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thnx jitender...its me shridh...m working for SG ltd..the
situation iz like ths -at a specific time in our company the
internet connectivity goes off...v hav two networks in our
company...but out of it only one link goes down for 5-10
sec...a fastethernet port becomes down for few sec and
automatically becomes Up... Is this occures becoz of Power??
If yes thn y the 2nd network is not affected??
plz tel me jitender how to resolve ths problem?
as u sd loop in switch is the primary cause of ths....i
wanna know how to resolve it...thnx for ur replys jitender
sinha.
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Answer / jitendera kumar sinha
hi shridh it is difficult to trbleshoot urs network problem
from there without seeing your network architecture but you
can do one thing switch off the entire network remove all
short of cable and after 20 sec firastly coneect all short
of connection and then reboot the all short of switches i
know it is not a appropriate method.but it will give me time
to understand your all problem if you give me all short of
network archtiture
wright now i m online on gmail u can chat with me my gmail
id is jitenderasinha.it@gmail.com
ok after doing that short of exercise plz make that comand
switch#show run or sh interface ?
and see which port is getting up and down
after identifying that port
go there and re configure that port
after reconfiguring donot forgot to make command no shut.
and the port which are not in used make it disable they may
be caused of that
hope this will give some relief thatnks
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Answer / jitendera sinha
Switch-15> (enable)set spantree root 1
VLAN 1 bridge priority set to 8192.
VLAN 1 bridge max aging time set to 20.
VLAN 1 bridge hello time set to 2.
VLAN 1 bridge forward delay set to 15.
Switch is now the root switch for active VLAN 1.
Switch-15> (enable)
Switch-15> (enable)set spantree root 200
VLAN 200 bridge priority set to 8192.
VLAN 200 bridge max aging time set to 20.
VLAN 200 bridge hello time set to 2.
VLAN 200 bridge forward delay set to 15.
Switch is now the root switch for active VLAN 200.
Switch-15> (enable)
Switch-15> (enable)set spantree root 201
VLAN 201 bridge priority set to 8192.
VLAN 201 bridge max aging time set to 20.
VLAN 201 bridge hello time set to 2.
VLAN 201 bridge forward delay set to 15.
Switch is now the root switch for active VLAN 201.
Switch-15> (enable)
Switch-15> (enable)set spantree root 202
VLAN 202 bridge priority set to 8192.
VLAN 202 bridge max aging time set to 20.
VLAN 202 bridge hello time set to 2.
VLAN 202 bridge forward delay set to 15.
Switch is now the root switch for active VLAN 202.
Switch-15>
Switch-15> (enable)set spantree root 203
VLAN 203 bridge priority set to 8192.
VLAN 203 bridge max aging time set to 20.
VLAN 203 bridge hello time set to 2.
VLAN 203 bridge forward delay set to 15.
Switch is now the root switch for active VLAN 203.
Switch-15>
Switch-15> (enable)set spantree root 204
VLAN 204 bridge priority set to 8192.
VLAN 204 bridge max aging time set to 20.
VLAN 204 bridge hello time set to 2.
VLAN 204 bridge forward delay set to 15.
Switch is now the root switch for active VLAN 204.
Switch-15> (enable)
The shorter version of the command has the same effect, as
this example shows:
Switch-15> (enable)set spantree root 1,200-204
VLANs 1,200-204 bridge priority set to 8189.
VLANs 1,200-204 bridge max aging time set to 20.
VLANs 1,200-204 bridge hello time set to 2.
VLANs 1,200-204 bridge forward delay set to 15.
Switch is now the root switch for active VLANs 1,200-204.
Switch-15> (enable)
hi i am using my own archteture for implementing stp
where 200 201 .....204 are vlan created by me
i just ralasedurs problem on my router sitimulater and these
are the comand for maknig stp on core switch
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