Switching

Cisco Switch does not prompt login username and password when connecting console cable. it directly goes privilege mode.  

Is this kind of vulnerability issues on Cisco N9K? show sockets connection display were LISTEN state and Send-Q are not in zero count. What is it use for?Total number of netstack raw sockets: 0Kernel Socket Connection:Netid State Recv-Q Send-Q Local ...

I´m looking if is posible to stack a 2960G Catalyst Switch and i don´t find a way to it.is it stackable?   hope you can help!

Hi all,I have a problem and I really do not know the reason.Simple scenario. I need to configure ospf into a ASR1004 router.Here the command vrf definition TEST-02 ! address-family ipv4 exit-address-family!!interface Loopback25 description TEST-02vrf...

We want to buy 2 Catalyst 9300 switches and use them in a SyncE enabled network.We wonder if these series supports this feature. We just found about IEEE 1588 in the documents, there were no clues about SyncE feature.Does Catalyst 9300 series switch ...

For communication with machines in the same LAN, hosts do ARP for translating the IP address to MAC address, which means, IP addresses are already known to each other. My question is, how does the host come to know about the IP addresses of each othe...

Hello, After a mistake when upgrading the IOS on my C4510R+E, the standby supervisor booted into ROMMON, but the supervisor booted like normal. I consoled into the standby, copied the new IOS from usb to the flash and booted, but it rebooted the whol...

Hi everyone. I need a help... I have a Switch Cisco 9300 and this switch isn't booting up correctly and continues reloading I tried to boot up from emergency-install but problem still exist. And here it is the output Dec 13 10:55:30.961: %PMAN-5-EXIT...

Hello,We have inherited a Catalyst Express 500 (model WS-CE500-24PC) from a company we aquired, and are having issues configuring the switch.The switch must have been configured previously, but we don't know its IP address. It is no longer on the ne...

Hi there!So I'm reading that the current release train my switches are on (Gibraltar) is reaching EOL early in the new year. With that in mind, I'm wondering if there are any extra steps I need to consider taking if I'm migrating from Gibraltar to ei...

Hello everyone  I am validating the ISP connection in my company, which mean if the circuit has been installed and it has the correct speed, which is 10G. I was using a C9500 40X to do that. I connected a fiber from the ISP box to one port on the swi...