Other Network Architecture Subjects

Hi forum !I have a little problem here.I have some VLANs on my LAN and i need to put them in a Q-in-Q, so i can pass those VLANs trough my SP's MAN and deQ-in-Q the frames out to a remote office.My SP is givving me a trunk, which i connect to a GBIC-...

I apologize for the swarm of questions, but we're getting ready for a major upgrade and I'm just trying to get some clarification on a few things.DHCP snooping we've tested on 3550s, and it works great locally. We then figured out, in installation, ...

I have some Cat 4503 switches (S2+) linked via 1000BaseSX connections. One switch is at the centre with a WS-X4306 card, and another three uplink to it via their supervisor cards.I did a show interface counters all recently, and I notice a large num...

I have a catalyst 4006 L3 switch which uses catos for the l3 ports and ios for the l2 ports. the 4006 as a supervisor engine 2 blade and a 4148-rj blade. I would like to remove the catos from the switch and use only the ios. Any problems with doin...

What would you guys suggest for implementing VLANs. We have a 1841 router, we have about 200 users. What switch would you suggest? we dont need anthing to extreme. And im running IOS 12.3 on the 1841 does that support ip helper? I cant seem to find i...

I cannot get an Intel 1000 MT NIC to negotiate at port speed 1000. I have tried using Auto on both sides and hard setting the port speed. I have even upgraded the driver. Any ideas out there?Thanks,Forest

Guys, Reading the Cat QoS book, and on page 258 (or approx) it seems to indicate that if you have a line card that supports ports that have a priority receive queue, you can only put frames into this queue if it comes in on a trunk (isl or dot1q), if...

I swapped out a 2950T-24 switch on Friday evening because it was deemed defective by TAC. All seemed well that evening, but when the users came in Monday morning and began exercising the network, I began to experience serious issues. There are thre...

on a show int of a cat 6500 (on several ports) I see some input drops. The input drops are equal to input errors.But NO PHISICAL ERROR IS RELATED TO INPUT ERROR (NOCRC, NOTHING, ...).What does it mean to have input errors and drops withtou having phi...

In our core network, we have a DMZ that provides public access to web/mail servers, etc. Some administrators want to remotely access additional servers in that DMZ, but we don't want them to gain access to other servers once they are inside the netwo...

i was recently shown the port security commands on a 2950 switch. my boss like it and now wants to implement that idea onto the 3550. the commands are not there wondering if anyone know another way i can lock down the ports by mac address

Dear Sir/Madam, I am facing a problem regarding ARP broadcast message.I want to stop these type of broadcast over WAN.Here is senario. Station A is connected to Station B via Wireless radio Bridge.At station A i run a packet analizing tool.Where i se...