DELL S50V User Manual
Link Layer Discovery Protocol | 585
Optional TLVs
FTOS supports the following optional TLVs:
•
Management
TLVs
•
IEEE 802.1 and 802.3 Organizationally Specific TLVs
•
TIA-1057 Organizationally Specific TLVs
Management TLVs
A Management TLV is an Optional TLVs sub-type. This kind of TLV contains essential management
information about the sender. The five types are described in
information about the sender. The five types are described in
.
Organizationally Specific TLVs
Organizationally specific TLVs can be defined by a professional organization or a vendor. They have two
mandatory fields (
mandatory fields (
) in addition to the basic TLV fields (
):
•
Organizationally Unique Identifier (OUI)—a unique number assigned by the IEEE to an organization
or vendor.
or vendor.
•
OUI Sub-type—These sub-types indicate the kind of information in the following data field. The
sub-types are determined by the owner of the OUI.
sub-types are determined by the owner of the OUI.
Figure 26-3. Organizationally Specific TLV
IEEE Organizationally Specific TLVs
) as a basic
part of LLDP; the IEEE OUI is 00-80-C2. You can configure the Dell Force10 system to advertise any or
all of these TLVs.
all of these TLVs.
Table 26-2. Optional TLV Types
Type TLV
Description
Optional TLVs
4
Port description
A user-defined alphanumeric string that describes the port. FTOS does not
currently support this TLV.
currently support this TLV.
5
System name
A user-defined alphanumeric string that identifies the system.
6
System description
A user-defined alphanumeric string that describes the system
TLV Type
(127)
(127)
TLV Length
Organizationally
Unique ID
(OUI)
Unique ID
(OUI)
Organizationally
Defined Sub-type
Defined Sub-type
Organizationally Specific
Data
Data
fnC0052mp
7 bits
9 bits
3 octets
1 octet
0 - 507 octets