In most cases, a branch office uses a static outside IP address to connects to a main office by configuring a site-to-site IPsec VPN between two Cisco ASA firewalls with static IP address on both end, But what if one of the remote ASA firewalls has a dynamic IP address?
DHCP server on a Cisco router or switch.
DHCP is an application layer protocol used to distribute network configuration parameters, such as IP addresses, subnet masks, default gateways, etc.. to devices on the network. a DHCP client send request to a DHCP server. A DHCP server is assigns network parameters (IP address) to the DHCP client from configured IP addresses pool.
Cisco router and switches can be configured as a DHCP server, In this post I will walks you through the configuration process.
The Site-to-Site IPsec VPNs were used to connect two distant LANs together over the Internet. Private addresses were used on the LAN that means without tunneling the two LANs would be unable to communicate with each other.
Cisco WebEx products, it offers real-time collaboration tools, including document, application, and desktop sharing, annotation tools, full host control for effective meeting management, an integrated participant list with active talker, and video switching, recording and playback.
You can deploy and manage Webex conferencing solution in private cloud, behind the firewall in your data center. It is designed for Cisco UCS servers and VMware vSphere.
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How to stretch your network behind firewall to Windows Azure and setting up a Site to Site VPN using RRAS.
You may planning to stretch your datacenter network to Windows Azure by setting up a Site to Site VPN where the VMs up in Azure are effectively connected to the Enterprise Datacenter. The Site to Site VPN just extends the datacenter to allow for VMs to be created in the cloud With VMs both on-premise and up in Azure.
You’ve probably read guidance requiring you to have two network adapters, one for internet facing traffic and the other for internal facing traffic. You may have also read that you must assign a static public IP address on the Internet facing network adapter as you cannot NAT the traffic.
How to install the Cisco Nexus 1000v Switch
One of the amazing virtualization technologies for enterprise that have a dedicated team for servers and Network.
Nexus 1000v is Cisco virtual switch that deploy on vCenter.