Switching

I have a VTP domain setup for my access layer and my core layer. I also have a 6500 switch I would like to be able to program ports from either VTP domain. Is this possible? So I can have port Gi1/1 using vlan 10 from VTP domain core and port Gi1/2 u...

Hi;I have two LAN located in two cities (LAN 1 in city A and LAN  2 in City B), my goal is to link the two LAN with VPN using two routers cisco 887, I have two addresses Fixed IP provided by ISP.what the right configuration to follow in order to link...

    Hello, I am not sure if this is the right forum for my question, since it is a mixture of Cisco and VMware. So if I should repost in another forum please let me know.Anyway, here is the issue we are currently facingWe have encountered a strange b...

I have a number of stacked 3750E switches that all have high numbers of output drops on all of the interfaces that are up:Switch Ports Model              SW Version            SW Image------ ----- -----              ----------            ----------* ...

Hello, I wonder if someone can help me with a seemingly simple but elusive question.  I'm looking to make a purchase of several SFP-10G-LRM modules to support 10Gb communications over our OS2 fibre infrastructure.  All runs are less than 300m so this...

Hello,We currently have 2 Unit of Catalyst 4503 Classic Chassis with WS-X4013+TS Supervisor Engine and WS-X4448-GB-RJ45, and one empty slot. We also have few unit of Catalyst 2960G distribution switches to connect to our workstation.If we want to upg...

One of the questions I have is how normally are management SVIs traffic marked for QoS?  We have a management VLAN for our Layer2, but since I can't apply a policy-map to an SVI how does traffic generated by the switch (i.e. return traffic for manage...

Discover - BroadcastOffer - UnicastRequest - BroadcastAck - Unicast How it is possible that OFFER and ACK sent by DHCP server is Unicast when Client host doesn't have IP address yet? Confused, please clarify.

I am setting up a Lync System and need to add a vlan for our external interfaces (10.10.9.X/24) on the Virtual Machines. I have all the IPs setup and the vlan has the port assigned but I can only ping the address of the vlan adapter. The addresses in...

Dear all, I have some question to ask you that , Is it possible that cisco 3560 or 3850 control MAC address all client ?Let me detail that : i have core switch 3850 and i have access switch 2960 and some switch unmanag like 3 Com. so all client conne...

Hi,Wondering if anyone can agree/disagree.I've seen voice vlan configurations on ports with no voice device attached cause problems, so I always make sure the port configuration is updated per the end device instead of leaving all ports for a switch ...

Hello all, I have to say I used to be spoiled a bit w/ this one view in our old Nortel Java Device Manager...  I used to be able to select all ports on a switch, right click, edit, and it'd show me all kinds of stats. One of them I could sort by, is ...

Hello, Driving myself crazy here trying to get my Cisco Nexus 1000v switches stood up and talking with the rest of my network.Version 5.2(1) SV3 (1.3) I have three hosts, ESXi 5.5 Enterprise Plus, and I have stood up a pair of VSM modules in HA for t...

Unable to consistently ping a device from the 3750x that is connected to a vlan on the 2960x stack (po1 between 3750x and 2960x).  ARP statements appear normally in 3750x, where the interface vlan resides.  The device is pingable from through the 375...