Other Network Architecture Subjects

hi all i have a silly doubt. if i buy a 3560 with the SMI image loaded in it. and then i install a EMI image in it then will it support the EMI images. i mean my main doubt is is it just abt the images or do we need a license on the switch for runnin...

How to configure a router interface to be a trunk link and route VLAN, VTP packets to different networks?

Hi. We have a requirement to use QOS on a gig link between two 6500's (one sup II and one sup 720) to guarantee 100 mbps for a SAN. I haven't configured QOS except in the lab and I heard that it doesn't work on 6500's. Has anyone set up QOS on a 6500...

There are lots of TCP Retransmission packet from host A to host B (no such packet from B to A), so the speed between them is slow. No errors on the switch ports. What's the reason couse that and how can I do to improve it?? Host A is a 10/100 M and s...

When a L2 loop is created that brings down the network what contributes more toward the network being unusable, bandwidth consumption or CPU hogging?Also, in broadcast storms (via ARP requests) are the same ARP requests continually sent around the lo...

We just bought this switch used, do the amber lights and no post to the serial mean that the supervisors are spent?

Hii,I intend to create a point to point link between 2 of my office locations seperated by around 40 km, the local link provider for the connectivity betn these locations is the same provider.assuming i use a private stack for the end to end communic...

Please take a look at both Network designs and tell me which is a better option.I have more than 2 vlans but this is just a sample of my setup.I want to make sure I have a redundant inside network. Firewalls are Active/Standby.Please state why you th...

Hi all, if I want to set up a pc on my network of with port 80 is open inbound from the web to it, would I put this in a dmz or would it be ok on the lan ?

Good morning. I have three Catalyst 3750 installed in different locations. I have configured Layer 3 capabilities in them. I would like to know if it is possible that when I include one static route in one of them, this route could be automaticaly co...

do you know if 3560EMI supports VRF-lite?

When doing a "sh vlan" on our 3750 (12.2 20 SE), I have noticed that the information displayed under the ports column is not consist with the configuration. The VLAN membership information seems to be out of date.