Chapter 41 Packet Flow Explore
ZyWALL ATP Series User’s Guide
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The following table describes the labels in this screen.
Table 356 Maintenance > Packet Flow Explore > Routing Status
LABEL
DESCRIPTION
Routing Flow
This section shows you the flow of how the Zyxel Device 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
•
B
- this is a dynamic route learned through BGP
•
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 Zyxel Device 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.
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.
Source Port
This is the source port(s) from which the packets are sent.
DSCP Code
This is the DSCP value of incoming packets to which this policy route applies. See
for more information.
Next Hop Type
This is the type of the next hop to which packets are directed.
Next Hop Info
• This is the main route if the next hop type is
Auto
.
• This is the interface name and gateway IP address if the next hop type is
Interface /GW
.
• This is the tunnel name if the next hop type is
VPN Tunnel
.
• This is the trunk name if the next hop type is
Trunk
.
The following fields are available if you click
1-1 SNAT
in the
Routing Flow
section.
#
This field is a sequential value, and it is not associated with any entry.
NAT Rule
This is the name of an activated 1:1 or Many 1:1 NAT rule in the NAT table.
Source
This is the external source IP address(es).
Protocol
This is the transport layer protocol.
Source Port
This is the source port number.