Switching

I have a layer 2 network configure for multicast traffic. 1. I have two switches --3750.   Switch1 is the core switch and switch 2 is trunked from switch 1. 2. the multicast server is connected to switch 2 via and access port in a vlan...Lets say vla...

I recently started helping out at a small business where everything was installed and setup before I arrived. The issue I am having is forwarding all requests for ip: 10.141.85.200 which is not on the same network to 192.168.25.221 which is on the sa...

When "vlan dot1q tag native" command is enabled on Cisco 3750E router, the LACP PDUs are getting tagged with native vlan and being sent out of the ether channel ports which is against the LACP IEEE RFC which states that LACP PDUs are always untagged....

Hi, has anybody had any problem with 3650 and connecting to use the express setup? the quick guide says to put into express mode and use ip 10.0.0.1 for switch, the problem is the switch doesn't give out that range dhcp it is 10.0.2.1, the manual is ...

Please forgive what I'm sure is a simple question. I am new to CISCO products and am starting from scratch. In my endeavors to obtain my CCNA I am looking to buy hardware from ebay. If I need to update the IOS and\or firmware, is this something   tha...

Hello,  I have a Cisco 2960S switch,  presently I have a multimode fiber uplink plugged in to it.  base 1000sx , GBIC ,SPF port. can I add  another uplink using Single Mode Fiber , and will they run at the same time on this switch?

FYI:We ran into an overheating issue upgrading 2960x switches to 15.2(3)E2. I just wanted to get the word out, maybe save someone the trouble of an RMA.We upgraded switch to 15.2(3)E2 on the reload it updates Front-end Microcode and fails post for in...

Hi all, our core today is a large stack of 3750's.  Some are X's some are the 3750g v2's, and some regular v2's (100mbps).  Since were a small business we have the majority of our HQ accessable by ethernet so the core is also the access layer for man...

Hi, I have a Cisco 3850 8-switch stack with a Mitel phone environment(mixture of 5300 phones). Users will be on the phone and then suddenly all sound cuts out on both the receiving and sending end for about 8seconds and then returns. One thing I have...

Hi All,We are using Cisco RV042 Dual WAN Router.Wan1 is connected to ISP-A,  Wan2 is connected to ISP-BWe have are using WAN2 port as a standby.  I want to route all our VoIP lines( 4 lines) traffic through WAN2 Port i.e., through ISP-B.Because the n...

Hello,I have few stacks of 2960S, generally built as following, and running the following version.Switch Ports Model              SW Version            SW Image------ ----- -----              ----------            ----------*    1 52    WS-C2960S-48L...

Dear all,Good afternoon,I am in problem it is very silly problem. I want to add two different network in Cisco 2950 series, is it possible?But i don't want to use InterVlan Routing. Two uplink network is 192.168.10.0/24 & 172.30.10.0/24 With regards ...

We are having constant issues with a duplicate IP address that we are unable to locateWe have the SAME mac address causing issues in a wireless scope on a DHCP server (MS 2K8R2) against multiple devices. Can someone please advise how we go about aski...