how to configure site to site vpn between two cisco 881 series and two offices have dynamic address...

abdulkader.naji1 · ‎07-20-2016

Hi,

I hope I can find answer ,I have two office how to create site to site between them if both have adsl connection .

the Headqaurter has ddns on the adsl modem but the branch don't has.

is it possible how to do

how to configure
site to site vpn between two cisco 881 series and two offices have dynamic address behind adsl

smtp.office365.com

Mark Malone · ‎07-21-2016

Hi

if I understood that correctly , maybe this doc will help you

Introduction

This document describes how to build a LAN-to-LAN IPsec tunnel between Cisco routers when both ends have dynamic IP addresses but the Dynamic Domain Name System (DDNS) is configured.

http://www.cisco.com/c/en/us/support/docs/security-vpn/ipsec-architecture-implementation/118048-technote-ipsec-00.html

or

http://www.firewall.cx/cisco-technical-knowledgebase/cisco-routers/936-cisco-router-vpn-dynamic-endpoint.html

standard ipsec lan - lan

http://www.cisco.com/c/en/us/support/docs/routers/1700-series-modular-access-routers/71462-rtr-l2l-ipsec-split.html

how to configure site to site vpn between two cisco 881 series and two offices have dynamic address behind adsl

Introduction