Other Network Architecture Subjects

GnetlemenI read the following off of the PSIRT site:Using CatOS with Sup2 and MLS to Detect Infected Hosts MLS statistics can help track down infected hosts. NetFlow should be enabled in full flow to see source and destination ports, as in the follow...

I would like to integrate an uBR924 into my private network at home.Nothing fancy,just uBR924 configured as a plain old cable-modem!! I already have a 1720 RTR for my routing. Problem is, whenever I try to configure the uBR924 for bridging, during bo...

I need some information about the 905 cable routers.I am doing an install for a customer and Comcast is putting a ubr905 cable router/modem in with a static ip address.Will it be possible to put another router(an 831 for example) behind that and assi...

I normally use 2503 to connect to my 2511s in case of network failue, I can use this as a back door ... dialing the ISDN Bri with dynamic routing gives me what I need. Although the 2503 is end of sale - anyone have any suggestions as to what I can u...

Hi to allWe have several Catalyst 2950G-48, all connected to a central multilayer switch. 4 Vlans are configured and we have 60 users. My question is how we can determine the switch port at which a certain user is connected if we know the IP of that ...

Good Morning all,I have got a 2610 that is doing NAT between two networks.We have performances problem and the CPU in the traffic burst reach betwenn 80% and 95%.We have also available a 2621XM.Before to strart the substitution of the router I'd like...

I've got two questions regarding ISIS (dual ISIS):1. When I redistribute into ISIS as L2 external, how is metric calculated?2. COmparing to OSPF, what are advantages and disadvantages of ISIS in the real world? And therefore where can it be preferred...

Hi,I want to know why CEF is less CPU-intensive than fast switching route caching?is that using another hardware like ASICs or has optimizing algorithm?I would be appreciate if you advice me.Kind Regards,M.A.Rad

Hi,Does anyone know of a good tool for analysing traffic flows based on IP origin/destination/AS etc.I need it to be able to correcly optimize our outgoing internet traffic. My goal is to find out how much traffic goes to the different ASs on the int...

Here is my situation; my manager is interested in tracking all changes made to equipment in our infrastructure. This way the changes can be mapped to a specific change control for this change. We are using AAA with local usernames and passwords on ...

Is the part WS-X6K-S2-PFC2= a correct substitute for WS-X6K-SUP2-2GE with WS-F6K-PFC2? On the 6509 show module shows parts WS-X6K-SUP2-2GE with WS-F6K-PFC2, but on CCO I couldn't find that part to order. Instead looks like WS-X6K-S2-PFC2= was sub...

Hello,Question is on the cat6500 with sup2 and msfc2.Assuming that there is just single cat6500 and it has 50xFast etherenet ports, and configured few vlans for unicast and broadcast. vlan1: port1-25 vlan2: port26-50And configured the 10 multica...