All MIBs › PKTC-ES-IPTAP-MIB › pktcESTapStreamTosByteMask
pktcESTapStreamTosByteMask
Module: PKTC-ES-IPTAP-MIB
OID (symbolic): PKTC-ES-IPTAP-MIB::pktcESTapStreamTosByteMask
OID (numeric): 1.3.6.1.4.1.4491.2.2.9.1.2.1.1.2.1.8
Node type: OBJECT-TYPE
Type: Integer32
Access: read-create
Description: The value of the TOS byte in an IPv4 or IPv6 header is ANDed with pktcESTapStreamTosByteMask and compared with pktcESTapStreamTosByte. If the values are equal, the comparison is equal. If the mask is zero and the TosByte value is zero, the result is to always accept.
What is pktcESTapStreamTosByteMask?
This is the bitmask ANDed with a packet's TOS byte before comparing it against pktcESTapStreamTosByte to determine a match. Admins set it to control precision: a mask covering only the DSCP bits lets the filter ignore ECN bits, while a zero mask combined with a zero TosByte value matches all traffic regardless of TOS marking. For example, a mask of 0xFC isolates just the six DSCP bits of the TOS byte for comparison, ignoring the two ECN bits.
OID Breakdown
Upper-level ancestors (11 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 |
| 1.3.6.1.4.1.4491 | cableLabs | CLAB-DEF-MIB |
| 1.3.6.1.4.1.4491.2 | clabProject | CLAB-DEF-MIB |
| 1.3.6.1.4.1.4491.2.2 | clabProjPacketCable | CLAB-DEF-MIB |
| 1.3.6.1.4.1.4491.2.2.9 | pktcSupportMibs | CLAB-DEF-MIB |
| 1.3.6.1.4.1.4491.2.2.9.1 | pktcESSupportMibs | CLAB-DEF-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.4491.2.2.9.1.2 | pktcESIpTapMIB | PKTC-ES-IPTAP-MIB |
| 1.3.6.1.4.1.4491.2.2.9.1.2.1 | pktcESIpTapMIBObjects | PKTC-ES-IPTAP-MIB |
| 1.3.6.1.4.1.4491.2.2.9.1.2.1.1 | pktcESTapStreamEncodePacket | PKTC-ES-IPTAP-MIB |
| 1.3.6.1.4.1.4491.2.2.9.1.2.1.1.2 | pktcESTapStreamTable | PKTC-ES-IPTAP-MIB |
| 1.3.6.1.4.1.4491.2.2.9.1.2.1.1.2.1 | pktcESTapStreamEntry | PKTC-ES-IPTAP-MIB |
| 1.3.6.1.4.1.4491.2.2.9.1.2.1.1.2.1.8 | pktcESTapStreamTosByteMask | PKTC-ES-IPTAP-MIB |