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ICR-1601
102
Pass Through
Enable
The boxes are checked
by default
Check the box to enable the pass through function for the IPSec, PPTP,
and L2TP.
With the pass through function enabled, the VPN hosts behind the router
still can connect to remote VPN servers.
Save
N/A
Click the Save button to save the settings.
Undo
N/A
Click the Undo button to cancel the settings
2.7
Routing
If you have more than one router and subnet, you will need to enable routing function to allow packets
to find proper routing path and allow different subnets to communicate with each other. Routing is the
process of selecting best paths in a network. It is performed for many kinds of networks, like electronic
data networks (such as the Internet), by using packet switching technology. The routing process usually
directs forwarding on the basis of routing tables which maintain a record of the routes to various network
destinations. Thus, constructing routing tables, which are held in the router's memory, is very important
for efficient routing. Most routing algorithms use only one network path at a time.
The routing tables record your pre-defined routing paths for some specific destination subnets. It is
static routing. However, if the contents of routing tables record the obtained routing paths from neighbor
routers by using some protocols, such as RIP, OSPF and BGP. It is dynamic routing. These both routing
approaches will be illustrated one after one. In addition, the router also built in one advanced configurable
routing software Quagga for more complex routing applications, you can configure it if required via Telnet
CLI.
Содержание ICR-1601
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