Other Network Architecture Subjects

I know how to subnet a Class C adress. However, there is a question of a class B adress that I can't figure it out.This is what I know, this is a simalar question.What is the broadcas adress of this IP172.16.10.33? /27 ?Answer is:/27=  is 3 bits so i...

Hello,I've got a stack of 3750 switches connecting to a PIX 515e then off to an ISPs router...We have a 20meg link from the ISPs router to the Internet.But, we are not getting 20 meg speeds when we download anything from the Net. I've done countless ...

Dear allI'm having a very strange situation here (at least for me)we have 4 core switches2 x   WS-C3750G-24T-S Catalyst 3750 24 10/100/1000T + IPB Imageand2 x   WS-C3750G-12S-S Catalyst 3750 12 SFP + IPB ImageStack configuration is done this waywhen ...

HI,  I want to known if there is a command like calling-number outbound for E1's with R2-Digital ?I use the reverse telnet at 7001 port to dial to a provider and I need that on the providerappears 30 different numbers instead only one (E1's trunk one...

Hi,Can you do DMZ and NAT/PAT with a single public IP address on ASA5520? I have uplink in PPPoE and has only one public ip address. Would like to put anti-spam(eg. A.B.C.44) in the DMZ and there are a number of servers(eg. X.Y.Z.1, X.Y.Z.2 and X.Y.Z...

I am having problem with one of my SPA-2X1GE cards in cisco 7606 router.There are two SPA-2X1GE in my router and one is not coming up.Previously it was having the IOS Image:c7600rsp72043-advipservices-mz.122-33.SRD3.binbut now we upgraded a new IOS s...

I have been looking round the Cisco web site to no avail. Is there any limit on the number of access list entries on either a 2811 or 7206?Thanks,Paul.

HelloI need to boot Cisco1841 with USB Drive instead of Compact Flash but I don't know what should I do.I heard I need to format USB Drive with FAT and need to save IOS on the USB Drive.Before boot, Need to set config register ? I am not sure which p...

Does anybody know what the transmitter minimum power and receiver minimum sensitivity of Cisco 10G cards such as X2-10GB-LX4 or X2-10GB-LR are?

Hi AllI'm running a couple of stacks of 3750's and I am having a problem with the Software syncronisation feature. Basically, the sync does not work. When I add an additional switch, the systems detects the out-of-date sw-version and tries to replic...

We have a need to netboot a PC with Linux via a Cisco router (I.E. PXEboot).We have copied the PXE linux.cfg files to the Cisco router's flash, (Cisco 2821, IOS Advanced Security 15-1.2-T1).We have setup the router as a TFTP server with defaulted pat...