All MIBs › CASCADE-MIB › cktIWF1483to1490LastBadHeader
cktIWF1483to1490LastBadHeader
Module: CASCADE-MIB
OID (symbolic): CASCADE-MIB::cktIWF1483to1490LastBadHeader
OID (numeric): 1.3.6.1.4.1.277.1.6.1.1.223
Node type: OBJECT-TYPE
Type: DisplayString
Access: read-only
Description: Ascii string of the first 10 bytes of the header from the last frame discarded because the 1483 to 1490 header translation failed. The string displays the hexidecimal values for the data bytes
What is cktIWF1483to1490LastBadHeader?
This read-only DisplayString captures the first 10 bytes, in hexadecimal, of the header from the last frame discarded due to a failed RFC 1483-to-1490 header translation on this circuit, serving as the diagnostic companion to cktIWF1483to1490Error just as cktIWF1490to1483LastBadHeader pairs with its counter. The extra 2 bytes captured here (10 versus 8 for the other direction) reflects RFC 1483's LLC/SNAP header being slightly longer than the corresponding RFC 1490 fields. An engineer would decode cktIWF1483to1490LastBadHeader's hex bytes against the expected LLC/SNAP encapsulation format to pinpoint which field the ATM-side sender is populating incorrectly.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.277.1.6.1.1.223 snmpwalk -v2c -c public <target> CASCADE-MIB::cktIWF1483to1490LastBadHeader
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.277.1.6.1.1.223.1 snmpget -v2c -c public <target> CASCADE-MIB::cktIWF1483to1490LastBadHeader.1
SNMPv3 example:
snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> cktIWF1483to1490LastBadHeader.1
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OID Breakdown
Upper-level ancestors (6 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 |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.277 | cascade | CASCADE-MIB |
| 1.3.6.1.4.1.277.1 | cascfr | CASCADE-MIB |
| 1.3.6.1.4.1.277.1.6 | ckt | CASCADE-MIB |
| 1.3.6.1.4.1.277.1.6.1 | cktTable | CASCADE-MIB |
| 1.3.6.1.4.1.277.1.6.1.1 | cktEntry | CASCADE-MIB |
| 1.3.6.1.4.1.277.1.6.1.1.223 | cktIWF1483to1490LastBadHeader | CASCADE-MIB |