Switching

Thoughts and suggestions to this issue.  We just deployed some meraki's into our environment as depicted in the following topology that attached. configs on the Core: the same config is on g1/4/5 and g1/0/52 interface GigabitEthernet2/4/5 description...

Hi What is SME and where it fits in a production setup

I saw much DEAD memory is holding by Routekernel Process on my C4500. And recently received a lot of memory error. Do you have any idea for this issue? Should I reboot the router as it has been running over 1.5 year. <LOG> Dec 22 15:06:45.382 GMT: %...

Hi,  My apologies as I am new to CISCO networking in general.  I have the following scenario.  Equipment: A non cisco router which has to be used that provides 3 VLANS (10.81.0.*, 10.82.0.* and 10.83.0.*) accessible via a single Ethernet port for ...

I am facing an issue, not able add one switch in Monitoring and management tools. My observations are; 1: Not able to ping the management tools (Solarwinds, Ciscowors etc) from my switch.2: Trace route to any IP from switch is completing. But the tra...

Hi Guys, I have been investigating an issue for a month now and still can't figure out what the issue is. Basically we have clients connecting to a server on port 80 but 1% of the connections fail due to a socket error. The packet traverses as below ...

Here is the query.  I have a Windows  server 2012 at 10.10.1.200. The gateway is 10.10.1.1 . I am using 10.10.1.200 as the DNS server. I have configured DNS server on 10.10.1.200. In the DNS server settings I have not mentioned any forwarder. Now f...

I have CMTS UBR7246 and 2 CMs. One modem is working fine and got online connected with CMTS. But the other is not. It keeps failing to get connected and get success message from CMTS. In DOCSIS 1.1 mode, it received message "K Rej MsgSyntax Error" I...

  I am having an issue with getting Source Specific Multicast to work across a simple network.  I would appreciate any help the community can provide.   I have a sender on one routed interface on SW1, a receiver on the same subnet as the sender, a re...

Hi everyone    What‘s wrong with this alarm  form the device of cisco 6509 & the users can not surfacing on the internet.    when I checked the device  found that   the 6509 looked be rebooted    below is the logging ：  *Dec 22 01:39:15.175: %ECC-SW1...

Hi I am new on this so i configured my Cisco 3560 switches which are going to be layer 2 with a simple command "auto qos voip trust" on all the ports including the trunk ports. we are going to use NEC ip phones and hope that this should work. please ...

A Nessus scan of my closed network revealed an Etherleak (Frame Padding) with the SG200-08.  I did apply the 1.0.8.3 firmware update, but this is still flagged.  It's a low level risk that I can explain away, but I'd like to ask if CISCO will address...

Hi, I have 3 switches (interconnected like : A--->B---->C). I have created a Vlan 10 on every switch & define SVI on switch C. I can ping SVI from access switch(i.e.Switch A) and host attached to Switch C. But i am unable to ping / access host in VLA...