DHCP Snooping in a switch that is the DHCP server as well
I'm working on the configuration of IP DHCP snooping and DAI on some of the customer´s branch offices, I've found a lot of information in guides and blogs and so but my deployment is quite different of the traditional approaches that those guides show.
I have a Metro-E connecting some 3850 Switches in Stack that work as the core switches for each branch office. Those switches are the DHCP servers as well for each location. I totally understand DHCP snooping and how to configure it in all my Access switches (typically 2960 and 3560), my question is regarding the utilization of the following two commands into my Core Switch and if I should configure this one with DHCP Snooping ( I think I should).
1. ip dhcp snooping information option allow-untrusted
As I understand this command is used into the switches in order to permit the packets with option-82 enabled in any untrusted port. So I need it because at the core I will received a bunch of packets with this option because of the Access Switches.
2. ip dhcp relay information trust-all
I've read that this command is usually used in IOS routers (where the DHCP service is configured) in order to allow any packet with the very same option 82.
In my case, as there is no router and the Core Switch is the DHCP server should I use both commands or with the 1. would be enough?? please justify your answer in order to totally understand these features.
Topic: Auto-Summarization in IGP (EIGRP and RIP)
I know you may know about Auto Summary, but there are very few documents about Auto Summary. I decided to describe it in simple words. I saw that many CCNA and CCNP students face diff...
The template editor is a standalone application that can be used to Build your Day-0 (PnP) or Day-N configurations.
•Day-0 (PnP) : Is your PnP/Onboarding Template . This is a one-time Template that used while you onboard your ...
Join us on Thursday, May 21 at 10 am PT (and on demand after) as we discuss what multicloud is and how organizations can use it to optimize the user experience around SaaS and IaaS.
We'll take your questions during the event and after - so post them below...