ZyXEL Communications VMG1312-B Series, Руководство пользователя

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Chapter 10 Quality of Service (QoS)
VMG1312-B Series User’s Guide
176
Service This field is available only w hen you select I P in t he Et h e r Type field.
This field sim plifies classifier configurat ion by allow ing you t o select a predefined
applicat ion. When you select a predefined applicat ion, you do not configur e t he r est of t he
filt er fields.
I P Prot ocol This field is available only w hen you select I P in t he Et h e r Type field.
Select t his opt ion and select t he prot ocol ( service t ype) from TCP , U D P , I CM P or I GM P . I f
you select Use r de fin e d , ent er t he prot ocol ( service t ype) num ber.
DHCP This field is available only w hen you select I P in t he Et h e r Type field.
Select t his opt ion and select a DHCP opt ion.
I f you select V e n dor Cla ss I D ( D H CP Opt ion 6 0 ) , ent er t he Vendor Class I dent ifier
( Opt ion 60) of t he m at ched t raffic, such as t he t ype of t he hardware or firm ware.
I f you select Use r Cla ss I D ( D H CP Opt ion 7 7 ) , ent er a st ring t hat ident ifies t he user ’s
cat egory or applicat ion t ype in t he m at ched DHCP packet s.
Packet
Lengt h This field is available only w hen you select I P in t he Et h e r Type field.
Select t his opt ion and ent er t he m inim um and m axim um packet lengt h ( fr om 46 t o 1500) in
t he fields provided.
DSCP This field is available only w hen you select I P in t he Et h e r Type field.
Select t his opt ion and specify a DSCP ( DiffServ Code Point ) num ber bet w een 0 and 63 in t he
field provided.
802.1P This field is available only w hen you select 8 0 2 .1 Q in t he Et h e r Type field.
Select t his opt ion and select a pr ior it y level ( bet w een 0 and 7) from t he dr op- dow n list box.
" 0" is t he lowest priorit y level and " 7" is t he highest .
VLAN I D This field is available only w hen you select 8 0 2 .1 Q in t he Et h e r Type field.
Select t his opt ion and specify a VLAN I D num ber.
TCP ACK This field is available only w hen you select I P in t he Et h e r Type field.
I f you select t his opt ion, t he m at ched TCP packet s m ust cont ain t he ACK ( Acknow ledge)
flag.
Exclude Select t his opt ion t o exclude t he packet s t hat m at ch t he specified crit eria from t his classifier.
DSCP Mark This field is available only w hen you select I P in t he Et h e r Type field.
I f you select M a r k , ent er a DSCP value wit h which t he Device replaces t he DSCP field in t he
packet s.
I f you select Un cha n ge , t he Device keep t he DSCP field in t he packet s.
802.1P Mar k Select a pr ior it y level w it h w hich t he Device r eplaces t he I EEE 802.1p pr ior it y field in t he
packet s.
I f you select Un cha n ge , t he Device keep t he 802.1p priorit y field in t he packet s.
VLAN I D I f you select Re m a r k , ent er a VLAN I D num ber wit h which t he Device replaces t he VLAN I D
of t he fram es.
I f you select Re m ove , t he Device delet es t he VLAN I D of t he fram es before forwarding
t hem out .
I f you select Add , t he Device t reat all m at ched t raffic unt agged and add a second VLAN I D.
I f you select Un cha n ge , t he Device keep t he VLAN I D in t he packet s.
Forward t o
I nt erface Select a WAN int erface t hrough w hich t raffic of t his class w ill be forwarded out . I f you select
Un ch a n ge , t he Device forward t raffic of t his class according t o t he default rout ing t able.
Table 45 Class Set up: Add/ Edit ( cont inued)
LABEL DESCRIPTION