Switching

I'm a newbie to multicasting, so forgive me.Scenario - I have 3 Switched PDU that communicate amongst each other via multicasting. All 3 are on the same switch and in the same VLAN. 2 of the units see each other but the 3rd sees nothing. No filtering...

Hi, I am trying to use privilege level 2 for backing up the cisco 2960 switch running-configuration using ftp.I have had some luck while in priv level 15. priv level 2 was set up with a password and priviege exec level 2 copy running-config ftp://us...

Hi Can you run etherchannel with spanning tree enabled ?

Hi, I am monitoring tx/rx on two ports on two separate switches. I am reflecting to a remote vlan, where I have my ethereal cable connected. My trace shows 3 copies of every packet. Is there any way to eliminate this problem, or is it simply the best...

If I have a vlan with 3 port in the vlan and one of those ports is an L2TP termination to a remote switchport, what is the relationship between the port with the xconnect command and the other two ports in the vlan?I have a hub and spoke environment ...

Are my assumptions about this command correct?-The passive-interface command can be implemented at the global, interface, and router config modes.- When implemented in the global mode, all interfaces don't send or listen to routing updates.-When set ...

Hello,I have cisco 871 router which after press on the "reset" button doesn't start at all. The all lights on the router are flashing after cold restart, also I can't even connect trough console.Need your help with the issue.Thank you.

My current setup consists of two 3560 switches in two different buildings connected by fiber.We are currently running a 10.10.10.X network across them.We have a DMZ in Building A running a 192.168.10.X network off of a second interface on our PIX. T...

Anyone have an idea of a switch that supports all this features:managed, Qos, IGMP, GMRP and RST.thanks regards massimiliano

Hi,Am having a weird problem with a SUP720. I wanted to load a new IOS onto it and it keeps loading the current IOS.My boot line is:boot system flash disk0:s72033-adventerprisek9_wan-mz.122-18.SXF7.binBOOT variable = disk0:s72033-adventerprisek9_wan-...

Hello.I'm searching for routers which support the following specifications:- Traffic Engineering- CoS differentiator support - MPLS- Fast RerouteI'd like to know which Cisco product is adequate for this case and do I need some additional network mod...

I created an IOS upgrade job using CiscoWorks. When the job got to the part of erasing the flash it failed. Any idea why?

is it enough if one physical port is set to no switchport for making the intervlan communication to happen and should we need to enable ip routing command?

HiWhen i SPAN Tx traffic on my blocked port I see some broadcast/multicat and unknown unicast packets. Can some one plz explain me or provide a link which explains this.Thanq