All MIBs › CROUTE-MIB › vlBridgeProtocol
vlBridgeProtocol
Module: CROUTE-MIB
OID (symbolic): CROUTE-MIB::vlBridgeProtocol
OID (numeric): 1.3.6.1.4.1.81.31.3.2.1.1
Node type: OBJECT-TYPE
Type: INTEGER
Access: read-only
Description: The protocol, supported by this VLAN. The meanings of the values are: other: none of the following. This VLAN includes any protocol except the following protocols. It is a bridging VLAN. L2 relies on a third-party router to exchange traffic between nodes on different VLANs of this type. dec : This is a bridging VLAN, L2 relies on a third-party router to exchange traffic between nodes on different DEC VALNs of this type. netBios: This is a Bridging VLAN, L2 relies on a third-party router to exchange traffic between nodes on different NetBIOS VLAN of this type. appleTalk: This is a Bridging VLAN, L2 relies on a third-party router to exchange traffic between nodes on different appleTalk VLAN of this type. value of other(1) always exist
What is vlBridgeProtocol?
This read-only enumerated integer reports which non-IP protocol a given VLAN is configured to bridge, such as DEC, NetBIOS, AppleTalk, SNA, or IPX, since these protocol types rely on a third-party router to exchange traffic between nodes on different VLANs of that type rather than being natively routed by this device. An admin checks this to understand which VLANs are pure L2 bridging domains for a given legacy protocol versus ones handling IP routing directly. For example, seeing appleTalk(4) on a VLAN tells the admin that AppleTalk traffic on that VLAN is being bridged, not routed, and any inter-VLAN AppleTalk traffic needs an external router.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.81.31.3.2.1.1 snmpwalk -v2c -c public <target> CROUTE-MIB::vlBridgeProtocol
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.81.31.3.2.1.1.1 snmpget -v2c -c public <target> CROUTE-MIB::vlBridgeProtocol.1
SNMPv3 example:
snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> vlBridgeProtocol.1
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OID Breakdown
Upper-level ancestors (7 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 |
| 1.3.6.1.4.1.81 | lannet | GEN-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.81.31 | croute | CROUTE-MIB |
| 1.3.6.1.4.1.81.31.3 | layer2 | CROUTE-MIB |
| 1.3.6.1.4.1.81.31.3.2 | vlBridgeTable | CROUTE-MIB |
| 1.3.6.1.4.1.81.31.3.2.1 | vlBridgeEntry | CROUTE-MIB |
| 1.3.6.1.4.1.81.31.3.2.1.1 | vlBridgeProtocol | CROUTE-MIB |