Avaya Configuring Traffic Filters and Protocol Prioritization Uživatelský manuál stáhnout pdf (Strana 62)

Configuring Traffic Filters and Protocol Prioritization

3-4

User-Deﬁned Transparent Bridge Criteria

You can create bridge trafﬁc ﬁlters with user-deﬁned criteria by specifying an

offset and length to these reference ﬁelds:

Transparent Bridge Actions

In addition to the Accept, Drop, and Log actions that are common to all the

protocols, there are two Bridge-speciﬁc actions:

• Flood

Speciﬁes that any frame that matches the ﬁlter will be forwarded onto all

Bridge circuits except for the circuit from which it was received.

• Forward to Circuit List

Speciﬁes that any frame that matches the ﬁlter will be forwarded to certain

circuits that you specify.

802.2 LLC Length

(Ethernet/802.3 and PPP only)

MAC 96 16

SSAP DATA_LINK 0 8

DSAP DATA_LINK 8 8

Control DATA_LINK 16 8

802.2 LLC

with SNAP

Length MAC 96 16

Organization code (Protocol ID) DATA_LINK 24 24

Ethernet Type DATA_LINK 48 16

Novell Novell MAC 112 16

Reference Field Description

MAC Points to the ﬁrst byte of the Destination MAC address

DATA_LINK Points to the ﬁrst byte of the DATA_LINK reference ﬁeld

Table 3-2. Predeﬁned Criteria for Transparent Bridge Encapsulations

Encapsulation

Method Criterion Name

Reference

Field

Offset

(bits)

Length

(bits)

1 2 ... 57 58 59 60 61 62 63 64 65 66 67 ... 161 162

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Avaya Configuring Traffic Filters and Protocol Prioritization Uživatelský manuál Strana 62