Greeting All, In our topology, we are getting huge CPU Utilizations in L2 and L3 switches. We are unable to reduce the same.Due to this issue,we are facing too much latency. Kindly help me to reduce the CPU utilization in switches.Below i mention som...
Forum Posts
Hi All, I have a problem going on. I have a cisco layer 3 switch which is away from me. Both telnet and ping could work till last week but all of sudden I am not able to ping or telnet and an interesting thing is that I could ping other switchs (in t...
Hi everyone,I am sorry to bother you with this matter but I am struggling to adapt one part inside the QoS configurationI had on a Catalyst WS-C3750X-48 (version 15.2(4)E9) to a new switch 3850X-48 (version 16.12.05b) I have been able to translate th...
Hi, I recently received a decommissioned 3650-12X48UQ-S. The config was either wiped or damaged during removal. I currently can only boot into rommon. Booting into the recovery sda9 fails under several errors. Downloading the ios file and booting fro...
Hi ,What is the pros and cons of 1 and 2 design?Do we really need the 2nd topology Thanks
Hi All, I'm trying to get source guard working. I've configured DHCP Snooping and DAI and they are working fine. I've tried to configure IPSG with just IP and also IP and MAC verification. When I'm just using IP verification the pings from host to ga...
I currently only need network essentials I am using IOS Fuji 16.9.3 on C9300 switches in my home. ThxBryan
Hi everyone, Not entirely sure this is the right sub-section for this but since i have switches + routers+ firewalls involved, I guess any one of these would do? Nevertheless, Im looking into introducing QoS to our very simple local lan, in order t...
Resolved! Dual ISP test in Packet Tracer
I am working on a configuration where I will have two switches at the edge that will serve as the termination points for my two ISPs. Ultimately, I would like utilize both connections for various reasons but for now this will just provide failover an...
I spent quite a bit of time troubleshooting why traceroute mac sw1_mac1 sw2_mac2 works in one direction from C3850 switches to C1000 switches and traceroute mac sw2_mac2 sw1_mac1 does not work, timeout every time. Ultimately I came across a pri...
Resolved! policy-map Issue
WS-C3650-12X48UR-ESoftware Version: 16.9.4 The issue is related to the application of a new policy-map and it not been hit. The switch config is show below: class-map match-all CTSmatch access-group name CTSclass-map match-all PACEYmatch access-group...
Hi all, I found something strange recently. I used a cable tester connected to a port of switch 9200, and I have disable the poe feature on that port, but there was only 1\2\5\6 lights up of the cable tester. It should lights up all the 8, right? ...
Resolved! Nexus 7 OTV Operational Role Switch
Hello, We have a pair of Nexus switches. We need to remove one of them from service to do some hardware upgrades, and then bring it back into service. We need to get the Operational VPC Role swung to Nexus1 which is going to stay operational, away fr...
Hi Community, the best community of the internet!!! I have a small query that the Cisco documentation could not clarify.I know that the Catalyst 9500 series and 4500-X series switches support Stackwise Virtual. This is very useful to make a redundant...
I am assuming this is a no straight off the bat, but i just inherited a network with a nexus 3000 series switch that i am able to get console to, but dont know the admin or any password. Is there a way to reset this without destroying the switches cu...
