7/24/2019 Snmp Standard Mibs
1/8
SNMP Standard MIBs
7/24/2019 Snmp Standard Mibs
2/8
MIB-II
Internet Full Standard (RFC 1213) a superset of MIB-I (RFC 1156)
the most mportant and !as" MIB spe"f"aton#
"o$ern% a !road ran%e of mana%ed o!&e"ts "onssts of 1' %roups of o!&e"ts
all o!&e"ts n MIB-II are mandator !ut onl
%roups appl"a!le to mana%ed de$"es need to !e
mplemented
e*%*# !rd%e or router need not mplement the t"p %roup
why not?
7/24/2019 Snmp Standard Mibs
3/8
MIB-II
7/24/2019 Snmp Standard Mibs
4/8
MIB-II GroupsGroup Description
system overall information about the system
interfaces information about the interfaces from the
system to a networ
at description of address translation table for
internet-to-subnet address mappin!
ip information related to IP on this system
icmp information related to I"MP on this system
tcp information related to #"P on this system
udp information related to $DP on this system
egp information related to %GP on this system
transmission information about the transmission schemes
and access protocols at each system interface
snmp information related to SNMP on this system
7/24/2019 Snmp Standard Mibs
5/8
MIB-II System Group
system &mib-' ()
sysDescr &()
sys*b+ectID &')
sys$p#ime &,)
sys"ontact &)
sysName &.)
sys/ocation &0)
sysServices &1)
7/24/2019 Snmp Standard Mibs
6/8
System Group *b+ectsObject Syntax Access Description
sysDescr DisplayString RO A description of the entity, such as
(SIZE (0 ... 2!! hard"are, operating syste#, etc.
sysObjectID O$%E&' IDE'I)IER RO 'he *endor+s authoritati*e identification
of the net"or #anage#ent su-syste#
contained in the entity.
sysUpTime 'i#e'ics RO 'he ti#e since the net"or #anage#ent
portion of the syste# "as last reinitalied.
sysContact DisplayString R/ 'he contact infor#ation
(SIZE (0 ... 2!! of the contact person for this
#anaged node.
sysName DisplayString R/ An ad#inistrati*ely assigned na#e for
(SIZE (0 ... 2!! this #anaged node.
sysLocation DisplayString R/ 'he physical location of this node
(SIZE (0 ... 2!!
sysServices I'EER (0 ... 12! RO A *alue that indicates the set of ser*ices
this entity pri#arily offers
7/24/2019 Snmp Standard Mibs
7/8
sysServices Meanin!s
Service Layer Value Application 34
'ransport 4 5
et"or, 6 4
Data7lin, 2 2 8hysical 1 1
E9a#ples: repeater (physical de*ice! ; 1
-ridge (data7lin, de*ice! ; 2router (net"or, de*ice! ; 2 < 4 ; 3
/=S host ; 34 < 5 ; 2
8& ; 34 < 5 < 4 ; 3
printer ; 34
7/24/2019 Snmp Standard Mibs
8/8
2%3DING
Read Chapter 6 Standard MIBs
Top Related