Just to give a little of an explanation with that, DHCP discovery messages are initially sent via broadcasts out by the client looking for a DHCP server. As we know, routers stop broadcasts in there tracks. In order to fix this issue, you configure the interface where the DHCP discovery broadcasts would be coming in with the ip helper-address to "convert" the broadcasts into a more accurately directed unicast towards the DHCP server. After discovery, the offer, request and acknowledgements messages of DHCP are all sent as unicast messages.
I'm working on a project that includes basic router configurations. I configurated everything including: line console 0, line vty 0 15 and secret passwords. There are 3 routers in the network and every LAN is going t...
Desire to create Terminal Server ("TS" in this document) out of 2811 Cisco Router with HWIC-16A card (with Octal cables)
Desire to use SSH over Telnet
TS is ip'ed, SSH access configured (to the TS)
Python based Script to BULK Import/Delete devices using Cisco Prime API
Check my Repo on GitHub for all the details ( see below link )