Cisco 10000 Router MIB Support Lists

If a MIB can be downloaded from the Cisco Systems CCO FTP server, the MIB appears below as a link. Otherwise, you must download the MIB from somewhere else (for example, the ATM Forum or IETF website). Each release includes a link to the "MIB Specifications" chapter of the "Cisco 10000 Series Router MIB Specifications Guide," which describes any constraints (limitations) on objects in each MIB.



Cisco IOS 12.3(7)XI Support -- Broadband

The following MIBs are supported in Cisco IOS Release 12.3(7)XI.
For information on MIB constraints, see the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/aggr/10000/10kmibs/bbguides/bbgdv3/mib3.htm
ATM-MIB.my
ATM-FORUM-ADDR-REG-MIB.my
ATM-FORUM-MIB.my
BGP4-MIB.my
CISCO-AAA-SERVER-MIB.my
CISCO-AAA-SESSION-MIB.my
CISCO-AAL5-MIB.my
CISCO-ATM-EXT-MIB.my
CISCO-BULK-FILE-MIB.my
CISCO-CDP-MIB.my
CISCO-CLASS-BASED-QOS-MIB.my
CISCO-CONFIG-COPY-MIB.my
CISCO-CONFIG-MAN-MIB.my
CISCO-ENTITY-ALARM-MIB.my
CISCO-ENTITY-ASSET-MIB.my
CISCO-ENTITY-EXT-MIB.my
CISCO-ENTITY-FRU-CONTROL-MIB.my
CISCO-ENTITY-PFE-MIB.my
CISCO-ENTITY-VENDORTYPE-OID-MIB.my
CISCO-ENVMON-MIB.my
CISCO-FLASH-MIB.my
CISCO-FRAME-RELAY-MIB.my
CISCO-FTP-CLIENT-MIB.my
CISCO-IMAGE-MIB.my
CISCO-IPMROUTE-MIB.my
CISCO-IP-STAT-MIB.my
CISCO-IP-STAT-MIB.my
CISCO-MEMORY-POOL-MIB.my
CISCO-OAM-MIB.my
CISCO-PIM-MIB.my
CISCO-PING-MIB.my
CISCO-PPPOE-MIB.my
CISCO-PROCESS-MIB.my
CISCO-PRODUCTS-MIB.my
CISCO-RTTMON-MIB.my
CISCO-SSG-MIB.my
CISCO-SYSLOG-MIB.my
CISCO-VPDN-MGMT-EXT-MIB.my
CISCO-VPDN-MGMT-MIB.my
DS1-MIB.my
DS3-MIB.my
ENTITY-MIB.my
ETHERLIKE-MIB.my
EVENT-MIB.my
EXPRESSION-MIB.my
IF-MIB.my
IGMP-MIB.my
IPMROUTE-MIB.my
MPLS-LDP-MIB.my
MPLS-LSR-MIB.my
MPLS-TE-MIB.my
MPLS-VPN-MIB.my
MSDP-MIB.my
NOTIFICATION-LOG-MIB.my
PIM-MIB.my
RFC1213-MIB.my
RFC1253-MIB.my
RFC1315-MIB.my
SNMP-FRAMEWORK-MIB.my
SNMP-MPD-MIB.my
SNMP-NOTIFICATION-MIB.my
SNMP-PROXY-MIB.my
SNMP-TARGET-MIB.my
SNMP-USM-MIB.my
SNMPv2-MIB.my
SNMP-VACM-MIB.my
SONET-MIB.my
TCP-MIB.my
UDP-MIB.my

Although included in the software image, the following MIBs are not supported in Cisco IOS 12.3(7)XI:

CISCO-ACCESS-ENVMON-MIB
CISCO-BGP4-MIB
CISCO-C12000-IF-HC-COUNTERS-MIB
CISCO-HSRP-EXT-MIB
CISCO-HSRP-MIB
CISCO-IETF-ATM2-PVCTRAP-MIB
CISCO-IETF-ATM2-PVCTRAP-MIB-EXTN
CISCO-QUEUE-MIB
CISCO-SNAPSHOT-MIB
CISCO-TCP-MIB
INT-SERV-GUARANTEED-MIB
INT-SERV-MIB
IP-FORWARD-MIB
OLD-CISCO-CHASSIS-MIB (deprecated MIB)
OLD-CISCO-CPU-MIB (deprecated MIB)
OLD-CISCO-INTERFACES-MIB (deprecated MIB)
OLD-CISCO-IP-MIB (deprecated MIB)
OLD-CISCO-MEMORY-MIB (deprecated MIB)
OLD-CISCO-SYSTEM-MIB (deprecated MIB)
OLD-CISCO-TCP-MIB (deprecated MIB)
OLD-CISCO-TS-MIB (deprecated MIB)
RMON-MIB
RS-232-MIB
RSVP-MIB



Cisco IOS 12.3(7)XI Support -- Leased Line

The following MIBs are supported in Cisco IOS Release 12.3(7)XI.
For information on MIB constraints, see the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/aggr/10000/10kmibs/llguides/llgdv4/mib3.htm
ATM-MIB.my
BGP4-MIB.my
CISCO-AAL5-MIB.my
CISCO-ATM-EXT-MIB.my
CISCO-BGP-POLICY-ACCOUNTING-MIB.my
CISCO-BULK-FILE-MIB.my
CISCO-CDP-MIB.my
CISCO-CLASS-BASED-QOS-MIB.my
CISCO-CONFIG-COPY-MIB.my
CISCO-CONFIG-MAN-MIB.my
CISCO-ENTITY-ALARM-MIB.my
CISCO-ENTITY-ASSET-MIB.my
CISCO-ENTITY-EXT-MIB.my
CISCO-ENTITY-FRU-CONTROL-MIB.my
CISCO-ENTITY-PFE-MIB.my
CISCO-ENTITY-VENDORTYPE-OID-MIB.my
CISCO-ENVMON-MIB.my
CISCO-FLASH-MIB.my
CISCO-FRAME-RELAY-MIB.my
CISCO-FTP-CLIENT-MIB.my
CISCO-IMAGE-MIB.my
CISCO-IP-LOCAL-POOL-MIB.my
CISCO-IPMROUTE-MIB.my
CISCO-MEMORY-POOL-MIB.my
CISCO-OAM-MIB.my
CISCO-PIM-MIB.my
CISCO-PING-MIB.my
CISCO-PROCESS-MIB.my
CISCO-PRODUCTS-MIB.my
CISCO-RF-MIB.my
CISCO-RTTMON-MIB.my
CISCO-SYSLOG-MIB.my
CISCO-TAP-MIB.my
DS1-MIB.my
DS3-MIB.my
ENTITY-MIB.my
ETHERLIKE-MIB.my
EVENT-MIB.my
EXPRESSION-MIB.my
IF-MIB.my
IGMP-MIB.my
IPMROUTE-MIB.my
MPLS-LDP-MIB.my
MPLS-LSR-MIB.my
MPLS-TE-MIB.my
MPLS-VPN-MIB.my
MSDP-MIB.my
PIM-MIB.my
RFC1213-MIB.my
RFC1253-MIB.my
RFC1315-MIB.my
SNMP-FRAMEWORK-MIB.my
SNMP-MPD-MIB.my
SNMP-NOTIFICATION-MIB.my
SNMP-PROXY-MIB.my
SNMP-TARGET-MIB.my
SNMP-USM-MIB.my
SNMPv2-MIB.my
SNMP-VACM-MIB.my
SONET-MIB.my
TCP-MIB.my
UDP-MIB.my

Although included in the software image, the following MIBs are not supported in Cisco IOS 12.3(7)XI:

CISCO-ACCESS-ENVMON-MIB
CISCO-BGP4-MIB
CISCO-C12000-IF-HC-COUNTERS-MIB
CISCO-HSRP-EXT-MIB
CISCO-HSRP-MIB
CISCO-IETF-ATM2-PVCTRAP-MIB
CISCO-IP-STAT-MIB
CISCO-QUEUE-MIB
CISCO-SNAPSHOT-MIB
CISCO-TCP-MIB
INT-SERV-GUARANTEED-MIB
INT-SERV-MIB
IP-FORWARD-MIB
OLD-CISCO-CHASSIS-MIB (deprecated MIB)
OLD-CISCO-CPU-MIB (deprecated MIB)
OLD-CISCO-INTERFACES-MIB (deprecated MIB)
OLD-CISCO-IP-MIB (deprecated MIB)
OLD-CISCO-MEMORY-MIB (deprecated MIB)
OLD-CISCO-SYSTEM-MIB (deprecated MIB)
OLD-CISCO-TCP-MIB (deprecated MIB)
OLD-CISCO-TS-MIB (deprecated MIB)
RMON-MIB
RS-232-MIB
RSVP-MIB

Cisco IOS 12.2(15)BX and 12.2(16)BX Support -- Broadband

The following MIBs are supported in Cisco IOS Release 12.2(15)BX and 12.2(16)BX.
For information on MIB constraints, see the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/aggr/10000/10kmibs/bbguides/bbgdv2/mib3.htm
ATM-MIB.my
ATM-FORUM-ADDR-REG-MIB.my
ATM-FORUM-MIB.my
BGP4-MIB.my
CISCO-AAA-SERVER-MIB.my
CISCO-AAA-SESSION-MIB.my
CISCO-AAL5-MIB.my
CISCO-ATM-EXT-MIB.my
CISCO-BULK-FILE-MIB.my
CISCO-CDP-MIB.my
CISCO-CLASS-BASED-QOS-MIB.my
CISCO-CONFIG-COPY-MIB.my
CISCO-CONFIG-MAN-MIB.my
CISCO-ENTITY-ALARM-MIB.my
CISCO-ENTITY-ASSET-MIB.my
CISCO-ENTITY-EXT-MIB.my
CISCO-ENTITY-FRU-CONTROL-MIB.my
CISCO-ENTITY-PFE-MIB.my
CISCO-ENTITY-VENDORTYPE-OID-MIB.my
CISCO-ENVMON-MIB.my
CISCO-FLASH-MIB.my
CISCO-FRAME-RELAY-MIB.my
CISCO-FTP-CLIENT-MIB.my
CISCO-IMAGE-MIB.my
CISCO-IPMROUTE-MIB.my
CISCO-IP-STAT-MIB.my
CISCO-MEMORY-POOL-MIB.my
CISCO-OAM-MIB.my
CISCO-PIM-MIB.my
CISCO-PING-MIB.my
CISCO-PPPOE-MIB.my
CISCO-PROCESS-MIB.my
CISCO-PRODUCTS-MIB.my
CISCO-RTTMON-MIB.my
CISCO-SSG-MIB.my
CISCO-SYSLOG-MIB.my
CISCO-VPDN-MGMT-EXT-MIB.my
CISCO-VPDN-MGMT-MIB.my
DS1-MIB.my
DS3-MIB.my
ENTITY-MIB.my
ETHERLIKE-MIB.my
EVENT-MIB.my
EXPRESSION-MIB.my
IF-MIB.my
IGMP-MIB.my
IPMROUTE-MIB.my
MPLS-LSR-MIB.my
MPLS-TE-MIB.my
MPLS-VPN-MIB.my
MSDP-MIB.my
NOTIFICATION-LOG-MIB.my
PIM-MIB.my
RFC1213-MIB.my
RFC1253-MIB.my
RFC1315-MIB.my
SNMP-FRAMEWORK-MIB.my
SNMP-MPD-MIB.my
SNMP-NOTIFICATION-MIB.my
SNMP-PROXY-MIB.my
SNMP-TARGET-MIB.my
SNMP-USM-MIB.my
SNMPv2-MIB.my
SNMP-VACM-MIB.my
SONET-MIB.my
TCP-MIB.my
UDP-MIB.my

Although included in the software image, the following MIBs are not supported in Cisco IOS 12.2(15)BX and 12.2(16)BX:

CISCO-ACCESS-ENVMON-MIB
CISCO-BGP4-MIB
CISCO-C12000-IF-HC-COUNTERS-MIB
CISCO-HSRP-EXT-MIB
CISCO-HSRP-MIB
CISCO-IETF-ATM2-PVCTRAP-MIB
CISCO-IETF-ATM2-PVCTRAP-MIB-EXTN
CISCO-QUEUE-MIB
CISCO-SNAPSHOT-MIB
CISCO-TCP-MIB
INT-SERV-GUARANTEED-MIB
INT-SERV-MIB
IP-FORWARD-MIB
MPLS-LDP-MIB
OLD-CISCO-CHASSIS-MIB (deprecated MIB)
OLD-CISCO-CPU-MIB (deprecated MIB)
OLD-CISCO-INTERFACES-MIB (deprecated MIB)
OLD-CISCO-IP-MIB (deprecated MIB)
OLD-CISCO-MEMORY-MIB (deprecated MIB)
OLD-CISCO-SYSTEM-MIB (deprecated MIB)
OLD-CISCO-TCP-MIB (deprecated MIB)
OLD-CISCO-TS-MIB (deprecated MIB)
RMON-MIB
RS-232-MIB
RSVP-MIB



Cisco IOS 12.0(23)SX and 12.0(24)S Support -- Leased Line

The following MIBs are supported in Cisco IOS Release 12.0(23)SX and 12.0(24)S.
For information on MIB constraints, see the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/aggr/10000/10kmibs/llguides/llgdv3/mib3.htm
ATM-MIB.my
BGP4-MIB.my
CISCO-AAL5-MIB.my
CISCO-ATM-EXT-MIB.my
CISCO-BGP-POLICY-ACCOUNTING-MIB.my
CISCO-BULK-FILE-MIB.my
CISCO-CDP-MIB.my
CISCO-CLASS-BASED-QOS-MIB.my
CISCO-CONFIG-COPY-MIB.my
CISCO-CONFIG-MAN-MIB.my
CISCO-ENTITY-ALARM-MIB.my
CISCO-ENTITY-ASSET-MIB.my
CISCO-ENTITY-EXT-MIB.my
CISCO-ENTITY-FRU-CONTROL-MIB.my
CISCO-ENTITY-PFE-MIB.my
CISCO-ENTITY-VENDORTYPE-OID-MIB.my
CISCO-ENVMON-MIB.my
CISCO-FLASH-MIB.my
CISCO-FRAME-RELAY-MIB.my
CISCO-FTP-CLIENT-MIB.my
CISCO-IMAGE-MIB.my
CISCO-IPMROUTE-MIB.my
CISCO-MEMORY-POOL-MIB.my
CISCO-OAM-MIB.my
CISCO-PIM-MIB.my
CISCO-PING-MIB.my
CISCO-PROCESS-MIB.my
CISCO-PRODUCTS-MIB.my
CISCO-RF-MIB.my
CISCO-RTTMON-MIB.my
CISCO-SYSLOG-MIB.my
DS1-MIB.my
DS3-MIB.my
ENTITY-MIB.my
ETHERLIKE-MIB.my
EVENT-MIB.my
EXPRESSION-MIB.my
IF-MIB.my
IGMP-MIB.my
IPMROUTE-MIB.my
MPLS-LDP-MIB.my
MPLS-LSR-MIB.my
MPLS-TE-MIB.my
MPLS-VPN-MIB.my
MSDP-MIB.my
PIM-MIB.my
RFC1213-MIB.my
RFC1253-MIB.my
RFC1315-MIB.my
SNMP-FRAMEWORK-MIB.my
SNMP-MPD-MIB.my
SNMP-NOTIFICATION-MIB.my
SNMP-PROXY-MIB.my
SNMP-TARGET-MIB.my
SNMP-USM-MIB.my
SNMPv2-MIB.my
SNMP-VACM-MIB.my
SONET-MIB.my
TCP-MIB.my
UDP-MIB.my

Although included in the software image, the following MIBs are not supported in Cisco IOS 12.0(23)SX and 12.0(24)S:

CISCO-ACCESS-ENVMON-MIB
CISCO-BGP4-MIB
CISCO-C12000-IF-HC-COUNTERS-MIB
CISCO-HSRP-EXT-MIB
CISCO-HSRP-MIB
CISCO-IETF-ATM2-PVCTRAP-MIB
CISCO-IP-STAT-MIB
CISCO-QUEUE-MIB
CISCO-SNAPSHOT-MIB
CISCO-TCP-MIB
INT-SERV-GUARANTEED-MIB
INT-SERV-MIB
IP-FORWARD-MIB
OLD-CISCO-CHASSIS-MIB (deprecated MIB)
OLD-CISCO-CPU-MIB (deprecated MIB)
OLD-CISCO-INTERFACES-MIB (deprecated MIB)
OLD-CISCO-IP-MIB (deprecated MIB)
OLD-CISCO-MEMORY-MIB (deprecated MIB)
OLD-CISCO-SYSTEM-MIB (deprecated MIB)
OLD-CISCO-TCP-MIB (deprecated MIB)
OLD-CISCO-TS-MIB (deprecated MIB)
RMON-MIB
RS-232-MIB
RSVP-MIB

Cisco IOS 12.0(23)S Support -- Leased Line

The following MIBs are supported in Cisco IOS Release 12.0(23)S.
For information on MIB constraints, see the following URLs:
http://www.cisco.com/univercd/cc/td/doc/product/aggr/10000/10kmibs/llguides/llgdv2/mib3.htm
http://www.cisco.com/univercd/cc/td/doc/product/aggr/10000/10kfm/pfe_mib.htm
BGP4-MIB.my
CISCO-BGP-POLICY-ACCOUNTING-MIB.my
CISCO-BULK-FILE-MIB.my
CISCO-CDP-MIB.my
CISCO-CLASS-BASED-QOS-MIB.my
CISCO-CONFIG-COPY-MIB.my
CISCO-CONFIG-MAN-MIB.my
CISCO-ENTITY-ALARM-MIB.my
CISCO-ENTITY-ASSET-MIB.my
CISCO-ENTITY-FRU-CONTROL-MIB.my
CISCO-ENTITY-PFE-MIB.my
CISCO-ENTITY-VENDORTYPE-OID-MIB.my
CISCO-ENVMON-MIB.my (temp only)
CISCO-FLASH-MIB.my
CISCO-FRAME-RELAY-MIB.my
CISCO-FTP-CLIENT-MIB.my
CISCO-IMAGE-MIB.my
CISCO-IPMROUTE-MIB.my
CISCO-MEMORY-POOL-MIB.my
CISCO-PIM-MIB.my
CISCO-PING-MIB.my
CISCO-PROCESS-MIB.my
CISCO-PRODUCTS-MIB.my
CISCO-RF-MIB.my
CISCO-RTTMON-MIB.my
CISCO-SYSLOG-MIB.my
DS1-MIB.my
DS3-MIB.my
ENTITY-MIB.my
ETHERLIKE-MIB.my
EVENT-MIB.my
EXPRESSION-MIB.my
IF-MIB.my
IGMP-MIB.my
IPMROUTE-MIB.my
MPLS-LDP-MIB.my
MPLS-LSR-MIB.my
MPLS-TE-MIB.my
MPLS-VPN-MIB.my
PIM-MIB.my
RFC1213-MIB.my
RFC1253-MIB.my
RFC1315-MIB.my
SNMP-FRAMEWORK-MIB.my
SNMP-MPD-MIB.my
SNMP-NOTIFICATION-MIB.my
SNMP-PROXY-MIB.my
SNMP-TARGET-MIB.my
SNMP-USM-MIB.my
SNMPv2-MIB.my
SNMP-VACM-MIB.my
SONET-MIB.my
TCP-MIB.my
UDP-MIB.my

Although included in the software image, the following MIBs are not supported in Cisco IOS 12.0(23)S:

ATM-MIB
CISCO-AAL5-MIB
CISCO-ACCESS-ENVMON-MIB
CISCO-ATM-EXT-MIB
CISCO-BGP4-MIB
CISCO-C12000-IF-HC-COUNTERS-MIB
CISCO-ENTITY-EXT-MIB
CISCO-HSRP-EXT-MIB
CISCO-HSRP-MIB
CISCO-IETF-ATM2-PVCTRAP-MIB
CISCO-IP-STAT-MIB
CISCO-QUEUE-MIB
CISCO-SNAPSHOT-MIB
CISCO-TCP-MIB
INT-SERV-GUARANTEED-MIB
INT-SERV-MIB
IP-FORWARD-MIB
MSDP-MIB
OLD-CISCO-CHASSIS-MIB (deprecated MIB)
OLD-CISCO-CPU-MIB (deprecated MIB)
OLD-CISCO-INTERFACES-MIB (deprecated MIB)
OLD-CISCO-IP-MIB (deprecated MIB)
OLD-CISCO-MEMORY-MIB (deprecated MIB)
OLD-CISCO-SYSTEM-MIB (deprecated MIB)
OLD-CISCO-TCP-MIB (deprecated MIB)
OLD-CISCO-TS-MIB (deprecated MIB)
RMON-MIB
RS-232-MIB
RSVP-MIB

Cisco IOS 12.0(22)S Support -- Leased Line

The following MIBs are supported in Cisco IOS Release 12.0(22)S.
For information on MIB constraints, see the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/aggr/10000/10kmibs/llguides/llgdv2/mib3.htm
BGP4-MIB.my
CISCO-BGP-POLICY-ACCOUNTING-MIB.my
CISCO-BULK-FILE-MIB.my
CISCO-CDP-MIB.my
CISCO-CLASS-BASED-QOS-MIB.my
CISCO-CONFIG-COPY-MIB.my
CISCO-CONFIG-MAN-MIB.my
CISCO-ENTITY-ALARM-MIB.my
CISCO-ENTITY-ASSET-MIB.my
CISCO-ENTITY-FRU-CONTROL-MIB.my
CISCO-ENTITY-VENDORTYPE-OID-MIB.my
CISCO-ENVMON-MIB.my (temp only)
CISCO-FLASH-MIB.my
CISCO-FRAME-RELAY-MIB.my
CISCO-FTP-CLIENT-MIB.my
CISCO-IMAGE-MIB.my
CISCO-IPMROUTE-MIB.my
CISCO-MEMORY-POOL-MIB.my
CISCO-PIM-MIB.my
CISCO-PING-MIB.my
CISCO-PROCESS-MIB.my
CISCO-PRODUCTS-MIB.my
CISCO-RF-MIB.my
CISCO-RTTMON-MIB.my
CISCO-SYSLOG-MIB.my
DS1-MIB.my
DS3-MIB.my
ENTITY-MIB.my
ETHERLIKE-MIB.my
EVENT-MIB.my
EXPRESSION-MIB.my
IF-MIB.my
IGMP-MIB.my
IPMROUTE-MIB.my
MPLS-LDP-MIB.my
MPLS-LSR-MIB.my
MPLS-TE-MIB.my
MPLS-VPN-MIB.my
PIM-MIB.my
RFC1213-MIB.my
RFC1253-MIB.my
RFC1315-MIB.my
SNMP-FRAMEWORK-MIB.my
SNMP-MPD-MIB.my
SNMP-NOTIFICATION-MIB.my
SNMP-PROXY-MIB.my
SNMP-TARGET-MIB.my
SNMP-USM-MIB.my
SNMPv2-MIB.my
SNMP-VACM-MIB.my
SONET-MIB.my
TCP-MIB.my
UDP-MIB.my

Although included in the software image, the following MIBs are not supported in Cisco IOS 12.0(22)S:

ATM-MIB
CISCO-AAL5-MIB
CISCO-ACCESS-ENVMON-MIB
CISCO-ATM-EXT-MIB
CISCO-BGP4-MIB
CISCO-C12000-IF-HC-COUNTERS-MIB
CISCO-ENTITY-EXT-MIB
CISCO-HSRP-EXT-MIB
CISCO-HSRP-MIB
CISCO-IETF-ATM2-PVCTRAP-MIB
CISCO-IP-STAT-MIB
CISCO-QUEUE-MIB
CISCO-SNAPSHOT-MIB
CISCO-TCP-MIB
INT-SERV-GUARANTEED-MIB
INT-SERV-MIB
IP-FORWARD-MIB
MSDP-MIB
OLD-CISCO-CHASSIS-MIB (deprecated MIB)
OLD-CISCO-CPU-MIB (deprecated MIB)
OLD-CISCO-INTERFACES-MIB (deprecated MIB)
OLD-CISCO-IP-MIB (deprecated MIB)
OLD-CISCO-MEMORY-MIB (deprecated MIB)
OLD-CISCO-SYSTEM-MIB (deprecated MIB)
OLD-CISCO-TCP-MIB (deprecated MIB)
OLD-CISCO-TS-MIB (deprecated MIB)
RMON-MIB
RS-232-MIB
RSVP-MIB

Cisco IOS 12.0(21)SX Support -- Leased Line

The following MIBs are supported in Cisco IOS Release 12.0(21)SX.
For information on MIB constraints, see the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/aggr/10000/10kmibs/llguides/llgdv1/mib3.htm
BGP4-MIB.my
CISCO-BULK-FILE-MIB.my
CISCO-CDP-MIB.my
CISCO-CLASS-BASED-QOS-MIB.my
CISCO-CONFIG-COPY-MIB.my
CISCO-CONFIG-MAN-MIB.my
CISCO-ENTITY-ALARM-MIB.my
CISCO-ENTITY-ASSET-MIB.my
CISCO-ENTITY-FRU-CONTROL-MIB.my
CISCO-ENTITY-VENDORTYPE-OID-MIB.my
CISCO-ENVMON-MIB.my (temp only)
CISCO-FLASH-MIB.my
CISCO-FRAME-RELAY-MIB.my
CISCO-FTP-CLIENT-MIB.my
CISCO-IMAGE-MIB.my
CISCO-IPMROUTE-MIB.my
CISCO-MEMORY-POOL-MIB.my
CISCO-PIM-MIB.my
CISCO-PING-MIB.my
CISCO-PROCESS-MIB.my
CISCO-PRODUCTS-MIB.my
CISCO-RTTMON-MIB.my
CISCO-SYSLOG-MIB.my
DS1-MIB.my
DS3-MIB.my
ENTITY-MIB.my
ETHERLIKE-MIB.my
EVENT-MIB.my
EXPRESSION-MIB.my
IF-MIB.my
IGMP-MIB.my
IPMROUTE-MIB.my
MPLS-LDP-MIB.my
MPLS-LSR-MIB.my
MPLS-TE-MIB.my
MPLS-VPN-MIB.my
PIM-MIB.my
RFC1213-MIB.my
RFC1253-MIB.my
RFC1315-MIB.my
SNMP-FRAMEWORK-MIB.my
SNMP-MPD-MIB.my
SNMP-NOTIFICATION-MIB.my
SNMP-PROXY-MIB.my
SNMP-TARGET-MIB.my
SNMP-USM-MIB.my
SNMPv2-MIB.my
SNMP-VACM-MIB.my
SONET-MIB.my
TCP-MIB.my
UDP-MIB.my

Although included in the software image, the following MIBs are not supported in Cisco IOS 12.0(21)SX:

ATM-MIB
ATM-FORUM-ADDR-REG-MIB
ATM-FORUM-MIB
CISCO-AAL5-MIB
CISCO-ACCESS-ENVMON-MIB
CISCO-ATM-EXT-MIB
CISCO-BGP4-MIB
CISCO-C12000-IF-HC-COUNTERS-MIB
CISCO-ENTITY-EXT-MIB
CISCO-HSRP-EXT-MIB
CISCO-HSRP-MIB
CISCO-IETF-ATM2-PVCTRAP-MIB
CISCO-IP-STAT-MIB
CISCO-QUEUE-MIB
CISCO-SNAPSHOT-MIB
CISCO-TCP-MIB
INT-SERV-GUARANTEED-MIB
INT-SERV-MIB
IP-FORWARD-MIB
MSDP-MIB
OLD-CISCO-CHASSIS-MIB (deprecated MIB)
OLD-CISCO-CPU-MIB (deprecated MIB)
OLD-CISCO-INTERFACES-MIB (deprecated MIB)
OLD-CISCO-IP-MIB (deprecated MIB)
OLD-CISCO-MEMORY-MIB (deprecated MIB)
OLD-CISCO-SYSTEM-MIB (deprecated MIB)
OLD-CISCO-TCP-MIB (deprecated MIB)
OLD-CISCO-TS-MIB (deprecated MIB)
RMON-MIB
RS-232-MIB
RSVP-MIB