Switching

Hi,Can some one tell me what is the use of multicasting on a switch and Router.Thanks,Akber.

Dear Sir,I am preparing for the cisco BCMSN exam. Our company still don't use multilayes switches, only layer 2. My question is: is there in the internet any virtual lab for this exam? I think of precisely the on-line labs if it can be available.Best...

I have the following dilema. I have two private networks with the same subnet e.g. 192.168.0.X. In each LAN I have several devices with IP addresses 192.168.0.1, 192.168.0.2, 192.168.0.3 and so forth. Currently there is no connection between both LAN...

I?m having the following problems when connecting a end user through a local service provider using the HN408-Ui.Since the WIC-1ENET is a fixed 10Mb 802.3 non-autnegotiating device the local ethernet connection defaults to 10Mb/half duplex and works ...

Software Version: 12.1(19)EA1dProblem Details: I'm testing the MAC extended ACL feature on our 3560 switch (sw 12.1(19)EA1d). It appears that it's working properly for the PC's with MAC addresses permitted in the ACL. However, when I try to ...

Here's a short version of the question:If VTP pruning appears to be "pruning" on all of your trunk links to other switches except for one -- what could be a possible cause?Far-end switch is in the same VTP domain with adequate code level and only a f...

Still working through most of the BCMSN book and, while I thought I was clear on the majority of the stuff, looks like I still have a lot to learn.Say I have one access layer switch (with only one vlan) that has dual uplinks to two distribution switc...

We have 2 6509 with " with Supervisor Engine 720 IOS 12.2 ( 18 ) SXF8 " I need to activate the function ''Extended system ID''. I am configured in VTP transparent mode . When I am going to activate this function what is going on? Do I will have cuts ...

Hi,I am trying to configure QoS on the 2950 switch with IOS version c2950-i6q4l2-tar.121-22.EA10a. I do not have the mls qos, class-map, policy map and other qos comand available. The configuration guide says I should be able to turn on Auto QoS for ...

I've show tech and crashinfo_file for my 6509 but can't find Bug IDs' starting with CSCRegards

I have a VLAN I want isolated to just Internet access. I have a pix 515, Catalyst 4006 with Layer 3 routing module. Is there an easy way to do this with access-lists?

I am trying to configure pvlans on 2 6500 switches. I cannot perform any pvlans unless the switches are in vtp transparent mode. My switches which total 4 are configured with one vtp server and 3 vtp clients in one vtp domain. I would rather not make...

Hey guys,Couple of questions about Layer 3 switches... I guess I'm not clear on how to set them up properly when I want to route between vlans.Lets say I have Vlan 100 and Vlan 200. 100 is on its own access layer L2 switch and 200 is on its own acce...

We've recently implemented ACLs to block network ranges from telneting to ur routers and switches from unauthorised IP address ranges which is working well. We would like to log attempts from blocked ranges, preferably to our NMS via an SNMP trap. Is...