Switching

Hi,I tested the port security on c3560-advipservicesk9-mz.122-46.SE.bin as shown below. Despite setting a limit of one mac address, a burst of faked arp replies from 200.0.0.87 on port 23 killed the ARP table in an instant. Only the switch's own entr...

OK, I feel like a complete prat, but I've been here for close to 15 hours now, and I can't see straight.Here's the deal:I have a L2 switch, a router, and a firewall.L2 Switch --> Router --> Firewall --> InternetThis is stone knives and bearskins, and...

HiWe install our new Storage and we would like to connect it trough our Nexus 2k infrastructure, so our question is very simple:Is it possible to do it trough the SFP-FC8G-SW in the N2K-C2232PP-10GE? Are they compatible and can we configure the Ports...

I am seeing strange behavior from a 3850 stack running EIGRP to a couple of 4507's. Let me start out by saying that over the past couple of weeks, we have replaced 5 stacks using the same configuration template, code version, etc. with no issues. Bef...

I have a Cisco sg 100d-08 unmanaged switched that had been working just fine for several months  but now devices attached to the network thru are no longer on the network.  All lights are on indicating the ports are active.  Tried power recycle but n...

  Hello Friends       I am totally new at this gig, I am trying to config a cisco switch 3750 and the company that left me instuction how to use there commands to write the configs in is no longer available. I will tell you exactly how it goes theref...

Hi,We have a vlan 10 - 192.168.5.1 /24 ( Static IP subnet ) on the core switch.One pc is connected to a port (fa1/0/11) on an edge switch-ES01 ( which has this vlan 6 ) & assigned to vlan 6Pc is given the ip 192.168.5.25 & gateway as 192.168.5.1But, ...

Hi Fellow Techies,I've been trying to tackle this problem for 2 weeks or so and it has become irritating finally I thought i should get your thoughts on this problem. What am i missing ?This is part of my homelab infrastructure.InterVLAN routing is w...

Hi we are seeing this issue across the board on our 3750 stacks.you can see nothing showing that would cause the CPU spike.  Currently running Version 15.0(2)SE2, and have had no problems since install (march of this year).  Not trying to upgrade/dow...

Hi all,We have recently purchased 2 x 4900M switches with the following configuration:2 x X2-10GB-SR installed in port te1/1, 1/2 (optical)1 x 20 x 1GB RJ45 installed in the top left of chasis ge2/1 - 2/201 x WS-X4908-10G-RJ45 8 port 1/2 card in the ...