HP StorageWorks 2/140 FW 07.00.00/HAFM SW 08.06.00 McDATA E/OS SNMP Support Ma - Page 404

Address Translation group, ifSpecific, atTable

Page 404 highlights

MIB II E ifSpecific Syntax Access Status Description Sequence OBJECT IDENTIFIER read-only mandatory A reference to MIB definitions specific to the particular media being used to realize the interface. For example, if the interface is realized by an ethernet, then the value of this object refers to a document defining objects specific to ethernet. If this information is not present, its value should be set to the OBJECT IDENTIFIER { 0 0 }, which is a syntatically valid object identifier, and any conformant implementation of ASN.1 and BER must be able to generate and recognize this value. ::= { ifEntry 22 } Address Translation group Implementation of the Address Translation group is mandatory for all systems. Note however that this group is deprecated by MIB-II. That is, it is being included solely for compatibility with MIB-I nodes, and will most likely be excluded from MIB-III nodes. From MIB-II and onwards, each network protocol group contains its own address translation tables. The Address Translation group contains one table which is the union across all interfaces of the translation tables for converting a NetworkAddress (e.g., an IP address) into a subnetwork-specific address. For lack of a better term, this document refers to such a subnetwork-specific address as a `physical' address. Examples of such translation tables are: for broadcast media where ARP is in use, the translation table is equivalent to the ARP cache; or, on an X.25 network where non-algorithmic translation to X.121 addresses is required, the translation table contains the NetworkAddress to X.121 address equivalences. atTable Syntax Access SEQUENCE OF AtEntry not-accessible E-14 E/OS SNMP Support Manual

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E
E-14
E/OS SNMP Support Manual
MIB II
ifSpecific
Syntax
OBJECT IDENTIFIER
Access
read-only
Status
mandatory
Description
A reference to MIB definitions specific to the particular media being
used to realize the interface.
For example, if the interface is realized
by an ethernet, then the value of this object refers to a document
defining objects specific to ethernet. If this information is not present,
its value should be set to the OBJECT IDENTIFIER { 0 0 }, which is a
syntatically valid object identifier, and any conformant
implementation of ASN.1 and BER must be able to generate and
recognize this value.
Sequence
::= { ifEntry 22 }
Address Translation group
Implementation of the Address Translation group is mandatory for
all systems.
Note however that this group is deprecated by MIB-II.
That is, it is being included solely for compatibility with MIB-I nodes,
and will most likely be excluded from MIB-III nodes.
From MIB-II
and onwards, each network protocol group contains its own address
translation tables.
The Address Translation group contains one table which is the union
across all interfaces of the translation tables for converting a
NetworkAddress (e.g., an IP address) into a subnetwork-specific
address.
For lack of a better term, this document refers to such a
subnetwork-specific address as a `physical' address.
Examples of such translation tables are: for broadcast media where
ARP is in use, the translation table is equivalent to the ARP cache; or,
on an X.25 network where non-algorithmic translation to X.121
addresses is required, the translation table contains the
NetworkAddress to X.121 address equivalences.
atTable
Syntax
SEQUENCE OF AtEntry
Access
not-accessible