From: Rajib Khan (rajib56666@yahoo.com)
Date: Thu Nov 24 2005 - 18:42:20 GMT-3
HI everyone,
As per recommendation,I have configured sw1 as root bridge for vlan 22,23 and sw2 for 32,33 but unfortunately still no joy.
Any more thought on this
Following is configuration
switch1
Switch1#sh spanning-tree vlan 22
VLAN0022
Spanning tree enabled protocol ieee
Root ID Priority 32790
Address 000d.6573.4880
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32790 (priority 32768 sys-id-ext 22)
Address 000d.6573.4880
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 300
Interface Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
Fa0/23 Desg FWD 19 128.23 P2p
Fa0/24 Desg FWD 19 128.24 P2p
Switch1#sh spanning-tree vlan 23
VLAN0023
Spanning tree enabled protocol ieee
Root ID Priority 32791
Address 000d.6573.4880
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32791 (priority 32768 sys-id-ext 23)
Address 000d.6573.4880
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 300
Interface Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
Fa0/23 Desg FWD 19 128.23 P2p
Fa0/24 Desg FWD 19 128.24 P2p
Switch1#sh spanning-tree int f0/24
Vlan Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
VLAN0022 Desg FWD 19 128.24 P2p
VLAN0023 Desg FWD 19 128.24 P2p
VLAN0032 Altn BLK 19 128.24 P2p
VLAN0033 Altn BLK 19 128.24 P2p
Switch1#sh spanning-tree int f0/23
Vlan Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
VLAN0022 Desg FWD 19 128.23 P2p
VLAN0023 Desg FWD 19 128.23 P2p
VLAN0032 Root FWD 19 128.23 P2p
VLAN0033 Root FWD 19 128.23 P2p
Switch1#
Switch2
Switch2#sh spanning-tree vlan 32
VLAN0032
Spanning tree enabled protocol ieee
Root ID Priority 24608
Address 000f.3420.ed80
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 24608 (priority 24576 sys-id-ext 32)
Address 000f.3420.ed80
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 300
Interface Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
Fa0/23 Desg FWD 19 128.23 P2p
Fa0/24 Desg FWD 19 128.24 P2p
Switch2#sh spanning-tree vlan 33
VLAN0033
Spanning tree enabled protocol ieee
Root ID Priority 24609
Address 000f.3420.ed80
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 24609 (priority 24576 sys-id-ext 33)
Address 000f.3420.ed80
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 300
Interface Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
Fa0/23 Desg FWD 19 128.23 P2p
Fa0/24 Desg FWD 19 128.24 P2p
Switch2#
Switch2#sh spanning-tree int f0/23
Vlan Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
VLAN0022 Root FWD 19 128.23 P2p
VLAN0023 Root FWD 19 128.23 P2p
VLAN0032 Desg FWD 19 128.23 P2p
VLAN0033 Desg FWD 19 128.23 P2p
Switch2#sh spanning-tree int f0/24
Vlan Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
VLAN0022 Altn BLK 19 128.24 P2p
VLAN0023 Altn BLK 19 128.24 P2p
VLAN0032 Desg FWD 19 128.24 P2p
VLAN0033 Desg FWD 19 128.24 P2p
Switch2#
Thanks
Raj
"Larry Letterman (lletterm)" <lletterm@cisco.com> wrote: Spanning tree root primary and secondary
Larry Letterman
INS-NW-WEST
Cisco Systems
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Kulcsar Andras Benjamin
Sent: Thursday, November 24, 2005 9:44 AM
To: Rajib Khan; ccielab@groupstudy.com
Subject: RE: switch configuration
Yes, configure bridge priority
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Rajib Khan
Sent: Thursday, November 24, 2005 4:33 PM
To: ccielab@groupstudy.com
Subject: switch configuration
Hi Group
Could any one please help me with the followings
SW1 ------------ SW2
There are 2 trunk port between sw1 and sw2, I want to send vlan 22,23 via one link and 32,33 other link but if one link fails then other link should forward all vlans. Is there any way can you achieve this with out using port priority and port cost
Thanks in advance
Raj
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