Configuring ip helper to manage broadcasts

How IP helper address works & what is the difference between dhcp & IP helper-address .please explain in brief.

Bạn đang xem: Configuring ip helper to manage broadcasts


*

*

Using the ip helper-address command sets up a DHCPhường relay. DHCP.. only works on the LAN to which it is connected because it uses broadcast, which cannot cross a router. To remedy that situation, DHCP relay was created. It gives DHCP. an option so that a router intercepts the DHCPhường. client"s broadcast request, creates a unicast request lớn the DHCPhường hệ thống on a different LAN, & the DHCP.. hệ thống can give sầu a unicast response to the router based on the DHCP option, that then passes on the DHCPhường response khổng lồ the requesting DHCP client.

Xem thêm: Cwe Và Cve Là Gì ? Định Nghĩa Và Giải Thích Ý Nghĩa


*

To add lớn Ron"s great answer:

The key piece of this is that the Router sending the DHCPhường request on behalf of the client will unicast the request with a source address from the address space the client is in (the interface the relay/helper-address is configured on). This is ensures the DHCPhường VPS offers an IP.. from the correct scope.


*

Thanks for contributing an answer khổng lồ Network Engineering Staông xã Exchange!

Please be sure to lớn answer the question. Provide details & giới thiệu your research!

But avoid

Asking for help, clarification, or responding lớn other answers.Making statements based on opinion; back them up with references or personal experience.

Xem thêm: Loose Coupling Là Gì ? Khớp Nối Lỏng Lẻo Là Gì

To learn more, see our tips on writing great answers.


Post Your Answer Disthẻ

By clicking “Post Your Answer”, you agree to lớn our terms of service, privacy policy and cookie policy


Not the answer you're looking for? Browse other questions tagged cisco routing dhcp switching cisco-commands or ask your own question.


*

site design / biểu tượng logo © 2021 Stachồng Exchange Inc; user contributions licensed under cc by-sa. rev2021.4.1.38970


Your privacy

By clicking “Accept all cookies”, you agree Stachồng Exchange can store cookies on your device và discthất bại information in accordance with our Cookie Policy.


Chuyên mục: Công Nghệ