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Chapter 14 Monitor: Spanning Tree
GS1900 Series User’s Guide
81
Each field is descr ibed in t he follow ing t able.
14.2.3 MST
Use t his scr een t o view t he Sw it ch’s spanning t r ee MST inst ance. Click M on it or > Spa n n in g Tr e e
> M ST t o access t his scr een.
Figure 77
Monit or > Spanning Tr ee > MST
Table 43
Monit or > Spanning Tr ee > CI ST Por t
LABEL
DESCRIPTION
Port
This field display s t he por t num ber.
I ndent ifier
( Pr ior it y / Por t I d)
This field display s t he ident ifier ( in pr ior it y / port num ber ) .
Ex t ernal Pat h Cost
Operat ion
Pat h cost is t he cost of t ransm it t ing a fram e on t o a LAN t hr ough t hat port . I t is
r ecom m ended t o assign t his value accor ding t o t he speed of t he br idge. The slow er t he
m edia, t he higher t he cost .
I nt er nal Pat h Cost
Operat ion
Pat h cost is t he cost of t ransm it t ing a fram e on t o a LAN t hr ough t hat port . I t is
r ecom m ended t o assign t his value accor ding t o t he speed of t he br idge. The slow er t he
m edia, t he higher t he cost .
Designat ed Root
Br idge
Root br idge r efer s t o t he base of t he spanning t r ee.
Ex t ernal Root Cost
This field display s t he ex t er nal root cost .
Regional Root
Br idge
Root br idge r efer s t o t he base of t he spanning t r ee.
I nt er nal Root Cost
This field display s t he int er nal r oot cost .
Designat ed Br idge
For each LAN segm ent , a designat ed br idge is select ed. This br idge has t he low est cost
t o t he r oot am ong t he br idges connect ed t o t he LAN.
Edge Por t
Operat ion
An edge por t changes it s init ial STP por t st at e fr om blocking st at e t o for war ding st at e
im m ediat ely w it hout going t hr ough list ening and lear ning st at es right aft er t he por t is
configur ed as an edge por t or w hen it s link st at us changes.
P2P MAC
Operat ion
This field displays t he st at e of t he P2P MAC operat ion.
Port Role
This field display s t he st at e of t he por t role.
Port St at e
This field display s t he st at e of t he por t .
Summary of Contents for GS1900-10HP
Page 14: ...14 PART I User s Guide ...
Page 51: ...51 PART II Technical Reference ...
Page 237: ...Appendix B Legal Information GS1900 Series User s Guide 237 Environmental Product Declaration ...
Page 241: ...Appendix B Legal Information GS1900 Series User s Guide 241 Environmental Product Declaration ...