs/control servos and motors).This vlan is 192.168.1.0.I have 3 Cisco IE4000 switches connected to a 3560x up-linked to a 3650x access switch. Each of the IE4Ks have about 10-12 devices ...

Hi Team, Can you please confirm me that Cisco R-MGMT3X-N-K9 Software version 3.2 to monitor 3850 and nexus 7010 switches? I'm aware that we can monitor the WLC's and AP's in the cisco prime.Please help us with the above question. #R-MGMT3X-N-K9 #cisc...

I've been trying to find a contact method for you to report this without having to use a message board, but netacad does not have a "contact us" button that I can find.  In 5.2.2.7 lab for port security, the user needs to configure security on 2 port...