CTRON-SSR-L3-MIB

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Organization: Cabletron Systems, Inc.

Last Updated: 1999-09-22

Category: Routing Protocols, Vendor: Cabletron/Enterasys

Description: Manages Cabletron SSR Layer 3 routing including IP configuration, routing tables, and multicast settings.

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What Is CTRON-SSR-L3-MIB?

CTRON-SSR-L3-MIB is a Cabletron SmartSwitch Router (SSR) MIB originally intended to provide Layer 3 processing-subsystem visibility, including IP configuration, routing tables, and multicast settings. Per its own module description, this MIB is no longer supported on SSR platforms - its Layer 3 functionality has been superseded by standard MIBs (RFC 1757 RMON) together with Cabletron's ctron-ssr-policy MIB for filter-table programming. The only objects present are conformance/compliance group definitions (l3Conformance, l3Compliances, l3Groups) with no live runtime data objects, so it provides no actual hardware or software monitoring capability on current devices. Its stated dependency is on RFC 1757 RMON and the ctron-ssr-policy MIB, which are what current SSR platforms use instead for Layer 3-related visibility and filtering. Historically deployed on Cabletron SmartSwitch Router platforms, but current deployments should rely on RMON and ctron-ssr-policy for equivalent functionality. Engineers can download the CTRON-SSR-L3-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in CTRON-SSR-L3-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

Cabletron SmartSwitch Router (SSR) - legacy/deprecated

Monitoring Examples

This module contains only conformance/compliance group definitions (l3Conformance, l3Compliances, l3Groups) and, per its own module description, is no longer supported on SSR platforms, so there is no live routing/IP data to describe a realistic monitoring scenario for. Administrators should instead use RMON (RFC 1757) and the ctron-ssr-policy MIB for equivalent Layer 3 visibility on current hardware.

Imported Objects

From CTRON-SSR-SMI-MIB

ssrMibs

OBJECT-IDENTITY

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter32
IpAddress
MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

TEXTUAL-CONVENTION

OIDs

OID symbolic	OID numeric	Type	Access	Description
l3Group	1.3.6.1.4.1.52.2501.1.3
l3FlowTable	1.3.6.1.4.1.52.2501.1.3.1		not-accessible	A list of L3 flow entries.
l3FlowEntry	1.3.6.1.4.1.52.2501.1.3.1.1		not-accessible	An entry containing the L3 flow information
INT l3FlowIndex	1.3.6.1.4.1.52.2501.1.3.1.1.1	INTEGER	read-only	A unique number for each flow. The encoding is as explained. bit 0-15 = Table Index (0-64K) bit 16-18 = Table Number (0-3) bit 19-31 = Channel Number (0-32)
INT l3FlowFilterId	1.3.6.1.4.1.52.2501.1.3.1.1.2	INTEGER	read-only	A filter byte to narrow the data returned by the agent. The number of possible flows can be extremely high. An SNMP walk could take a significatn resources. Using a walk with a filter will narrow the values returned to those flows matching the fields used in the index. Currently only the first byte of this Integer is used. This byte specifies one or more fields to compare flows in the system against the index in the get-next request. Big endian least significant Byte is encoding is as follows: bit 0 : unused bit 1 : Port Of Entry Filter mask bit 2 : Src IP Address Filter mask bit 3 : Dst IP Address Filter mask bit 4 : Type Of Service Filter mask bit 5 : Protocol Filter mask bit 6 : Src port Filter mask bit 7 : Dst port Filter mask A complete walk of the mib will use the filter value of 0 as will a get Request
INT l3FlowPortOfEntry	1.3.6.1.4.1.52.2501.1.3.1.1.3	INTEGER	read-only	The physical port in the chassis/shelf from which this flow enters the switch.
IP l3FlowSrcIpAddress	1.3.6.1.4.1.52.2501.1.3.1.1.4	IpAddress	read-only	The source IP address for this flow.
IP l3FlowDstIpAddress	1.3.6.1.4.1.52.2501.1.3.1.1.5	IpAddress	read-only	The destination IP address for this flow.
INT l3FlowTOS	1.3.6.1.4.1.52.2501.1.3.1.1.6	INTEGER	read-only	The Type Of Service for this flow.
SSR l3FlowProtocol	1.3.6.1.4.1.52.2501.1.3.1.1.7	SSRProtocols	read-only	The IP protocol for this flow. Official assignments are defined in ftp://ftp.isi.edu/in-notes/iana/assignments/protocol-numbers
INT l3FlowSrcPort	1.3.6.1.4.1.52.2501.1.3.1.1.8	INTEGER	read-only	The source UDP/TCP port for this flow. Official port numbers are defined in: ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers
INT l3FlowDstPort	1.3.6.1.4.1.52.2501.1.3.1.1.9	INTEGER	read-only	The destination UDP/TCP port for this flow. Official port numbers are defined in ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers
C32 l3FlowPkts	1.3.6.1.4.1.52.2501.1.3.1.1.10	Counter32	read-only	The packets in this flow.
C32 l3FlowOctets	1.3.6.1.4.1.52.2501.1.3.1.1.11	Counter32	read-only	The number of octets in this flow.
l3FlowPriorityTable	1.3.6.1.4.1.52.2501.1.3.2		not-accessible	A list of priorities for L3 flow entries.
l3FlowPriorityEntry	1.3.6.1.4.1.52.2501.1.3.2.1		not-accessible	An entry containing the L3 flow priority information
INT l3FlowPriorityIndex	1.3.6.1.4.1.52.2501.1.3.2.1.1	INTEGER	read-write	The unique entry number for this flow.
OCT l3FlowPriorityName	1.3.6.1.4.1.52.2501.1.3.2.1.2	OCTET STRING	read-write	A unique name for this flow. Padded with blanks to 20 bytes.
IP l3FlowPrioritySrcIpAddress	1.3.6.1.4.1.52.2501.1.3.2.1.3	IpAddress	read-write	The source IP address for this flow.
INT l3FlowPrioritySrcPort	1.3.6.1.4.1.52.2501.1.3.2.1.4	INTEGER	read-write	The source UDP/TCP port for this flow. The Official port numbers are defined in: ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers
IP l3FlowPriorityDstIpAddress	1.3.6.1.4.1.52.2501.1.3.2.1.5	IpAddress	read-write	The destination IP address for this flow.
INT l3FlowPriorityDstPort	1.3.6.1.4.1.52.2501.1.3.2.1.6	INTEGER	read-write	The destination UDP/TCP port for this flow. Official port numbers are defined in ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers
INT l3FlowPriorityTOS	1.3.6.1.4.1.52.2501.1.3.2.1.7	INTEGER	read-write	The Type Of Service for this flow.
SSR l3FlowPriorityProtocol	1.3.6.1.4.1.52.2501.1.3.2.1.8	SSRProtocols	read-write	The IP protocol for this flow. Official assignments are defined in ftp://ftp.isi.edu/in-notes/iana/assignments/protocol-numbers
OCT l3FlowPriorityInterface	1.3.6.1.4.1.52.2501.1.3.2.1.9	OCTET STRING	read-write	The set of interfaces which are associated with this entry. Each octet within the value of this object specifies a set of eight interfaces, with the first octet specifying interfaces 1 through 8, the second octet specifying interfaces 9 through 16, etc. Within each octet, the most significant bit represents the lowest numbered interface, and the least significant bit represents the highest numbered interface. Thus, each interface of the switch is represented by a single bit within the value of this object. If that bit has a value of '1' then that interface is included in the set of interfaces; the interface is not included if its bit has a value of '0'.
INT l3FlowPriority	1.3.6.1.4.1.52.2501.1.3.2.1.10	INTEGER	read-write	The priority for this flow.
l3MIB	1.3.6.1.4.1.52.2501.1.600			This module defines a schema to access SSR Layer 3 processing subsystem. This mib is no longer supported on ssr platforms. features of this mib now exist in standard mibs. RMON I RFC 1757 provides Layer 3 information and ctron-ssr-policy mib to program filter tables.
l3Conformance	1.3.6.1.4.1.52.2501.1.600.2
l3Compliances	1.3.6.1.4.1.52.2501.1.600.2.1
l3Groups	1.3.6.1.4.1.52.2501.1.600.2.2
l3ConfGroupV10	1.3.6.1.4.1.52.2501.1.600.2.2.1			A set of managed objects that make up version 1.0 of the SSR Layer 3 MIB
l3ComplianceV10	1.3.6.1.4.1.52.2501.1.600.2.2.1.1			The compliance statement for the SSR-L3-MIB.

RFC description

Cabletron vendor-private MIB for SSR (Secure Switched Router) Layer 3 routing; manages IP routing, RIP, OSPF, and switching matrix on Ctron devices.

Start monitoring Cabletron/Enterasys Smart Switch Router (SSR) — legacy/deprecated (Layer 3) 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 CTRON-SSR-L3-MIB

What Is CTRON-SSR-L3-MIB?

Supported Devices

Monitoring Examples

This MIB depends on

Related MIBs

RFC description