Switching

hi,maybe this is not the correct forum but just wondering if anyone can suggest any good network monitoring tool other than solarwinds please (mainly for cisco but would be nice if it can monitor servers as well)?Thanks                  

Dear All,Please see the attached diagram fron CNA. Our sister site had a new building and the network it was supposed to resemble the network on this site with link redundancy as far as the edge switches.After 6 months asking for the password to the ...

Hi all,I have observed than I can add priority 0-6 to an access port. I thought this priority was valid only to tagged ports/trunk ports because the CoS priority could be applyed only to tagged frames.Please, how it works this priority¿Thanks ¡¡¡

does anyone know "%USER-2-SYSTEM_MSG: unknown enum 223 - vsh" mean?(can't find it on message decoder)thanksfrank

Hello guys!I've got several 1941 routers in branches and Windows 2008 r2 with AD and DNS in Datacenter.Sometimes we loose connectivity to our dns server and i would like to specify several dns servers for clients: internal dns server and external dns...

HelloI'm studying a question that asks if the user can conclude the interface is operational and handling traffic?Here is a sample diagram, and I was hoping to learn which lines should I specifically pay more attention to find out if there could be a...

I have seen this on 4 ASA devices:At devices running older versions than 8.4(5) it is possible to update to 9.1.1 but after updating to 8.4(5) the devices tells me that "There are no upgrades available, your system is up to date" when I "Check for AS...

hi all,I'm currently in the midst of obtaining my CCNA, so please excuse the seemingly ignorant questions/descriptions.We purchased a cisco 1921 router to replace a software firwall not long ago.The router was sold as a firewall with the suggestion t...

                   Hi Everyone,Trying to understand STP root bridge  in a networkSwitch A  is SVI  for VLAN 527  and is running PVST  mode.sh spanning-tree summarySwitch is in pvst modeRoot bridge for: nonesh spanning-tree vlan 527VLAN0527  Spanning ...

Dear everyoneI have a Cisco switch 3400-ME, it's running IOS1.bin file. Now i want to change the running IOS to IOS0.binI entered 2 commands:boot system flash:dir1/IOS0.binboot system flash:dir1/IOS1.binBut when i show running config, it has no any b...

I've taken the time to create a document that outlines the steps needed to implement Private-VLans (PVLan) in a normal VLan environment.PVLan Promiscuous Access-Link interfacing with another switchPVLan Promiscuous 802.1q Trunk-Link interfacing with ...

Hi ,I have a question when we configure IP sla for dynamic fail over it works as expected but when the link switched to the back up link it has intermittently disconnects and then comes back up.We hav etested its not the issue with the service provid...