So I do the no boot system flash:(IOS Name) then boot system flash:(New IOS Name) wr mem I do sh run | inc boot It DOES show the new IOS as the boot system but when I do show version or show hardware it shows the old IOS I said NO BOOT to. Am I mis...
Dear Xperts.... I want the MAC binding on my Cisco 2960 switch in such a way that it reads all the mac address of the cisco IP phones connected and binds it. Further is it possible to read the MAC address of the PCs connected to th...
Hi,I got two Cisco 2960-S - 24 Ports L2 switches (switch1 and 2) stacking together with cisco Stackwise cable. I got servers and each server has 4 ports. two ports teaming together and connect to VLAN71 (one port connect to switch1, another port conn...
HI,I am facing issue on LAN after configuring "spanninf-tree bpdufilter enable" "switchport fast" "spanning-tree nonegotiate".I want to know this commands are responsible for the issue or not....
Already STP running in the switch. Can i configure port fast in all the port in that switch?
I'd like to confirm how one determines the manufacture year from a system serial number. Is the following true? I couldn't confirm this via docs on Cisco:Do a "show version" and locate the System Serial Number.The serial number is in this format: LLL...
Greetings, We have just purchased a bunch of Cisco Catalyst 2960 Plus switches for a customers lifecycle service. During the project I am trying to configure one of the new switches in our LAB, but when I connect the COM cable I am unable to writ...
Hi all, I'm wanting to enable DHCP snooping and it's mostly working. However, we have some macOS machines that are configured in their System Preferences > Network to use "Using DHCP with manual address". When DHCP snooping is enabled on my Cisco ...
Hello, I have a small Lab with the following devices: 1. Windows Server - VLAN1 2. Linux Server - VLAN2 3. Switch sg300-10pp 10port PoE (Layer3) 4. Tp-Link Router VLAN3 Subnneting as below : Vlan11414192.168.1.0/28255.255.255.240192.168.1.1 - ...
If i shutdown the interface vlan by interface vlan 20 shut Then, would this shut down layer 2 vlan as well? If two hosts are connected vlan 20, will they able to communicate each other?
Hi everybody, i have two identical point to point connection each with 150Mbps of bandwidth. I run JPERF on the two links with the following settings: -TCP dual - 10 parallel stream (to saturate the bandwidth) On the first link, every parallel stre...
Hi;Is Cisco Configmaker still available? I'm looking to program a 2811 with E1 and two serial interfaces. Regards
Hello, I have two questiongs regarding VPC technology: 1) We have two basic VPC topologies (see the picture) What is the practical difference between that (green line) topologies ? http://imgur.com/a/vBv5Q 2) Do it's possible to run VPC using that...
Hi,I have a pair of 2248 Fex's where I'm currently terminating several VPC's to the servers, each with one port per Fex. Is it possible to run a VPC to a server with 4 ports, i.e 2 ports per Fex? I saw some discussions indicating it wasn't possible o...
Hello, I followed this document (https://www.cisco.com/c/en/us/support/docs/switches/catalyst-3850-series-switches/117594-technote-hicpu3850-00.html) in my troubleshooting. The problem here I think is something that can't be expressed int this docum...
