Switching

A Customer monitors servers using Microsoft SCOM. He complains that several times a day SCOM alerts because some servers seem to be unreachable. Sending endless Ping from hosts in the subnet of SCOM to hosts in a servers subnet showed that hundreds o...

Hi,Scenario:If I plug my PC on switch port X in vlan 100 and then move PC on other port Y in vlan 200 With port security with mac address sticky enabled on all switch ports then will the port Y will enter into err-disabled mode.Kindly reply.

Hi,I have configured Following GLBP Config on My Cisco 3945 routers which connected to Core 6509 via their Gi0/0 interface each.The virtual IP address is 172.19.6.4 However all traffic is passing through R2 only and R2 is AVGWhat is missing here.Kind...

as title indicates, pls explain to me. thanks a lot

We have a 3750 in our environment that is receiving the following error: usoh-nroyalton6945-sw1#show logSyslog logging: enabled (141 messages dropped, 0 messages rate-limited, 0 flushes, 0 overruns, xml disabled, filtering disabled)No Active Message ...

I have some physical servers using the Broadcom utility  to team the NIC's.  These teams have 2 members.  The software selects one of the members' MAC addresses to serve as the MAC for the team, and this is the MAC used by the OS (Windows in this cas...

Hi, i´m sorry if this is a classic question. i have implemented rapid pvst like show in the image. The dotted lines are the alternative links. (image 1)SwitchA# spanning-tree vlan 1 root primarySwitchB# spanning-tree vlan 1 root secondaryI want to ma...

hey !I was reading the white papers on 6807-XL, 6880-X and Sup2T and i have some questions. I will start of by apologizing for my bad English.Many of my questions is about the 6880-X chassi and i have read these white papers http://www.cisco.com/c/en...

Hello. I have a Catalyst 3750, that I am configuring. I've enabled AAA new-model and configured an aaa authentication group for logging on to the Console and SSH. When I log on to either (SSH or the Console), I've noticed that though the switch promp...

Hello, Configured GNS with two routers connected back to back with Gig interface.Want to know how does they (ospf) detect this duplicate address.Run some debug but both routers send hello and stay silent. R1-10.10.10.1-----10.10.10.1--R2 R1 router-id...

we have a new building, and I told the cable company run OM3 cable from second floor to 1st FL data closet because we have 4510R SupV-10G at each floor.However, the cable company ran a regular fiber cable instead of OM3 mistakenly. My questions, can...