Switching

A while back I came across an eBay auction of a SLM2048T that was sold for parts since it was malfunctioning and I was hoping it would be something fixable, unfortunately I haven't had any luck.When the switch is powered on, the fans start spinning, ...

I am new to networking and have a question about a problem I ran into. I have three switches - s1 is a 3560, s2 is a 2960 and s3 is a 2960.  S1 is connected to s2 and s2 is connected to s3.  When I took over the network segment I noticed that the lin...

What is the lifespan for the switch? by default 10 years or 20 years?

Hello,I have two identical links with Q-in-Q support on 3750X. I want to create path redundancy if one of the links breaks. Link 1 should always have priority for VLAN50 and should only go through link 1, never link 2. The two links should pass VLANs...

we are designing a new solution where a C9500-24Y will be deployed and we need to put GLC-SX-MMD and GLC-TE on it,so is it compatible?do we need an extra config for it or does the switch auto-sense the plugged GBIC and forwards traffic properly? 

Hi I have 2 Nexus 5672 running in vpc.  I'm running Eth1/5 on both i port-channel towards an 7004 (port eth3/1 and 3/2 in port-channel). On one of the 5k's eth1/5 port i see rx pause increase a lot.  None of the other physcal interfaces increases the...

I found following in one of the lectures.But I think following concept is not correct.As per my understanding cost is not the decision factor of following scenario.It should be port id value.Can you please help me to understand the correct logic..Tha...

Hi All, I would like to disable some weak cipher on Cisco 2960 / 4506 but seems no command(s) for removing such ciphers ( e.g. ipssh server algorithm encryption XXX ), does anyone could kindly help me on this ? Thanks so much for this. Model: WS-C296...

Hello,I'm trying to enable SPAN over a 100G port for packet inspection but i can't get it to send traffic.On the N9K everything seems to be working, but on the other side i doesn't get any traffic.I enabled the SPAN with these commands :monitor sessi...

SG300 QoS: I understand most things but I'm missing something!I'm trying to set up a simple QoS in ONE switch that does this:- All data of interest comes in one port and out one port.  There is other data mixed in with the input.I'm trying to first u...

I currently have a 6506-E with a single SUP 720 as one of my distributions for access switches and last night I had an issue with a TM_DATA_PARITY_ERROR and sent this SUP into ROMMON mode. Our after market support stated this could be an environmenta...