Table 15-9 Sample Routing Table Entries - Cisco ONS 15454 DWDM Reference Manual
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15.5 Routing Table
Table 15-9
Table 15-9
Entry
1
2
3
4
5
Entry 1 shows the following:
Destination (0.0.0.0) is the default route entry. All undefined destination network or host entries on
•
this routing table are mapped to the default route entry.
Mask (0.0.0.0) is always 0 for the default route.
•
Gateway (172.20.214.1) is the default gateway address. All outbound traffic that cannot be found in
•
this routing table or is not on the node's local subnet is sent to this gateway.
Interface (motfcc0) indicates that the ONS 15454 Ethernet interface is used to reach the gateway.
•
Entry 2 shows the following:
Destination (172.20.214.0) is the destination network IP address.
•
Mask (255.255.255.0) is a 24-bit mask, meaning all addresses within the 172.20.214.0 subnet can
•
be a destination.
Gateway (172.20.214.92) is the gateway address. All outbound traffic belonging to this network is
•
sent to this gateway.
Interface (motfcc0) indicates that the ONS 15454 Ethernet interface is used to reach the gateway.
•
Entry 3 shows the following:
Destination (172.20.214.92) is the destination host IP address.
•
Mask (255.255.255.255) is a 32 bit mask, meaning only the 172.20.214.92 address is a destination.
•
Gateway (127.0.0.1) is a loopback address. The host directs network traffic to itself using this
•
address.
Interface (lo0) indicates that the local loopback interface is used to reach the gateway.
•
Entry 4 shows the following:
Destination (172.20.214.93) is the destination host IP address.
•
Mask (255.255.255.255) is a 32 bit mask, meaning only the 172.20.214.93 address is a destination.
•
Gateway (0.0.0.0) means the destination host is directly attached to the node.
•
Interface (pdcc0) indicates that a DCC interface is used to reach the destination host.
•
Entry 5 shows a DCC-connected node that is accessible through a node that is not directly connected:
•
Destination (172.20.214.94) is the destination host IP address.
Cisco ONS 15454 DWDM Reference Manual, R8.5
15-40
pdcc0—An SDCC or RS-DCC interface, that is, an OC-N/STM-N trunk card identified as the
–
SDCC or RS-DCC termination.
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lo0—A loopback interface.
shows sample routing entries for an ONS 15454.
Sample Routing Table Entries
Destination
Mask
0.0.0.0
0.0.0.0
172.20.214.0
255.255.255.0
172.20.214.92
255.255.255.255
172.20.214.93
255.255.255.255
172.20.214.94
255.255.255.255
Chapter 15
Management Network Connectivity
Gateway
Usage
172.20.214.1
265103
172.20.214.92
0
127.0.0.1
54
0.0.0.0
16853
172.20.214.93
16853
Interface
motfcc0
motfcc0
lo0
pdcc0
pdcc0
78-18343-02
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