From: Stefan Berger encap-protocol are: arp, ipv4, ipv6
+ Protocol ID: stp
+
+ Note: Rules of this type should go either into the root or
+ stp chain.
+
| Attribute | +Datatype | +Semantics | +
|---|---|---|
| srcmacaddr | +MAC_ADDR | +MAC address of sender | +
| srcmacmask | +MAC_MASK | +Mask applied to MAC address of sender | +
| type | +UINT8 | +Bridge Protcol Data Unit (BPDU) type | +
| flags | +UINT8 | +BPDU flag | +
| root-priority | +UINT16 | +Root priority (range start) | +
| root-priority-hi | +UINT16 | +Root priority range end | +
| root-address | +MAC_ADDRESS | +Root MAC address | +
| root-address-mask | +MAC_MASK | +Root MAC address mask | +
| root-cost | +UINT32 | +Root path cost (range start) | +
| root-cost-hi | +UINT32 | +Root path cost range end | +
| sender-priority | +UINT16 | +Sender priority (range start) | +
| sender-priority-hi | +UINT16 | +Sender priority range end | +
| sender-address | +MAC_ADDRESS | +BPDU sender MAC address | +
| sender-address-mask | +MAC_MASK | +BPDU sender MAC address mask | +
| port | +UINT16 | +Port identifier (range start) | +
| port_hi | +UINT16 | +Port identifier range end | +
| msg-age | +UINT16 | +Message age timer (range start) | +
| msg-age-hi | +UINT16 | +Message age timer range end | +
| max-age | +UINT16 | +Maximum age timer (range start) | +
| max-age-hi | +UINT16 | +Maximum age timer range end | +
| hello-time | +UINT16 | +Hello time timer (range start) | +
| hello-time-hi | +UINT16 | +Hello time timer range end | +
| forward-delay | +UINT16 | +Forward delay (range start) | +
| forward-delay-hi | +UINT16 | +Forward delay range end | +
| comment | +STRING | +text with max. 256 characters | +
Protocol ID: arp or rarp