we just recieved our 3850 switches and i have one that will not reboot to the startup config. im pretty sure i can fix the problem in rommon mode but so far nothing works to get it into rommon mode. anyone have any ideas? thanks
Hi All,Hope you all have a lovely day.I am stuck in trying to figure out why my switch (CBS350-48P-4X) receive a management acl packet from 23.204.65.31 (Akamai tech). We have set up acl for management interface and we received multiple logs of packe...
Hi dears,I have a monitoring tool (Cacti) that when the C4500 has high cpu usage not graphic via SNMP. I mean the graph looks like cutted.Could you pls take me a hand on tshoot that?Thanks in advance.-RR
Hello:I am an IOS guy, and NEXUS is new to me. We have a NEXUS9000 switch I want to use as our Layer 3, Core Stack. We actually have two of them via VPC, but I broke that so I could experiment with one of the units.I have the unit configured (see be...
There is a new firmware for the Cisco CBS250/350 series, but when I check for updated release notes to help me understand what is resolved or new in the firmware, there is nothing new. Anyone have any insight ? names of new firmware (cbs350 and 250...
Hello, a 2960s switch connected to a multilayer switch is amber on one side. I just configured trunk on the port no vlan and nothing on the port can someone help me please? It's my graduation project appreciate it in advance
I have a Cisco Catalyst 9200 switch that experiences slow performance when accessing the Web UI. I have three switches of the same model, and all are showing the same issue. I access these switches from the same VLAN.When I log into the Web UI, it ta...
Hi,I have a catalyst 3750 switch on my network. I connected an NVR device to its port 2 on VLAN2. I set DHCP snooping and Dynamic ARP inspection settings as below;DHCP Snooping and Dynamic ARP inspection is TRUST on DHCP server side at port4(both wor...
Difference between install Mode and bundled mode,please explain.in stacking --Bundled mode requires same IOS at all switch but in installed mode,Active switch push its IOS to member ones right?
We are experiencing an unusual issue concerning SSH connections to Cisco 9200L switches. We recently migrated from Cisco 2960 switches to Cisco 9200L models. When connecting from the same network using a Linux server, SSH to the switches works succes...
A customer currently has DNA Advantage licensing which is up for renewal, but they aren't using all the features that come with it. My question is what happens to the license when it expires, does it downgrade to Essentials? Do they need to purchase ...
Hello,Another here:If I run an SNMPwalk on a 2960 I can get it's temperature via: sudo snmpwalk -v2c -c public 192.168.1.1 .1.3.6.1.4.1.9.9.13.1.3.1. Result = iso.3.6.1.4.1.9.9.13.1.3.1.3.1012 = Gauge32: 43 If I run it against a 3850 stack of 4 switc...
Got 6 new 9300 switches and want to stack them but get licensing error. Difference i see in license is of DNA essentials. I did not activate any license, only upgraded IOS. There is no license right-to-use command to activate/deactivate..How can i ma...
