On my Nexus 6K I see that the interfaces patched to the Cisco UCS regularly show discards but not errors. These are10Gbps links w Copper SFP-H10GB-CU3M. The links are never close to capacity. The ratio over time appears to show .001 (1/10 of 1%) of d...
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I've been poking around trying to figure out a way to create port channels in the CLI rather then the GUI. The set of instructions below is how we would typically configure a port channel in the GUI, and we are not having any luck getting these confi...
Hi,I have to connect a network of 15 switches, of which 3 are MRV supporting MSTP only.Other switches are operating on rapidPVST. I cant correctly connect them, right now I'm using this manualThe problem is when I set everything up, the connection fa...
Hello, I am encountering a problem with flexible netflow on a cisco Catalyst 3850. When I apply the flow monitor on an interface, where there is a 2960 switch stack behind, Netflow doesn't detect any traffic. Going into the logs, I notice this error:...
Hello , We are implementing NAC on all out access switch mostly 2950 and 3750. Our Radius is Microsoft NPS . I am looking for a configuration on Cisco switch both global config and port config.Dot1x for all windows having certificate and Mac authenti...
Resolved! 3750-X upgrade
Hi there, I am an end user and not a network engineer.I have eight 3750-X network switches that are not used for anything fancy other than Netflow export (was is CRITICAL).I need to budget to upgrade these switches and am looking for advice on which ...
Hello All.I am faced with strange behavior with the C9500-40X core switch in our infrastructure.We have two C9500-40X in a stack, they are connected between two buildings using Stackwise-virtual technology with 2 x 10G optical cables.For MNG we used...
I have a 4500-X VSS configuration. It's running 3.6.6E. I need to get to 3.8 and the release notes say to upgrade ROMMON to version 15.0(1r)SG11. Can I upgrade ROMMON on one member switch at a time to avoid an outage of a full reboot? My current ...
Resolved! How to shut no shut in one command
On servers and desktops we do:C:\ipconfig /release && ipconfig /renewThat way we are able to reconnect after releasing an IP and not thrown out and unable to reconnect because it has no IP. For the Cisco 4506e:What is the syntax to do a shut, no shu...
We have in our lab 4 4507R+ CHASSIS, each with SUP8-E. All SUP8's had images on them. However one of the units, a tech formatted the flash either by accident or sheer stupidity. Our other SUP8's are all running cat4500es8-universal.SPA.03.06.00.E....
Hi, I want to switch an SG500-28P (latest firmware version, default settings in place, I had only change the pw and actived ssh) from L2 to L3 mode. I try the way via web and CLI (set system mode router), but both ways didn´t func...have I to do prev...
Looking at two different stacks of switches, both running the same ios. (150-1.SE2) both have lldp enabled (lldp run) On one switch, I'm showing the following:Gi1/0/6 auto on 24.5 Ieee PD 4 30.0Gi1/0/10 auto on 4.4 MINET_6920 1 30.0In this switch, I ...
I am using cisco 3850-24t-s with the latest IOS XE 16.12.5b.It was found that the local login username and password are forgotten and therefore it was fail to login for configuration anymore.I tried to use the reset button at the back of the switch b...
Hi, I have configured my L2-switches with vlans and my L3-switch with vlans, ip address, HFSP.In order to set it I tried to run a ping from the Managment(vlan 10) pc to IT's(vlan 20) pc. But ain't getting a response back. I can ping from IT to the HF...
I have configured a Pseudowire L2 Circuit between two vendor device(Device A Cisco ASR1002-X and Device B Mikrotik CCR1036). I want to achieve VLAN and priority transparency. Two Tester is connected with these devices. I am getting VLAN transparent f...
