I tried to deep dive the STP BPDUs over a non native VLAN 1 trunk and this is somehow confusing me. I configured two switches but these are both Cisco switches connected by a single trunk. VLANs 1,50,100 were allowed and I used VLAN100 as native. I a...
Ping by default sends one packet per second. At maximum packet size, how manyworkstations would need to ping in order to overwhelm the 64k serial link?
Hello, We had an internal scan of our network by an Ethical Hacking team. They identified several vulnerabilities that needed to be fixed. I got a hold of Cisco who then recommended an IOS upgrade for our switch. After I upgraded the switch, anothe...
What are the metrics i need to look for when adding a redundant uplink to a switch stack? Our switches currently have one 10G uplink to the core, and I want to add a secondary ALT uplink for redundancy. I did this once already, and the root bridge mo...
Hello!i have 2 catalyst 3750 in stack and all works fine. On MASTER switch i've setup some ports to some vlans (es. interface 1/0/1 on vlan2 and interface 1/0/2 on vlan3).On the MEMBER switch i see corresponding ports on default vlan (vlan1).My quest...
Can someone show me the commands to find a mac-address on a switch and if I know the port I am looking to find it on, also how i find the IP address on that port
Hi Everyone, Greeting!Can anyone suggest why mac address are flapping across wireless ?Please see the logs below. SW1(config)#do sho int desInterface Status Protocol DescriptionVl1 up up "Management_Vlan"Fa0 admin down downGi1/0/1 up up APGi1/0/2 up...
I cannot ping any of the other vlans except native vlani will paste show run at endhere is topology and outputI cannot ping any other vlan ~ I've made g0/0 into a trunk, as I'm trying to practice trunking and cannot seem to solve this basic thing as ...
Have a bunch of 2960x's and some of them are missing any software at all and some just need an upgrade. I have read about using fat16 on a usb stick with no more than 2GB's when in use with the rommon. I am still getting errors trying to get the syst...
Hello Everyone!!! This is my first post in this community so please excuse any irregularity. I have two Cisco WS-C2960X-48LPD-L, catalyst switches working together and try to use their web gui, which look nice but perform extremely slow, I have to wa...
We have a 10Gig (and 100G in one case) interface on our 9500 connected 10/100 Gig overall bandwidth from an ISP on that circuit. We have multiple remote sites connected over this link at a CIR of 1gbps for each site. We need to make sure that each si...
a Cisco Catalyst 3560 WS-3560-24TS switch. I'm assuming I can telnet into this and do various exercise regarding usb/tftp/flash exercises? I real the end of life support at May 2021.I found affordable versions of these and asking opinions as to wheth...
I have multiple (around 9200 switches running the same version and basically the same configuration. On all the switches that are in use, I'm unable to get into enable mode via the console connection. I can do so via SSH using the Cisco CLI. The te...
I have a network with 21 9300 L3 routers, I'm confused as this is my first time setting these up, they are able to ping the internet from the vlans but when i try to ping from the cli 8.8.8.8 it fails, it only works from the main 9300 at our hq that...
Hi Have done a NX-OS Upgrade from 9.3.6 to 9.3.8and get the following output after upgrading / reload / SMU install / reload Z# show install inactiveBoot Image:NXOS Image: bootflash:///nxos.9.3.8.binInactive Packages:nxos.CSCwa25377-n9k_ALL-1.0.0-9.3...
