All MIBs › PRVT-OSPF-MIB › prvtOspfNbrOptions
prvtOspfNbrOptions
Module: PRVT-OSPF-MIB
OID (symbolic): PRVT-OSPF-MIB::prvtOspfNbrOptions
OID (numeric): 1.3.6.1.4.1.738.1.6.4.2.1.18.1.4
Node type: OBJECT-TYPE
Type: Integer32
Access: read-only
Description: A Bit Mask corresponding to the neighbor's op- tions field.
Bit 0, if set, indicates that the system will operate on Type of Service metrics other than TOS 0. If zero, the neighbor will ignore all metrics except the TOS 0 metric.
Bit 1, if set, indicates that the associated area accepts and operates on external informa- tion; if zero, it is a stub area.
Bit 2, if set, indicates that the system is ca- pable of routing IP Multicast datagrams; i.e., that it implements the Multicast Extensions to OSPF.
Bit 3, if set, indicates that the associated area is an NSSA. These areas are capable of carrying type 7 external advertisements, which are translated into type 5 external advertise- ments at NSSA borders.
What is prvtOspfNbrOptions?
This read-only bitmask reports the OSPF options this neighbor advertised: bit 0 for non-zero TOS metric support, bit 1 for accepting external routing information (clear means it's in a stub area), bit 2 for multicast (MOSPF) capability, and bit 3 for NSSA membership. It's useful for confirming a neighbor's area type and feature support match what's expected.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.738.1.6.4.2.1.18.1.4 snmpwalk -v2c -c public <target> PRVT-OSPF-MIB::prvtOspfNbrOptions
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.738.1.6.4.2.1.18.1.4.1 snmpget -v2c -c public <target> PRVT-OSPF-MIB::prvtOspfNbrOptions.1
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OID Breakdown
Upper-level ancestors (12 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.738 | privateVendorOID | PRIV-VENDORDEF-MIB |
| 1.3.6.1.4.1.738.1 | prvt_products | PRVT-SWITCH-MIB |
| 1.3.6.1.4.1.738.1.6 | ipSwitch | PRVT-SWITCH-MIB |
| 1.3.6.1.4.1.738.1.6.4 | routingProtocols | PRVT-OSPF-EXTENSION-MIB |
| 1.3.6.1.4.1.738.1.6.4.2 | prvtOSPFExtensionMib | PRVT-OSPF-EXTENSION-MIB |
| 1.3.6.1.4.1.738.1.6.4.2.1 | ospfExtension | PRVT-OSPF-EXTENSION-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.738.1.6.4.2.1.18 | prvtOspfNbrTable | PRVT-OSPF-MIB |
| 1.3.6.1.4.1.738.1.6.4.2.1.18.1 | prvtOspfNbrEntry | PRVT-OSPF-MIB |
| 1.3.6.1.4.1.738.1.6.4.2.1.18.1.4 | prvtOspfNbrOptions | PRVT-OSPF-MIB |