Deployment Guide

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4.4.12 Ports
This section lists the DNOS-OF supported properties for physical and reserved ports.
4.4.12.1 Physical Ports
DNOS-OF supports physical ports that are available on specific target platforms. Ports are identified using a
32-bit ifNum value. The most significant two bytes indicate the type of port. Only physical ports are
supported in DNOS-OF. Physical ports are front panel ports on the abstract switch.
DNOS-OF supports the physical port features listed in Table 73.
Table 70: Port Type Numbering Conventions
Type
Numbering
Description
Physical
0x0000 xxxx
Physical (front panel) port
Reserved
0xFFFF xxxx
Reserved ports as defined in the OpenFlow specification.
Table 73. DNOS-OF Port Features
Name
Bits
Configurable?
Description
Number
32
No
ifNum (should be the same as in interface MIB)
Hardware
Address
48
No
MAC address assigned to port.
Name
128
Yes
16-byte string name (should be the same as in
interface MIB)
Configured
State
32
Yes
Port is administratively up (0) or down (1)
Current
State
32
No
Port link (operational) state is up (0), live (4), or down
(1). Generally a port is live if operationally up.
Current
Features
32
No
DNOS-OF supports the feature bitmap in Table 74. A
one indicates the feature is currently active.
Advertised
Features
32
No
DNOS-OF supports the feature bitmap in Table 74. A
zero bit indicates the feature is not available.
Supported
Features
32
No
DNOS-OF supports the features in Table 74. A zero bit
indicates the feature is not supported.
Peer
Features
32
No
Bitmap indicating capabilities advertised by the peer
from Table 74.
Current
Speed
32
No
Current port bitrate in kbps
Max Speed
32
No
Maximum port bitrate in kbps
Note: Not all of the above may be applicable to the LOCAL or CONTROLLER reserved port.
Table 74 shows the port features bitmap referenced from the table above and the OpenFlow Port Features
subclasses in Figure 16.