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тАО01-09-2007 06:38 PM
тАО01-09-2007 06:38 PM
MSTP - Been studying all night :) Did I get it?
I can send vlans 2,4,6 through oen way and tell 1,3,5 they can use this link IF there main link is down...
this is all providing that the switch has two paths...
does anyone have a sample config i can look at?
What is the root stuff though?
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тАО01-09-2007 07:28 PM
тАО01-09-2007 07:28 PM
Re: MSTP - Been studying all night :) Did I get it?
Say you have of the 5300 acting as Core switches, and we have 4 Vlans, so we will enable Core1 to be MSTP Root for Vlan1-2 and Backup for Vlan3-4.
Core2 will be MSTP Root for Vlan3-4 and Backup for Vlan1-2.
Core1:
spanning-tree
spanning-tree protocol-version MSTP
spanning-tree config-name "SPAN"
spanning-tree config-revision 8
spanning-tree instance 1 vlan 1 2
spanning-tree instance 1 priority 0
spanning-tree instance 2 vlan 3 4
spanning-tree instance 2 priority 1
Core2:
spanning-tree
spanning-tree protocol-version MSTP
spanning-tree B6 priority 0
spanning-tree config-name "SPAN"
spanning-tree config-revision 8
spanning-tree instance 1 vlan 1 2
spanning-tree instance 1 priority 1
spanning-tree instance 2 vlan 3 4
spanning-tree instance 2 priority 0
This is a Sample Configuration of how to do MSTP on the Core side.
Good Luck !!!
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тАО01-09-2007 07:29 PM
тАО01-09-2007 07:29 PM
Re: MSTP - Been studying all night :) Did I get it?
spanning-tree B6 priority 0
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тАО01-10-2007 09:32 AM
тАО01-10-2007 09:32 AM
Re: MSTP - Been studying all night :) Did I get it?
But i'm trying to physically plan my layout...
I have:
5 - stacks of 4 2650 - workstations
2 2900 - servrs
2 - 5400's
I need to run vrrp between the 5400's for failover...
So i need to run trunks from each of the stacks to both the 5400's
So each stack of 4 2650's will have 2 cables (one trunk) to 5400_01 and 2 cables (one trunk) to 5400_02
Would I use MSTP to send all the traffic to 5400_01 or would i use MSTP to split the load between the 2 5400's...
I am under the impressionthat only 1 5400 can have routing enabled... correct?
I would do the same thing with the 2900's they will have a 10G link between them and 10G links to the 5400's... If only one of the 5400's is receiving all the traffic (MSTP routes all traffic to one) then I'd make the 2900's do the same, and route all traffic to the active 5400.
Is this correct?
I'm looking at it this way becuse if i split the traffic between the two 5400's, wouldnt i have to enable routinng on both of them? Or would VRRP enable this to be possible?
I need it completely redundant...
I'm trying to find visio so i can draw this up...
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тАО01-10-2007 09:48 AM
тАО01-10-2007 09:48 AM
Re: MSTP - Been studying all night :) Did I get it?
One of the core switches will be the VRRP Owner of say VLAN 10,20,30 - it will also be the MSTP Root for those same VLANs.
The other core switch will be the VRRP Owner for the other VLANS, 40,50,60. Once again it will be the MSTP Root for those VLANs.
The edge switches will simply be MSTP Enabled and will be running the same MSTP configuration.
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тАО01-10-2007 11:42 AM
тАО01-10-2007 11:42 AM
Re: MSTP - Been studying all night :) Did I get it?
With VRRP enabled then can both have IP Routing...
If VRRP were not enabled, IP Routing on both would be bad...
Yes we do have the premium license...
SO..
With VRRP and the Prem License, do i add both set of vlan IP's to both or does VRRP share the info?
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тАО01-10-2007 11:50 AM
тАО01-10-2007 11:50 AM
Re: MSTP - Been studying all night :) Did I get it?
So with VRRP enabled, if Core1 is the VRRP "owner" of VLANs 10,20,30 you would give them the gateway address that your clients will be using, e.g. 10.10.10.1, 10.20.20.1.
On Core2, it will be a VRRP "backup" and on those same VLANs, 10,20,30, you will give it an IP address such as 10.10.10.2 and 10.20.20.2.
That way, if Core1 fails, Core2 will take ownership of the .1 address and your clients will go about their business without interruption.
In the MSTP example, you would make Core2 the VRRP "owner" for the other VLANs 40,50,60 and give them the .1 address. Core1 would be the VRRP backup and have the .2 address.
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тАО01-10-2007 01:58 PM
тАО01-10-2007 01:58 PM
Re: MSTP - Been studying all night :) Did I get it?
I have one of the 5400's up and both 2900's
If someone can tell me what to enable where that would be great.
I learn better from seeing the correct way, before i do it 4 times the wrong way...
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тАО01-10-2007 02:02 PM
тАО01-10-2007 02:02 PM
Re: MSTP - Been studying all night :) Did I get it?
Below are the three configs.
I need to still do VRRP and MSTP
I'm reading through both of these chaptes in the suggested reading from a few days ago.
If you can point me in the right direction it would be awsome!
WA_5400_01
______________
; J8697A Configuration Editor; Created on release #K.11.33
hostname "WA_5400_PRI"
snmp-server contact "Systems"
max-vlans 25
module 1 type J8702A
module 2 type J8702A
trunk A1,B1 Trk1 Trunk
trunk A2,B2 Trk2 Trunk
ip routing
snmp-server community "public" Unrestricted
vlan 1
name "DEFAULT_VLAN"
untagged A4-A24,B3-B24
ip address 10.3.100.1 255.255.255.0
tagged Trk1-Trk2
no untagged A3
exit
vlan 10
name "vlan10-d"
ip helper-address 10.3.0.70
ip address 10.3.10.1 255.255.255.0
tagged Trk1-Trk2
exit
vlan 20
name "vlan20-d"
ip helper-address 10.3.0.70
ip address 10.3.20.1 255.255.255.0
tagged Trk1-Trk2
exit
vlan 30
name "vlan30-d"
ip helper-address 10.3.0.70
ip address 10.3.30.1 255.255.255.0
tagged Trk1-Trk2
exit
vlan 40
name "vlan40-d"
ip helper-address 10.3.0.70
ip address 10.3.40.1 255.255.255.0
tagged Trk1-Trk2
exit
vlan 50
name "vlan50-d"
ip helper-address 10.3.0.70
ip address 10.3.50.1 255.255.255.0
tagged Trk1-Trk2
exit
vlan 90
name "vlan90-d"
untagged A3
ip helper-address 10.3.0.70
ip address 10.3.0.200 255.255.255.0
tagged Trk1-Trk2
exit
spanning-tree
spanning-tree Trk1 priority 4
spanning-tree Trk2 priority 4
password manager
_______________________________________
WA_2900_01
hostname "WA_2900_01-0"
snmp-server contact "Systems"
max-vlans 20
module 3 type J90XXA
trunk 1-2 Trk1 Trunk
trunk 3-4 Trk2 Trunk
ip default-gateway 10.3.100.1
snmp-server community "public" Unrestricted
vlan 1
name "DEFAULT_VLAN"
ip address 10.3.100.91 255.255.255.0
tagged A1-A4,Trk1-Trk2
no untagged 5-48
exit
vlan 10
name "vlan10-d"
ip helper-address 10.3.0.70
tagged A1-A4,Trk1-Trk2
no ip address
exit
vlan 20
name "vlan20-d"
ip helper-address 10.3.0.70
tagged A1-A4,Trk1-Trk2
no ip address
exit
vlan 30
name "vlan30-d"
ip helper-address 10.3.0.70
tagged A1-A4,Trk1-Trk2
no ip address
exit
vlan 40
name "vlan40-d"
ip helper-address 10.3.0.70
tagged A1-A4,Trk1-Trk2
no ip address
exit
vlan 50
name "vlan50-d"
ip helper-address 10.3.0.70
tagged A1-A4,Trk1-Trk2
no ip address
exit
vlan 90
name "vlan90-d"
untagged 5-48
ip helper-address 10.3.0.70
tagged A1-A4,Trk1-Trk2
no ip address
exit
stack commander "WA_2900_01"
spanning-tree
spanning-tree Trk1 priority 4
spanning-tree Trk2 priority 4
password manager
___________________________________
; J9050A Configuration Editor; Created on release #T.11.12
hostname "WA_2900_02"
snmp-server contact "Systems"
module 3 type J90XXA
trunk 1-2 Trk1 Trunk
trunk 3-4 Trk2 Trunk
ip default-gateway 10.3.100.1
snmp-server community "public" Unrestricted
vlan 1
name "DEFAULT_VLAN"
ip address 10.3.100.92 255.255.255.0
tagged A1-A4,Trk1-Trk2
no untagged 5-48
exit
vlan 10
name "vlan10-d"
ip helper-address 10.3.0.70
tagged A1-A4,Trk1-Trk2
no ip address
exit
vlan 20
name "vlan20-d"
ip helper-address 10.3.0.70
tagged A1-A4,Trk1-Trk2
no ip address
exit
vlan 30
name "vlan30-d"
ip helper-address 10.3.0.70
tagged A1-A4,Trk1-Trk2
no ip address
exit
vlan 40
name "vlan40-d"
ip helper-address 10.3.0.70
tagged A1-A4,Trk1-Trk2
no ip address
exit
vlan 50
name "vlan50-d"
ip helper-address 10.3.0.70
tagged A1-A4,Trk1-Trk2
no ip address
exit
vlan 90
name "vlan90-d"
untagged 5-48
ip helper-address 10.3.0.70
tagged A1-A4,Trk1-Trk2
no ip address
exit
stack commander "WA_2900_02"
spanning-tree
spanning-tree Trk1 priority 4
spanning-tree Trk2 priority 4
password manager
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тАО01-10-2007 04:57 PM
тАО01-10-2007 04:57 PM
Re: MSTP - Been studying all night :) Did I get it?
I dont understand teh difference between the regions, instances, ist and cist.
How do i tell one of the switch stacks on teh bottom of my diagram to use one trunk over teh other, unless it is down...?