Other Network Architecture Subjects

Hi everyone,I have the following scenario:2 1721 routers that I want to connect through GSM modems. The Router to GSM connection is: serial(router side) to DB-25 connector on the modem.Current settings:Serial interface is set to async,I can see the l...

After Initializing Flash, there are some POST Failure. You can see them in the attachment file. One of them:C2900XL POST FAILURE: front-end post:Fastethernet0/21C2900XL POST FAILURE: looped-back packet not receivedThe system Led and the FastEthernet ...

When one orders a pure point to point T-1 link in the USA from AT&T, AT&T (according to their tech support desk does not provide network clock)--and it connects to say Cisco 2600 routers withan internal CSU-DSU card on a WIC...--what clocking options...

I have two Cat6509 (Hybrid) interconnected as Network core. I am planning to have two Stacks of 3 Cat3750 each making a square design for the core (two 6509 and two stak3750 on each corner). Is there any special recomendation related to the IOS for u...

Hello I am trying to find out if the 804 ISDN router will pass on the ANI and DNIS info on the analog ports for appications to access it on those ports.I did not find any info on this on their data sheets or any where, it only mentions about Caller I...

Just a quick question, what is the quickest way to "show" how much RAM my router has? I issued "show memory" and the "Total(b)" shows 29167900, I think the actual is 32Mbytes and the operating system software uses some for itself and accounts for th...

I've plugged all my switches & routers into RME with no problem at all, but I just can't get my PIX in import. Is there something written on how to do this, or some little thing I need to do differently?-Alex

Hi. I have this problem that HP openview is showing too many segments from a cat 6000. In these segments the only device is the cat 6000 itself. So there are about 60 of these segments while the cat 6000 has much more interfaces than that. So HPOV do...

I am having Cat 3500 Series Switch. I have configured 3 VLAN's on it. After checking the status of the same, I am finding that only one VLAN is up. Can anyone help me in changing the status of all three VLAN's to active mode.

Hi,I have two 7507's with all GigE interfaces, running 12.3(1a) IP. Each has approximately 15 GRE tunnels and is routing approximately 35Mbps at peak across the cards. The GRE tunnels are reporting output drops and are being incremented very regula...

What is a low end switch that will allow me to rate limit ports and what commands to I research to accomplish this. Will a 1900 allow me to do this or a 2900, 2950 or higher?

Which CatOS is the most stable version to run IEEE inline power? Thanks.

I'm trying to configure a 6506 with 12.1(20) and a MSFC in it, when I create vlans, I'm able to see only vlan is as up and up, all other vlans appear as down down, I did shut/shut but that doesn't seem to help. Any suggestions?

Hi! Do you have to setup a DHCP server on a 3750 switch if you only want to pass DCHP requests from one VALN to another? It used to work fine on a 2948G-L3 with only using ip helper-address. This does not seem to work on a 3750 using VLANS. Does anyb...

Hi! Do you have to setup a DHCP server on a 3750 switch if you only want to pass DCHP requests from one VALN to another? It used to work fine on a 2948G-L3 with only using ip helper-address. This does not seem to work on a 3750 using VLANS. Does anyb...