we can do extended ping and change the size of the ping request, but what will be the size of echo request ?does this varies and is it the same for cisco router or pc ?

hellowhen you have speed and duplex set manualy would this stop the negotiation with the other site ?

helloIs there any way to configure a isdn line to dial and shut down in specifiiec time ?the router is only connected to the isdn if the isdn line is open will be always traffic so i need time related way to shut the line down For making a dial on...