Switching

Hi All, Bit of a strange issue. I have a site with 6 IDF's, housing Cisco 3560 POE switches, and each IDF is on a different subnet.  In two of those IDF's, the 3560 switches keep having their management IP's stolen. However, I do not believe it is an...

I recently upgraded a 3845 router to a 3945E. In the old 3845 we had a HWIC-2FE, according to Cisco docs the recommended replacement is EHWIC-4ESG-P. The issue is after much digging the EHWIC-4ESG-P does not support port-channels with sub interfaces ...

New computers, Apple MacBook Pro Notebooks and they do not come with a built-in Ethernet Port requiring a Thunderbolt dongle for the Ethernet port. Using the MacBook Pro Wi-FI mac and software to assign the mac to the Thunderbolt dongle you now have ...

hello, I'm doing an exercise to configure RIPv2.  According to the instruction I need to advertise the networks that are directly connected to R1. But when I take the IP 172.30.30.1 /24 it gives me the network address 172.30.30.0 / 24 not 172.3...

Hi every body, We are under a weird situation, we have ESXi under nexus1000V, and we have reboot one to upgrade the memory. After the reboot, the port / vmnic linked to nexus are under status "blocked by admin".  We get this situation two weeks ago,...

We have an odd case.  In our environment, we try to create open offices spaces where users can work at any workstation.  Plug in a laptop and use their own headset to work for the day, and the sit in another area another day.  With this setup, we hav...

Hello all We currently run some Nexus 5Ks in our DCs that run FabricPath. We have a requirement to connect up a single 3750-X switch to provide a number of copper ports temporarily (FEX is not an option).  I have read around connecting STP devices to...

Hello Friends, i need your support to guide me for this type of topology network in-order to avoid loops...like2  4500X series switch configure as a VSS working as core switchin access layer i have HP switches which are connected with 1G fiber uplink...

Hi, We have a large number of 3560's installed on which we see a high number of interfaces flapping. I've not been able to pin it down to a particular sw release, but one example we are seeing it is 12.2(55)SE3 (there are others though). The messag...

Hi All, I have to create a setup where in one check point firewall connects to two different cisco switches. The cisco switches are connected via a trunk. So from each cisco switch there should be connectivity to the same firewall and if any switch ...

Hello, We notice the following difference on C3750 and C3650   C3750 Dot1x Info for FastEthernet1/0/3-----------------------------------PAE                       = AUTHENTICATORPortControl               = AUTOControlDirection          = BothHostMode ...