ZyXEL Communications Unified Security Gateway ZyWALL 300, User Manual

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Chapter 54 Packet Flow Explore
ZyWALL USG 300 User’s Guide
912
The following table describes the labels in this screen.
Table 272 Maintenance > Packet Flow Explore > Routing Status
LABEL DESCRIPTION
Routing
Flow
This section shows you the flow of how the ZyWALL determines where to
route a packet. Click a function box to display the related settings in the
Routing Table section.
Routing
Table
This section shows the corresponding settings according to the function box
you click in the
Routing Flow
section.
The following fields are available if you click
Direct Route
,
Static-Dynamic Route
, or
Main Route in the Routing Flow section.
# This field is a sequential value, and it is not associated with any entry.
Destination This is the destination IP address of a route.
Gateway
This is the IP address of the next-hop gateway or the interface through
which the traffic is routed.
Interface This is the name of an interface associated with the route.
Metric This is the route’s priority among the displayed routes.
Flags This indicates additional information for the route. The possible flags are:
• A - this route is currently activated
•
S
- this is a static route
• C - this is a direct connected route
•
O
- this is a dynamic route learned through OSPF
• R - this is a dynamic route learned through RIP
•
G
- the route is to a gateway (router) in the same network.
• ! - this is a route which forces a route lookup to fail.
•
B
- this is a route which discards packets.
• L - this is a recursive route.
Persist This is the remaining time of a dynamically learned route. The ZyWALL
removes the route after this time period is counted down to zero.
The following fields are available if you click
Policy Route
in the
Routing Flow
section.
# This field is a sequential value, and it is not associated with any entry.
PR # This is the number of an activated policy route. If you have configured a
schedule for the route, this screen only displays the route at the scheduled
time.
Incoming This is the interface on which the packets are received.
Source This is the source IP address(es) from which the packets are sent.
Destination This is the destination IP address(es) to which the packets are transmitted.
Service
This is the name of the service object.
any
means all services.
DSCP Code This is the DSCP value of incoming packets to which this policy route
applies. See Section 15.2 on page 382 for more information.
Next Hop
Type
This is the type of the next hop to which packets are directed.