Switching

Hi Experts, please check the attached diagram, am confused which N7K should be the STP root bridge and which one will be the secondary root. also which ports will be in blocking mode and which will be in forwarding mode. what is the recommended STP c...

I have an issue where DHCP just stops working on Access Points, or any device that isn't directly plugged into one of the SG300 ports. Such as plugging in an Unmanaged switch, then some computers, or VOIP phones into that unmanaged switch. DHCP will ...

Hi guys, I am looking to utilize the load balancing feature of ITD on our 2 * Nexus 95k.  I want it host a VIP with two nodes behind it which will then share the traffic.  This is the config that I have come up with and just wanted to see if their...

I have a request to support a layer 2 VPN tunnel across my network with one side on a serial port and the other side coming out a GIG-E port.  Is this possible?  If so how would I configure the MPLS tunnel? On the serial side I have a WS-C6509E rout...

Hello, I'm looking to understand what is real meaning of this error. What am I missing? IOS: 6.0.2 Router: ASR-9001-S When I start pppoe request I got: RP/0/RSP0/CPU0:ios#LC/0/0/CPU0: Oct  3 10:39:07.447 : pppoe_ma[389]: TenGigE0/0/2/1.1555: I dst ...

We have an office with some staff bringing in home routers like Linksys, DLink, TP-Link, etc plugging in our network to have a wireless network in their mobile phones. Sometimes hogs up our bandwidth and exceeds our limits. How do we block these devi...

Hello, I have a stack of 5 x 3650 switches with dual power supplies, however only one PS is visible in Solarwinds, namely "Power Supply B".  Can anyone advise why "Power Supply A" does not show?  On the switch both power supplies are showing in "sho...

So a little background, the company has around 90-120 users. Currently we have a 5515x cluster setup for failover, and we have an outside network and inside network(we use this as the server network), then we have another interface on the firewall wh...

Hello,  On my 3850 switch, I would like to know how to check the counters for hardware switched packets and software packets through the VLAN.  which one is the "sh int counter"  I would essentially like to know every packet that is traversing a sw...

Hi,We need to implement DHCP snooping on our network to protect our DHCP architecture, and also meet the pre-requisites for Dynamic ARP inspection and IP Source Guard.I have a few questions regarding DHCP Snooping.1) I have read elswhere that when yo...

Team, Is there any way to find out bandwidth utilization of a class belonging to a policy map ? we had an issue recently that packet drops happens to 2-5 hosts only  in a class , same time another hosts were reachable . But these 5 hosts were reach...

Hi I was wondering, what would be the throughput of WS-C3850-24XS-S  using it as L3 switch. the idea is to compare it to 4500x and N5K

Hi Team, can any one please put a light on the main difference we have in VTP V2 and V3. and is there any other way to secure our VTP beside using Password ? Thank you, Mainodin