I wanna ask one thing .. When we use SSH instead of telnet in switch then why do we need domain name command for configuring SSH .. I couldn't get...

thnx durga for resolving my queries ..

durga thnx for telling me .. Pc .......>S1......>R1......>DHCP Server .. Now tel me if PC needs an IP address and it broadcasts .. Will router forward it to DHCP server...

pawanpreet singhI wanna know about both L2 and L3 broadcast .. plz give me full description about it ..

I wanna know about both L2 and L3 broadcast .. plz give me full description about it ..

Can someone inform me the basics of router and how does a router brodcast signal, if it actually does?