Operation Manual

SBG3300-N Series User’s Guide 247
CHAPTER 25
Routing Table
25.1 Overview
Routing is based on the destination address only and the Device takes the shortest path to forward
a packet.
25.2 The Routing Table Screen
Click System Monitor > Routing Table to open the following screen.
Figure 139 System Monitor > Routing Table
The following table describes the labels in this screen.
Table 112 System Monitor > Routing Table
LABEL DESCRIPTION
Destination This indicates the destination IP address of this route.
Gateway This indicates the IP address of the gateway that helps forward this route’s traffic.
Subnet Mask This indicates the destination subnet mask of this route.
Flag This indicates the route status.
U-Up: The route is up.
!-Reject: The route is blocked and will force a route lookup to fail.
G-Gateway: The route uses a gateway to forward traffic.
H-Host: The target of the route is a host.
R-Reinstate: The route is reinstated for dynamic routing.
D-Dynamic (redirect): The route is dynamically installed by a routing daemon or redirect.
M-Modified (redirect): The route is modified from a routing daemon or redirect.
Metric The metric represents the "cost of transmission". A router determines the best route for
transmission by choosing a path with the lowest "cost". The smaller the number, the lower
the "cost".