Switching

Hi everybody,I encountered many crashes during only short time period. I'm using Cat 3550 and there was more than 5 crashes during only few weeks.Do a high CPU load for about 80 percent can be the cause? Loops?Energy is well managed as the sites are ...

Hello!Please, take a look at the attached scheme.Client has a VLAN link through the provider network.Connection points (to SW-1 and SW-4) are geographically distributed (about 400 km).All provider switches are L3, interfaces Gi0/1 and Gi0/2 on SW-1 a...

Hi all,Recently I did a test with 2x 2960 and 2x SDH equipment from Haliplex. According to the vendor they're on Layer 1 only.As per the diagram, we have a Catalyst 2960 on each end. Both Gi0/1 on the 2 switches are configured as trunk. So I have 2 l...

I have a 4900M here with X2 10GE transceiver slots.and a bunch of Nexu 5000 to be connected to it.since the distance is just 2-4 meters we would like to use the cheap copper cables.Problem is there is no SFP+-to-X2 cable i just found out there is an ...

Dear Experts,I need to Implement Network Infrastructure.For the same campus.Topology and Configuration is ready with Redundancy using HSRP. Now I am stuck at adding QoS configuration LAN environment.Can you guide me. Can you show me sample configurat...

Hi,I have a 6506 switch used as an L3 switch and running image as s3223-advipservicesk9_wan-mz.122-18.SXF14.bin.The switch CPU utilization is going high intermittently above 90% and it comes down automatically.I can see that the 64% of the cpu utiliz...

hi!The vlan question is that i've 2x L2 3560 sitting behind a firewall connected to my core sw(4506). Behind this firewall, the 2x L2 switches(3560) are not configured with any vlan. it has only one network segment within it. The gw for this network ...

Dear All,i want to upgrade 3560 to new ios image.Iam using .bin file to upgrade.When i compared the remaining flash size(7mb) to new ios image(10 mb), it is less.I have only one old IOS image.Iam worried if i put" delete flash:<filename>, i will not ...

Hi,I am unable to log on Cisco NAC( WS-SVC-NAM-2) thorugh GUI.Not using TACACS.But I am able to login through the switch(6500).Also we get the error message when we run the command sh run in NAM/bin/echo: write error: No space left on device/bin/echo...

I need to understand this output>>> %C6K_POWER-1-PD_HW_FAULTY: There's a hardware problem on port [dec]/[dec]. Power is turned off on the port. <<<Does this mean that the issue is with the switch port hardware or the Ip Phone hardware?

Hi All,we have a block of IP addresses from service provider. it seems one of the IP addresses doesn't exist. beside pinging the IP address, how can we make sure service provider assigns all IP addresses?any suggestion would be very appreciated.Alex

What are the specification of CPU used in 2960S?How many ACLs are supported in 2960S?

I'd like to make the 6506 to be as a VTP serverI use only internal vlans for my purposes.But, when I do:#vtp mode server Mode change not allowed. VTP VLAN is in use internally.Features using internal VLANs in 1..1005 range m...