Switching

Please can you tell me when performance monitoring for Jitter/packet loss will be supported on Cat 9300/9400/9500 (and Cat 3850) IOS-XE switches?Performance Monitoring (PerfMon) remains in the unsupported feature list for Cat 9k even in 16.11.x. (See...

Hi,   How to use the device tracking database with ARP spoofing detection?   Hardware C3850 and IOS 16.9.4.

Hi all, Since yesterday, we're having this weird issues that switch ports are going to err-disable due to exceed arp packets:We're seeing these logs:2:10:42 PM  33821 Mar 3 14:10:41.456: %PM-4-ERR_RECOVER: Attempting to recover from arp-inspection er...

Hi All, I have been reading up on UDLD and one of the primary use cases of using this protocol is to prevent L2 loops if a link becomes unidirectional. Does UDLD have any advantages on a routed ports or should this used on L2 ports only? Thanks

Spoiler  Here's the situation.  Catalyst 9407 connected to a Brocade switch via G2/0/48 (copper).  Receiving high amount of Total Output Drops on said port.  Both devices are negotiating at 1000/Full.  Results of SHOW INT G2/0/48 below..9407Core#sh i...

Upon powering up the IE3010-24TC switch with 130VDC from a battery bank in a substation, the battery bank charger registered a Negative to Ground fault. After some investigation, it was determined that the PSU1 negative terminal connection at the bac...

Hello Guys!Can someone post the configuration for WCCP Version 2? Router LAN IP address is 192.168.1.1/24Squid Proxy Server IP Address 192.168.1.254/24 I want to configure WCCP Version 2. Router supports WCCP Version 2. Kindly someone post the exact ...

I have a network that needs two cisco catalyst switches for HA requirements. The way I want the switches to operate are the way the Cisco ASAs work in active/standby. When one switch fails I want all traffic to pass through the "standby" switch. I am...

Hi anyonecan you shared me  Pros and Cons about command "ip direct broadcast"So If i have put this command to interface do i have to be careful ? or the command is the basically configure  

Hi,I have been a Systems Administrator for over 20 years so the network admin stuff is a bit challenging for me. I have two switches, a Cisco 2960 and a Cisco 3750. I wiped out the 2960 switch and configured it from scratch. Configured a hostname, IP...

Hi,One of our customers asked me that their Start-up Config and Running Config are different from each other.When I look at them, info in the same line numbers are different but the config there. For exmaple if vlan info are between 78-90 lines in St...

Hi,New here, don't know where to post this questions. Installing SG350X series switches in a recording studio environment.  Noise level is a critical consideration.I am unable to find published specs on the level of Fan noise for the various models. ...