OFI$?0*&&%&5$9(""$
D<bC& *# =,4 -3 *80 .0I B *
(M03=*N5I*:5KHA303*0;3*18JR*"5=0*:52M,-I=.0,52Q*0;3*B9,0:;*:.2*4,BHA.N*0;3*#=,4-3*80.0IBC*J;3*83:0,52*
H=5L,43B*.*B0.0IB*5L3=L,39*5M*.AA*8J"*/=,4-3*,2B0.2:3BC*J;3*4,BHA.N34*0./A3*:520.,2B*.*=59*M5=*3.:;*8J"*
/=,4-3*,2B0.2:3Q*9;3=3*0;3*:5AIK2*4,BHA.NB*0;3*M5AA59,2-*,2M5=K.0,52)*
$ $
!"#$3&'"()*+"$ $
J5*4,BHA.N*0;3*8J"*#=,4-3B*B0.0IB*,2*0;3*93/*,203=M.:3)*
&C GA,:E*1 52,05=Q*8H.22,2-*J=33Q*8J"*#=,4-3BC*
$C RM*N5I*9.20*05*. I 05 <=3M=3B;*0;3*,2M5=K.0,52Q*32./A3n(I05<=3M=3B;oC*
DC GA,:E*n*@3M=3B;n*05*=3M=3B;*0;3*8J"*#=,4-3BC *
aC GA,:E*n*GR8Jn*05*-5*05*0;3*23F0*H.-3Q*n8J"*\30.,A34*#=,4-3*80.0IBoC*
*
Figure!3[8.1:! ! The!STP!Bridges!status!
!
!
,*(*-"'"($."/+(%0'%1&2$
MSTI:!
J;3*#=,4-3*R2B0.2:3C*J;,B*,B*.AB5*.*A,2E*05*0;3*8J"*\30.,A34*#=,4-3*80.0IBC* *
Bridge!ID:!
J;3*#=,4-3*R\*5M*0;,B*#=,4-3*,2B0.2:3C* *
Root!ID:!
J;3*#=,4-3*R\*5M*0;3*:I==320AN*3A3:034*=550*/=,4-3C* *
Root!Port:!
J;3*B9,0:;*H5=0*:I==320AN*.BB,-234*0;3*=550*H5=0*=5A3C* *
Root!Cost:!
@550*".0;*G5B0C*V5=*0;3*@550*#=,4-3*,0*,B*Z3=5C*V5=*.AA*50;3=*#=,4-3BQ*,0*,B*0;3*BIK*5M*0;3*"5=0*".0;*
G5B0B*52*0;3*A3.B0*:5B0*H.0;*05*0;3*@550*#=,4-3C* *
Topology!Flag:!
J;3*:I==320*B0.03*5M*0;3*J5H5A5-N*G;.2-3*VA.-*5M*0;,B*#=,4-3*,2B0.2:3C* *
Topology!Change!Last:!
J;3*0,K3*B,2:3*A.B0*J5H5A5-N*G;.2-3*5::I==34C* *
Buttons!
!
Auto[refresh:! G;3:E*0;,B*/5F*05*=3M=3B;*0;3*H.-3*.I05K.0,:.AANC*(I05K.0,:*=3M=3B;*5 ::I =B*3 L3 =N*D *
B3:524BC*
Refresh:!GA,:E*05*=3M=3B;*0;3*H.-3C