Chapter 13 Spanning Tree Protocol
GS2210 Series User’s Guide
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One Com m on and I nt er nal Spanning Tr ee ( CI ST) t hat r epr esent s t he ent ir e net w or k’s
connect ivit y.
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Gr ouping of m ult iple br idges ( or sw it ching devices) int o r egions t hat appear as one single br idge
on t he net w or k.
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A VLAN can be m apped t o a specific Mult iple Spanning Tr ee I nst ance ( MSTI ) . MSTI allow s
m ult iple VLANs t o use t he sam e spanning t r ee.
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Load- balancing is possible as t raffic fr om differ ent VLANs can use dist inct pat hs in a r egion.
13.2 Spanning Tree Protocol Status Screen
The Spanning Tr ee Pr ot ocol st at us scr een changes depending on w hat st andar d you choose t o
im plem ent on your net w or k. Click Adv a n ce d Applica t ion > Spa n n in g Tr e e Pr ot ocol t o see t he
scr een as show n.
Figure 93
Advanced Applicat ion > Spanning Tr ee Pr ot ocol
This scr een differ s depending on w hich STP m ode ( RSTP, MRSTP or MSTP) you configur e on t he
Swit ch. This screen is descr ibed in det ail in t he sect ion t hat follow s t he configurat ion sect ion for
each STP m ode. Click Con figu r a t ion t o act ivat e one of t he STP st andar ds on t he Sw it ch.
13.3 Spanning Tree Configuration
Use t he Spa n n in g Tr e e Con f igu r a t ion scr een t o act ivat e one of t he STP m odes on t he Sw it ch.
Click Con figu r a t ion in t he Adv a n ce d Applica t ion > Spa n n in g Tr e e Pr ot ocol.
Figure 94
Advanced Applicat ion > Spanning Tr ee Pr ot ocol > Configurat ion
