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A list of SLB statistics for a particular SLB entity.

Information about a particular server farm served by
a particular local SLB entity.

Information about a particular real server in a
particular server farm, served by a particular local
SLB entity.  

Information about a particular virtual server served
by a particular local SLB entity.

A list of attributes for a particular SLB connection.

Information about a particular client range for a
virtual server served by a particular local SLB entity.
If client ranges overlap, the entry with the longest
match will be used.

Information about a particular sticky object for
clients at a particular IP address served by a
particular local SLB entity.

The virtual server notification truth value.
'true'  Indicates that ciscoSlbVirtualStateChange
notification is to be generated when the state
changes. That is, the notification generation
is enabled.
'false' Indicates that ciscoSlbVirtualStateChange
notification generation is disabled.

The real server notification truth value.
'true'  Indicates that ciscoSlbRealStateChange
notification is to be generated when the state
changes. That is, the notification generation
is enabled.
'false' Indicates that ciscoSlbRealStateChange
notification generation is disabled.

An entry in this table represents the password used
by a particular DFP manager (identified by slbEntity)
when it exchanges messages with DFP agents.

Information about the communication between a local
DFP manager and a particular remote DFP agent.

Information about a particular real server, within
one or more server farms (identified with 'bindId'),
reported by a DFP agent for a particular local SLB
entity. The real servers are identified by finding
rows in slbServerFarmTable for which
slbServerFarmBindId matches slbDfpRealBindId. For each
identified server farm, extract the slbServerFarmName
and use this value together with slbDfpRealIpAddress
and slbDfpRealPort to identify the row in
slbRealTable.

The SLB instance reference number for this server.
This allows multiple SLB's to exist on the same SNMP
system.

The number of packets forwarded by the Software Load
Balancing manager's software.

The number of packets forwarded by the Software Load
Balancing manager's software.  This is the 64-bit
version of slbStatsUnassistedPkts.

The number of packets handled by SLB which were
switched via the highest-performance switching path.

The number of packets handled by SLB which were
switched via the highest-performance switching path.
This is the 64-bit version of
slbStatsAssistedSwitchingPkts.

The number of TCP and UDP connections created since
SLB was configured.  TCP connections are created
after seeing a SYN for a connection.  UDP connections
are created based on the source and destination and
are removed based on a timer.

The number of connections created by SLB since it was
configured.  TCP connections are created after seeing a
SYN for a connection.  UDP connections are created
based on the source and destination and are removed
based on a timer.  This is the 64-bit version of
slbStatsCreatedConnections.

The number of connections established through SLB
(reached the ESTAB state).  TCP connections reach
the ESTAB state after a SYN - SYN/ACK exchange.  UDP
connections reach the ESTAB state after data is sent
from the client or server.

The number of connections established through SLB
(reached the ESTAB state).  TCP connections reach
the ESTAB state after a SYN - SYN/ACK exchange.  UDP
connections reach the ESTAB state after data is sent
from the client or server.  This is the 64-bit version
of slbStatsEstablisedConnections.

The number of TCP and UDP connections destroyed by
SLB, either by TCPIP teardown or timeout.  UDP
connections can only be timed out.

The number of TCP and UDP connections destroyed by SLB,
either by TCPIP teardown or timeout.  UDP connections
can only be timed out.  This is the 64-bit version of
slbStatsDestroyedConnections.

The number of TCP and UDP connections reassigned from
one real server to another.

The number of TCP and UDP connections reassigned from
one real server to another.  This is the 64-bit version
of slbStatsReassignedConnections.

The number of TCP and UDP connections currently in
the zombie state waiting for timers to expire.

The number of TCP and UDP connections currently in
the zombie state waiting for timers to expire.  This
is the 64-bit version of slbStatsZombies.

The name of server farm.

The load balancing algorithm in use by the server farm
for its real servers for the local SLB entity.

The type of NAT employed by the local SLB entity for
servers in this server farm.

The number of real servers in this server farm.

slbServerFarmBindId is used to identify one or more
real servers for which slbDfpRealWeight applies to the
real server's slbRealOperWeight. The identification
is done by finding rows in slbServerFarmTable for which
slbServerFarmBindId matches slbDfpRealBindId. For each
identified server farm, extract the slbServerFarmName
and use this value together with slbDfpRealIpAddress
and slbDfpRealPort to identify the row in
slbRealTable.

The object is used by a management station to create
or delete the row entry in slbServerFarmTable following
the RowStatus textual convention.

The real server's server farm name.

The IP address of real server.

The TCP or UDP port of real server.  This is used if
SLB NAT is configured (see slbServerFarmNat).  If SLB
is not using NAT, this value will be 0.

The current state of real server.

The number TCP and UDP connections currently assigned
to this real server.

The current number of idle dummy connections that are
not in use but are reserved for this real server to
accomplish slow-start.

The configured maximum number of concurrent connections
which SLB will deliver to this real server.

The user configured weight of the real server for the
load-balancing algorithms.  A weight of zero indicates
that no new connections will be assigned to this real
server.  Higher weight values indicate to the
load-balancing algorithms a higher availability of this
real server to accept more work.

The actual operating weight of the real server used
by the load-balancing algorithms.  This can be adjusted
dynamically by DFP.  A weight of zero indicates that no
new connections will be assigned to this real server.
Higher weight values indicate to the load-balancing
algorithms a higher availability of this real server to
accept more work.

The value used by the least connections load-balancing
algorithm.  It is the number of connections divided by
the actual operating weight.  New connections will be
given to the server with the smaller metric.

The number of consecutive TCP SYNs sent to the real
server with no answer before reassigning the
connection to another real server.

The time interval between retries while the server is
in the Failed state.

The number of failed connections after which the real
server goes to Failed state.  A failed connection is
when a SYN timeouts or a RST is received from the
real server.

The number of connections with distinct client IP
addresses which need to fail on this real server
before it goes to Failed state.  A failed connection
is when a SYN timeouts or a RST is received from the
real server.

The number of connection failures to this real
server without a successful connection.  A failed
connection is when a SYN timeouts or a RST is received
from the real server.

The total number of times this real server has failed
since the creation of this row.

The object used by a management station to create
or delete the row entry in slbRealTable following the
RowStatus textual convention.

The number of assigned connections handled by this
real server since this server was configured.

The number of assigned connections handled by this
real server since this server was configured.  This
is the 64-bit version of slbRealTotalConnections.

The name of the virtual server.

The state of virtual server.

The index assigned to a virtual server, used to
correlate connections with virtual servers.

The IP address of this virtual server.

The port of this virtual server.

The protocol for this virtual server.

The service setting for this virtual server.  Setting
this to other than 'none' results in an association
being formed between clients using this service and
this virtual server. Subsequent packets from clients
requiring this service will be forwarded to the
nominated real server.

The setting for virtual address advertising.  It is
set to 'true' if this virtual server has added a static
route to the routing table attracting traffic destined
for slbVirtualIpAddress.

The name of virtual server farm bound to this virtual
server.

The amount of time this SLB entity will maintain TCP
connection context after a connection has terminated.

The amount of time this SLB entity will maintain
connection information in the absence of packet
activity for a connection. When the service is
configured as 'gtp', this is the amount of time
the SLB entity will forward SGSN retries for a
SLB session to the same GGSN

The amount of time that a connection's real server is
remembered after a connection has terminated.

The group ID associated with the 'sticky group' that
this virtual server is placed in.  A value of zero
indicates that no 'sticky group' is associated with
this virtual server.

The number of unanswered SYNs that are allowed to be
outstanding to this virtual server. After this number
is reached, SYNs are dropped depending on the value
of slbVirtualSynguardPeriod.

The interval of time that this virtual server can
have outstanding unanswered SYNs.  This is used
with slbVirtualSynguardCount to limit outstanding
SYNs.

This object is used by a management station to create
or delete the row entry in slbVirtualServerTable
following the RowStatus textual convention.

The number of currently assigned connections being
handled by this virtual server.

The number of assigned connections handled by this
virtual server since this server was configured.

The number of assigned connections handled by this
virtual server since this server was configured.  This
is the 64-bit version of slbVirtualTotalConnections.

The IP subnet mask which is applied to the address
of this virtual server for traffic filtering.

The index to internal structures for the connection.

The IP address of the virtual server.

The port of the virtual server.

The connection protocol.

The client IP address.

The client port.

The current state of this connection.

The IP Address of the real server to which this
client is being load-balanced.

The port number at the real server to which this
client is being load-balanced.

The number of netflow cache entries for this
connection.  An entry for a terminated connection
cannot be deleted while this number is non-zero.

The number of SYNs seen from client.

The IP address of the client.  It is used along with
the slbVirtualClientMask to represent subsets of client
traffic being handled by the particular virtual server.

The general purpose mask of the client.  It is used
along with the slbVirtualClientIpAddress to represent
subsets of client traffic being handled by the
particular virtual server.

The truth value that determines if the client range
should be included or excluded on the virtual server.

The row status is used by a management station to
create or delete the row entry in slbVirtualClientTable
following the RowStatus textual convention.

The group ID for this sticky object.

The client IP address with which this object is
associated.

The real server IP address selected for all clients
bound to this sticky object.

The number of connections currently associated with
this sticky object.

The number of FTP control connections currently
associated with this sticky object.

The row status is used by a management station to
create or delete the row entry in slbStickyObjectTable
following the RowStatus textual convention.

The pending password which will be used by DFP for MD5
authentication within password timeout ticks.  When
read, this object returns a zero-length string and
writing a zero-length string unsets the password.  If
this object is modified twice within the time interval
given by slbDfpPasswordTimeout, the password and
timeout of the first modification are forgotten and
replaced by the password and timeout of the second.

The time interval between the setting of the pending
password and the removal of the current password.

The object is used by a management station to create
or delete the row entry in slbDfpPasswordTable
following the RowStatus textual convention.

The DFP agent's IP address.

The DFP agent's port.

The state of the DFP agent.

Time interval during which the agent must send at
least one message to the manager.

The number of times the manager will attempt to
re-establish a connection with the agent.  If this
value is exceeded, the agent is placed in 'failed'
state, and the manager does not attempt to re-establish
a connection with the agent.

Time interval before SLB retries connecting to a DFP
agent.

The row status is used by a management station to
create or delete the row entry in slbDfpAgentTable
following the RowStatus textual convention.

The DFP agent's IP address

The protocol of the real server.

The port number of the real server.

The Bind ID identifies one or more server farms to
which the real server belongs. The real servers are
identified by finding rows in slbServerFarmTable for
which slbServerFarmBindId matches
slbDfpRealBindId. For each identified server farm,
extract the slbServerFarmName and use this value
together with slbDfpRealIpAddress and slbDfpRealPort
to identify the row in slbRealTable.

The weight of the real server reported from a
DFP agent.  The weight represents a relative capacity
to accept new connections.

The row status is used by a management station to
create or delete the row entry in slbDfpRealTable
following the RowStatus textual convention.

A table of SLB statistics for all local SLB entities.

This is a table of server farms, each of which is a
group of real servers to be used by SLB for load
balancing.  Columnar objects can be modified when the
row is 'active'.  Rows can be created and destroyed.
Entries are added to this table via
slbServerFarmRowStatus in accordance with the
RowStatus convention.

A table of real servers.  Columnar objects can be
modified when the row is 'active'.  Rows can be created
and destroyed.  Entries are added to this table via
slbRealRowStatus in accordance with the RowStatus
convention.

Table of virtual servers.  Columnar objects can be
modified when the row is 'active'.  Rows can be
created and destroyed.  Entries are added to this
table via slbVirtualRowStatus in accordance with the
RowStatus convention.

Table of connections being load-balanced by SLB.

Table of virtual clients for a particular virtual
server.  Columnar objects can be modified when the
row is 'active'.  Entries are added to this table via
slbVirtualClientRowStatus in accordance with the
RowStatus convention.

Table of sticky objects.  Sticky objects allow
related connections to be sent to the same real
server on a per client basis.  Sticky objects are
useful for FTP and SSL connections.  Columnar objects
can be modified when the row is 'active'.  Entries
are added to this table via slbStickyObjectRowStatus
in accordance with the RowStatus convention.

A table of password values which a local Server Load
Balancing Manager uses so that it can communicate with
remote DFP agents.  Entries are added to this table via
slbDfpPasswordRowStatus in accordance with the
RowStatus convention.  Columnar objects can be modified
when in row is 'active'. Rows can be created and
destroyed.

A table of remote DFP agents with which the local
DFP managers communicate.  Rows can be created and
destroyed. Columnar objects can be modified when the
row is 'active'.  Entries are added to this table via
slbDfpAgentRowStatus in accordance with the RowStatus
convention.

A table containing information about Real Servers
obtained through communications between local DFP
manager and remote DFP agents.  Rows can be created
and destroyed.  Columnar objects can be modified when
the row is 'active'.  Entries are added to this table
via slbDfpRowStatus in accordance with the RowStatus
convention.

The notification generated when a virtual
server changes to a new state.  The value of
slbVirtualServerState indicates the new state.

The notification generated when a real server
changes to a new state.  The value of
slbRealServerState indicates the new state.

The MIB for managing Server Load Balancing Manager(s),
such as the Cisco IOS SLB product.
This MIB includes instrumentation for the manager-side
implementation of the Dynamic Feedback Protocol (DFP).
A DFP uses the DFP protocol to communicate with
DFP agents in order to obtain information about
Servers.
Acronyms and terms:
GGSN   Gateway GPRS Support Node
GPRS   General Packet Radio Service
GTP    GPRS Tunneling Protocol
SGSN   Serving GPRS Support Node

SLB Statistic objects.

SLB DFP password objects.

The SLB serverfarm objects.

The SLB real server objects.

The SLB virtual server objects.

The SLB connection objects.

The SLB virtual client objects.

The SLB sticky objects.

The SLB DFP agent objects.

The SLB DFP real server objects.

The SLB Notification Truth Value objects.

A collection of objects providing SLB notifications.

A collection of additional SlbVirtualServer objects used to
further define an Slb virtual server.