Chapter 9 VLAN
GS2210 Series User’s Guide
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The follow ing t able descr ibes t he labels in t his scr een.
9.6 Subnet Based VLANs
Subnet based VLANs allow you t o gr oup t raffic int o logical VLANs based on t he sour ce I P subnet you
specify. When a fram e is r eceived on a por t , t he Swit ch checks if a t ag is added alr eady and t he I P
subnet it cam e fr om . The unt agged packet s fr om t he sam e I P subnet ar e t hen placed in t he sam e
subnet based VLAN. One advant age of using subnet based VLANs is t hat pr ior it y can be assigned t o
t raffic fr om t he sam e I P subnet .
For exam ple, an I SP ( I nt er net Ser vices Pr ov ider ) m ay divide differ ent t y pes of ser vices it pr ovides
t o cust om er s int o differ ent I P subnet s. Traffic for voice ser vices is designat ed for I P subnet
Table 37
Adv anced Applicat ion > VLAN > VLAN Configurat ion> VLAN Port Set up
LABEL
DESCRIPTION
GVRP
GVRP ( GARP VLAN Regist rat ion Pr ot ocol) is a r egist rat ion pr ot ocol t hat defines a way for
sw it ches t o r egist er necessar y VLAN m em ber s on por t s acr oss t he net w or k .
Select t his check box t o per m it VLAN gr oups beyond t he local Sw it ch.
Port
This field displays t he por t num ber.
*
Set t ings in t his r ow apply t o all por t s.
Use t his r ow only if you want t o m ake som e set t ings t he sam e for all por t s. Use t his r ow
fir st t o set t he com m on set t ings and t hen m ake adj ust m ent s on a por t - by- por t basis.
Note: Changes in this row are copied to all the ports as soon as you make them.
I ngr ess Check
I f t his check box is select ed, t he Sw it ch discar ds incom ing fram es on a port for VLANs t hat
do not include t his por t in it s m em ber set .
Clear t his check box t o disable ingr ess filt er ing.
PVI D
A PVI D ( Por t VLAN I D) is a t ag t hat adds t o incom ing unt agged fram es r eceived on a por t
so t hat t he fram es ar e for war ded t o t he VLAN gr oup t hat t he t ag defines.
Ent er a num ber bet w een 1and 4094 as t he por t VLAN I D.
GVRP
Select t his check box t o allow GVRP on t his por t .
Accept able Fram e
Type
Specify t he t ype of fram es allow ed on a por t . Choices are All, Ta g On ly and Un t a g On ly.
Select All fr om t he dr op- dow n list box t o accept all unt agged or t agged fram es on t his
por t . This is t he default set t ing.
Select Ta g On ly t o accept only t agged fram es on t his por t . All unt agged fram es w ill be
dr opped.
Select Un t a g On ly t o accept only unt agged fram es on t his por t . All t agged fram es w ill be
dr opped.
VLAN Tr unk ing
Enable V LAN Tr u n k in g on por t s connect ed t o ot her sw it ches or r out er s ( but not por t s
dir ect ly connect ed t o end users) t o allow fram es belonging t o unknow n VLAN gr oups t o
pass t hr ough t he Sw it ch.
I solat ion
Select t his t o allow s t his por t t o com m unicat e only w it h t he CPU m anagem ent por t and
t he por t s on w hich t he isolat ion feat ur e is not enabled.
Apply
Click Apply t o save your changes t o t he Sw it ch’s r un- t im e m em or y. The Sw it ch loses
t hese changes if it is t ur ned off or loses pow er, so use t he Sa v e link on t he t op nav igat ion
panel t o save your changes t o t he non- volat ile m em or y w hen you ar e done configur ing.
Cancel
Click Ca n ce l t o begin configur ing t his scr een afr esh.
