From: esther (esther1616@hanmail.net)
Date: Fri Oct 11 2002 - 15:06:04 GMT-3
Yes, that's the reason.
Once the ports are connected, it appearred as below.
Cat3550#sh spanning-tree vlan 100 ... this vlan still not active
Spanning tree instance for vlan 100 does not exist.
Cat3550#sh spanning-tree
VLAN0010
Spanning tree enabled protocol ieee .... STP are enabled automatically
Root ID Priority 32778
Address 0009.43a4.c600
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32778 (priority 32768 sys-id-ext 10)
Address 0009.43a4.c600
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 300
Interface Port ID Designated Port ID
Name Prio.Nbr Cost Sts Cost Bridge ID Prio.Nbr
---------------- -------- --------- --- --------- --------------------
--------
Fa0/1 128.1 100 FWD 0 32778 0009.43a4.c600 128.1
Fa0/12 128.12 100 FWD 0 32778 0009.43a4.c600 128.12
VLAN0020
Spanning tree enabled protocol ieee
Root ID Priority 32788
Address 0009.43a4.c600
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32788 (priority 32768 sys-id-ext 20)
Address 0009.43a4.c600
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 300
Interface Port ID Designated Port ID
Name Prio.Nbr Cost Sts Cost Bridge ID Prio.Nbr
---------------- -------- --------- --- --------- --------------------
----Thanks,
Esther.
---------[ 9^@: 8^@O 3;?k ]---------- > Title : Re: STP on 3550 > Date : Fri, 11 Oct 2002 11:44:55 -0500 > From : "Mark A. Dye" > To : "esther" , > > Do you have any ports up? > > If no ports are up, then there will be no instances of spanning tree. > > Plug something up and let me know, > > At 01:23 AM 10/12/02 +0900, esther wrote: > >I've configuring the STP in the C3550. > >The config guide mentioned the STP is enabled for vlan1 by default. > >But I can't find any information using below command. > > > >Cat3550#sh spanning-tree (summary) > > > >No spanning tree instances exist. > > > >Cat3550# > >Cat3550# > >Cat3550#sh spanning-tree vlan 1 > > > >Spanning tree instance for vlan 1 does not exist. > > > >Cat3550# > > > >So I made one more vlan 100 and enabled the STP on it. > >But it brought the same result, nothing information. > > > >Cat3550#sh spanning-tree 100 > > > >Spanning tree instance for bridge 100 does not exist. > > > >Cat3550# > > > >What's wrong here? > > > >Thanks again, > > > >Esther. > > > >[TABLE NOT SHOWN] > > > >[TABLE NOT SHOWN][TABLE NOT SHOWN][IMAGE] > > > Mark A. Dye, CCNP, CCDP, CCNA, CCDA, CCAI, MCSE(W2K), MCSE(NT4), MCT, > MCP+I, MCP, NET+, CBET > Technology Manager > Bevill Manufacturing Technology Center > 401 Trade School Road > Gadsden, AL 35903 > > Phone: 256.549.8165 > Fax: 256.547.5790 > email: mdye@bevillcntr.org > http://www.bevillcntr.org/staff.html#mark > > It is a funny thing about life: if you refuse to accept anything but the > best you very often get it. -William Somerset Maugham > [TABLE NOT SHOWN]
[TABLE NOT SHOWN][TABLE NOT SHOWN][IMAGE]
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