Switching

Hello, I was creating 2 decently large ACL's to match some traffic today and I noticed something peculiar that has me puzzled. My first ACL has approx 90 ace's and pastes them fine. When I go back and look at the ACL, it looks like there are only lik...

I'm using a 9200 device running IOS 17.9.I use a script and spreadsheet to generate my config file, which I then copy onto my devices via TFTP and then copy to the running config. Nothing unusual there. However, if I then ask the device to show me th...

hi guys . i have a network with below topology. In the core layer, I want to have redundancy, which means that if the main core switch of my network has a problem, the backup switch will automatically enter the circuit. What method is there? 

Facing FAN speed 100% issue in nexus Nexus 93180YC-EX switch.  

Hello everyone, I have two cisco 3750 switches that are on stack with the below config Switch# Role Mac Address Priority State--------------------------------------------------------*3 Master 0017.5ae7.d500 1 Ready4 Member c062.6b8c.f200 1 Readyi wou...

Hi All,I have a topology as shown below:The Firewalls A & B are running as active/standby. I have an etherchannel configured between L3 Switch A and Switch B. The switches also have HSRP running for various VLANs. The link between Switch and Firewall...

Hi guys,I'm trying to check the warranty expiration date of my 9200 switch, I just checked by SN on Device Coverage Checker (cisco.com) it says the warranty is covered but I cannot verify when the expiration date. How can I see when the expiration da...

We are seeing random high memory utilisation spikes on our Cisco 9200L switches, running version 17.9.4a. We thought this might be related to the application visibility that is pushed out to them via Cisco Catalyst Centre, so we disabled application ...

Good day;Need help with how I can configure NAT overload with an existing vrf on a CAT9K_IOSXE V16.12.  This is what I am struggling with, I currently have a vrf called AWSDX-S3.  Now what I am trying to do is I have added a L2 SW and ran trunk ports...

hii have cisco 6500 series core switch and facing a bizarre issue with data speed transfer.I have two vlans svi for which is defined on this switch (core6500). these vlans are transported to another switch (sw5) via lacp etherchannel which is providi...

Hi anyone can assist me on the VPC configuration ? The status not up. VPC Status : switch(config)# show vpcLegend:(*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 700Peer status : peer link is downvPC keep-alive status : Suspende...

Hi guys, One of my friend is facing a issue and it seems quite weird.2 of his 9200 switches lost their configuration even though configuration was saved and even if for some reason switch restarted but they should not  loose its configuration. what c...

Hello everyone. I work in Cisco Packet Tracer and have a simple network with 5 subnetworks connected through 2960-24TT Switch. The problem is when i connect 5 subnetworks to 1 network some (3) routes light orange (amber). And i can`t fix it. Where sh...

Hi Team, Two switches are connected to each and that link is a trunk port between those two switches, The challenge is on one switch when I perform cdp/lldp neigbor detail I can see the other switch which is connected to it but funny thing when I pin...