ARRIS-C3-SUBINT-MIB

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Organization: Arris International

Last Updated: 2003-08-20

Category: DOCSIS and Cable, Vendor: ARRIS

Description: ARRIS C3 CMTS subinterface configuration for logical cable interface segmentation.

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What Is ARRIS-C3-SUBINT-MIB?

ARRIS-C3-SUBINT-MIB manages sub-interface configuration on the ARRIS C3 CMTS (Cable Modem Termination System), a DOCSIS headend platform, allowing a physical cable interface to be logically segmented into multiple sub-interfaces (commonly used to separate DOCSIS 3.0 bonding groups, fiber nodes, or service groups on the same physical port). It exposes configuration-oriented data describing how the logical cable interface segmentation is laid out on the chassis, rather than raw RF or subscriber traffic counters. Its relevance to hardware/software status monitoring is mainly in confirming the CMTS's logical interface topology matches the intended service-group design — an unexpected or missing sub-interface mapping would indicate a provisioning error affecting which cable modems/service groups are served by which physical/logical resource. As a CMTS-specific module it implicitly depends on the broader DOCSIS/CMTS interface model (ifIndex-based interface conventions and typically DOCS-IF-MIB-style constructs) even though no explicit cross-reference is given in the available description. It is typically deployed on ARRIS (now CommScope) C3 CMTS chassis in cable operator headends/hubs where logical sub-interface segmentation of DOCSIS cable plant is required. Engineers can download the ARRIS-C3-SUBINT-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in ARRIS-C3-SUBINT-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

ARRIS C3 CMTS (Cable Modem Termination System)

Monitoring Examples

No concrete sample object names were available for this MIB, so specific table/object names cannot be quoted; however, based on its description an operator would review the sub-interface-to-physical-interface mapping on a C3 CMTS to confirm a given cable plant segment's logical sub-interface configuration matches the intended service-group/fiber-node design, investigating further if a sub-interface appears missing or misassigned after a provisioning change.

What Can Be Monitored

sub-interface configuration mapping
logical cable interface segmentation status

Imported Objects

From ARRIS-MIB

cmtsC3

OBJECT-IDENTITY

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Integer32
IpAddress
MODULE-IDENTITY
OBJECT-TYPE
Unsigned32
enterprises

From SNMPv2-TC

RowStatus
TEXTUAL-CONVENTION
TruthValue

OIDs

OID symbolic	OID numeric	Type	Access	Description
cmtsC3SubIntMIB	1.3.6.1.4.1.4115.1.4.3.11			This MIB manages the Sub-Interface software on the Arris CMTS C3
dcxSubIntObjects	1.3.6.1.4.1.4115.1.4.3.11.1
dcxSubIntControlGroup	1.3.6.1.4.1.4115.1.4.3.11.1.1
dcxSubIntTable	1.3.6.1.4.1.4115.1.4.3.11.1.1.1		not-accessible	Arris C3 Proprietary Sub-Interface table
dcxSubIntEntry	1.3.6.1.4.1.4115.1.4.3.11.1.1.1.1		not-accessible	A row in the dcxSubIntTable. An entry in this table exists for each Sub-Interface configured on the CMTS
U32 dcxSubIntSlotIndex	1.3.6.1.4.1.4115.1.4.3.11.1.1.1.1.1	Unsigned32	not-accessible	the slot index of the card in the Cmts
U32 dcxSubIntPortIndex	1.3.6.1.4.1.4115.1.4.3.11.1.1.1.1.2	Unsigned32	not-accessible	the port index of the port on a card
U32 dcxSubIntSubIntIndex	1.3.6.1.4.1.4115.1.4.3.11.1.1.1.1.3	Unsigned32	not-accessible	the sub-interface index of the sub-inteface on a port
U32 dcxSubIntBridgeGroupNum	1.3.6.1.4.1.4115.1.4.3.11.1.1.1.1.4	Unsigned32	read-write	bridge-group number which the sub-interface is configured on, 0 is reserved, 255 indicates not configured in a bridge-group
T/F dcxSubIntManagementAccess	1.3.6.1.4.1.4115.1.4.3.11.1.1.1.1.5	TruthValue	read-write	is management of Cmts allowed through sub-interface
IP dcxSubIntPrimaryIpAddress	1.3.6.1.4.1.4115.1.4.3.11.1.1.1.1.6	IpAddress	read-write	primary ip address of sub-interface
IP dcxSubIntPrimaryIpMask	1.3.6.1.4.1.4115.1.4.3.11.1.1.1.1.7	IpAddress	read-write	primary ip subnet mask of sub-interface
IP dcxSubIntPrimaryIpBCastAddress	1.3.6.1.4.1.4115.1.4.3.11.1.1.1.1.8	IpAddress	read-write	primary ip subnet broadcast address of sub-interface
T/F dcxSubIntRelayEnabled	1.3.6.1.4.1.4115.1.4.3.11.1.1.1.1.9	TruthValue	read-write	are DHCP packets relayed on this sub-interface
T/F dcxSubIntRelayInformationOption	1.3.6.1.4.1.4115.1.4.3.11.1.1.1.1.10	TruthValue	read-write	is the information options added to the DHCP packets relayed on this sub-interface. Has no effect if dcxSubIntRelayEnabled is False on the sub-interface.
INT dcxSubIntGiaddrPolicy	1.3.6.1.4.1.4115.1.4.3.11.1.1.1.1.11	INTEGER	read-write	which giaddr is used for DHCP packets relayed from CPEs on this sub-interface, off(0) is returned when dcxSubIntRelayEnabled is False, primary(1) indicates that the primary address on sub-interface is used, policy(2) indicates that the first secondary is used.
U32 dcxSubIntInboundAclIndex	1.3.6.1.4.1.4115.1.4.3.11.1.1.1.1.12	Unsigned32	read-write	which Access Control List is this sub-interface bound to for inbound packets, a value of zero indicates no ACL binding for inbound packets on the sub-interface
U32 dcxSubIntOutgoingAclIndex	1.3.6.1.4.1.4115.1.4.3.11.1.1.1.1.13	Unsigned32	read-write	which Access Control List is this sub-interface bound to for outgoing packets, a value of zero indicates no ACL binding for inbound packets on the sub-interface
U32 dcxSubIntUnboundTag	1.3.6.1.4.1.4115.1.4.3.11.1.1.1.1.14	Unsigned32	read-write	sub-interface encapsulate Vlan Tag value, 0 indicates no tag
T/F dcxSubIntUnboundTagIsNative	1.3.6.1.4.1.4115.1.4.3.11.1.1.1.1.15	TruthValue	read-write	sub-interface will not generate packets with tags when native is configured
T/F dcxSubIntOperational	1.3.6.1.4.1.4115.1.4.3.11.1.1.1.1.16	TruthValue	read-only	states if the subinterface is operational or not, factors are dcxSubIntStatus and the physical ports oper and admin status
ROW dcxSubIntStatus	1.3.6.1.4.1.4115.1.4.3.11.1.1.1.1.17	RowStatus	read-create	Controls and reflects the status of rows in this table. Rows in this table may be created by either the create-and-go or create-and-wait paradigms. There is no restriction on changing values in a row of this table while the row is active.
dcxSubIntIpTable	1.3.6.1.4.1.4115.1.4.3.11.1.1.2		not-accessible	Arris C3 Proprietary Sub-Interface table
dcxSubIntIpEntry	1.3.6.1.4.1.4115.1.4.3.11.1.1.2.1		not-accessible	A row in the dcxSubIntIpTable. An entry in this table exists for each IP address configured on the Sub-Interface identified by the dcxSubIntNumber
U32 dcxSubIntIpIndex	1.3.6.1.4.1.4115.1.4.3.11.1.1.2.1.1	Unsigned32	not-accessible	sub-interface secondary IP address index
IP dcxSubIntIpAddress	1.3.6.1.4.1.4115.1.4.3.11.1.1.2.1.2	IpAddress	read-write	a secondary ip address of sub-interface
IP dcxSubIntIpMask	1.3.6.1.4.1.4115.1.4.3.11.1.1.2.1.3	IpAddress	read-write	a secondary ip subnet mask of sub-interface
IP dcxSubIntIpBCastAddress	1.3.6.1.4.1.4115.1.4.3.11.1.1.2.1.4	IpAddress	read-write	a secondary ip subnet broadcast address of sub-interface
INT dcxSubIntIpAddressType	1.3.6.1.4.1.4115.1.4.3.11.1.1.2.1.5	INTEGER	read-write	primary(1): address is the primary address on the sub-interface, only one allowed secondary(2):address is one of the secondary addresses configured on the sub-interface
ROW dcxSubIntIpStatus	1.3.6.1.4.1.4115.1.4.3.11.1.1.2.1.6	RowStatus	read-create	Controls and reflects the status of rows in this table. Rows in this table may be created by the create-and-go paradigm. There is no restriction on changing values in a row of this table while the row is active.
dcxSubIntCableHelperTable	1.3.6.1.4.1.4115.1.4.3.11.1.1.3		not-accessible	Arris C3 Proprietary Sub-Interface Cable Helper Table
dcxSubIntCableHelperEntry	1.3.6.1.4.1.4115.1.4.3.11.1.1.3.1		not-accessible	A row in the dcxSubIntCableHelperTable. An entry in this table exists for each cable helper IP address configured on the Sub-Interface which is identified using the dcxSubIntNumber
INT dcxSubIntCableHelperType	1.3.6.1.4.1.4115.1.4.3.11.1.1.3.1.1	INTEGER	not-accessible	category of cable helper address. cm(1) these helper addresses are only used when relaying DHCP packets originating from a CM. cpe(2) these helper addresses are only used when relaying DHCP packets originating from a CPE. default(0) these helper addresses are used when: - relaying DHCP packets originating from a CM when no helper address of type cm(1) is configured or - relaying DHCP packets originating from a CPE when no helper address of type cpe(2) is configured
U32 dcxSubIntCableHelperIndex	1.3.6.1.4.1.4115.1.4.3.11.1.1.3.1.2	Unsigned32	not-accessible	sub-interface cable helper index
IP dcxSubIntCableHelperIpAddress	1.3.6.1.4.1.4115.1.4.3.11.1.1.3.1.3	IpAddress	read-write	cable helper ip address configured on sub-interface
ROW dcxSubIntCableHelperStatus	1.3.6.1.4.1.4115.1.4.3.11.1.1.3.1.4	RowStatus	read-create	Controls and reflects the status of rows in this table. Rows in this table may be created by the create-and-go paradigm. Entries in this table can only be created or deleted, no modification is possible.
dcxSubIntVlanTagTable	1.3.6.1.4.1.4115.1.4.3.11.1.1.4		not-accessible	Arris C3 Proprietary Sub-Interface Vlan Tag Table
dcxSubIntVlanTagEntry	1.3.6.1.4.1.4115.1.4.3.11.1.1.4.1		not-accessible	A row in the dcxSubIntVlanTagTable. An entry in this table exists for each Vlan tag that is configured on the sub-interface (which is identified using the dcxSubIntNumber)
U32 dcxSubIntVlanTag	1.3.6.1.4.1.4115.1.4.3.11.1.1.4.1.1	Unsigned32	not-accessible	sub-interface Vlan Tag value, 0 indicates no tag
T/F dcxSubIntVlanNative	1.3.6.1.4.1.4115.1.4.3.11.1.1.4.1.2	TruthValue	read-write	sub-interface will not generate packets with tags when native is configured
T/F dcxSubIntVlanIsBound	1.3.6.1.4.1.4115.1.4.3.11.1.1.4.1.3	TruthValue	read-write	is sub-interface tag bound to another sub-interface's VLAN tag
I32 dcxSubIntBoundVlanSlotIndex	1.3.6.1.4.1.4115.1.4.3.11.1.1.4.1.4	Integer32	read-write	slot index of VLAN tag that dcxSubIntVlanTag is bound to -1 when VLAN not bound to another VLAN tag on another sub-interface
I32 dcxSubIntBoundVlanPortIndex	1.3.6.1.4.1.4115.1.4.3.11.1.1.4.1.5	Integer32	read-write	port index of VLAN tag that dcxSubIntVlanTag is bound to -1 returned when VLAN not bound to another VLAN tag on another sub-interface
I32 dcxSubIntBoundVlanSubIntIndex	1.3.6.1.4.1.4115.1.4.3.11.1.1.4.1.6	Integer32	read-write	sub interface index of VLAN tag that dcxSubIntVlanTag is bound to -1 returned when VLAN not bound to another VLAN tag on another sub-interface
U32 dcxSubIntBoundVlanTag	1.3.6.1.4.1.4115.1.4.3.11.1.1.4.1.7	Unsigned32	read-write	sub-interface Vlan Tag value, 0 indicates no tag
T/F dcxSubIntBoundVlanNative	1.3.6.1.4.1.4115.1.4.3.11.1.1.4.1.8	TruthValue	read-write	bound sub-interface will not generate packets with tags when native is configured FLASE will be returned when VLAN not bound to another VLAN tag on another sub-interface
ROW dcxSubIntVlanTagStatus	1.3.6.1.4.1.4115.1.4.3.11.1.1.4.1.9	RowStatus	read-create	Controls and reflects the status of rows in this table. Rows in this table may be created by the create-and-go paradigm. There is no restriction on changing values in a row of this table while the row is active.

RFC description

Arris C3 platform vendor-private MIB for managing subinterfaces and virtual interfaces on Arris cable/broadband equipment.

Start monitoring ARRIS (Cadant) C3 CMTS (Cable Modem Termination System) (legacy) with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

Download ARRIS-C3-SUBINT-MIB

What Is ARRIS-C3-SUBINT-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description