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04-17-2013 01:23 AM
04-17-2013 01:23 AM
How to configure RSTP and RRPP on the same switch ?
Hi,
I have another question about RSTP and RRPP
RRPP -> the data vlans are 2, 4 and 6 (Instance 1 = 2,4,6)
some interface-vlans are configured on the switches SWA, SWB and SWC.
Some old Cisco switches (with RSTP) should be kept and connected on HP.
1- I'd like to configure RSTP on SWA, SWB and SWC. Unfortunately, we can't specify the vlans in the RSTP configuration.
Can SWA be Root Bridge for all vlans (even the protected vlans) ?
IF yes, shoud I configure SWA, SWB and SWC as Root Bridge or SWA as Root Primary and SWB as Root Secondary ?
Thanks,
Herve
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04-22-2013 12:37 AM
04-22-2013 12:37 AM
Re: How to configure RSTP and RRPP on the same switch ?
Hi Arthis
You have to disable STP on all RRPP ports (RRPP looks for a non-looping ring). That results to a STP domain for each location. Each location will have a root (eg. SWA, SWB and SWC)
br
Manuel
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04-22-2013 06:49 PM
04-22-2013 06:49 PM
Re: How to configure RSTP and RRPP on the same switch ?
The RSTP and RRPP configs are independent of each other.
As such, the protected vlan concept only applies to the RRPP ring(s) which you have configured.
RSTP is not vlan aware, so will just assign a status (fw or blk) at the port level (for all vlans which are defined on the port).
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04-23-2013 07:49 AM
04-23-2013 07:49 AM
Re: How to configure RSTP and RRPP on the same switch ?
Hi,
Thanks for your answer.
That's a bit confusing because one instance (MSTP) must be created for the Protected Vlans (RRPP) and this same instance can be used for RSTP.
Anyway. What I've done on SWA, SWB and SWC:
- Instance 1 defines the protected vlans (RRPP)
- RSTP configuration: Each switch is the Root Primary for instance 1 and Root Primary for instance 0.
stp region-configuration
instance 1 vlan 2 4 6 ----> defines the protected vlans
active region-configuration
#
rrpp domain 1
control-vlan 11
protected-vlan reference-instance 1
ring 1 node-mode transit primary-port GigabitEthernet 1/2/0/1 secondary-port GigabitEthernet2/2/0/1 level 0
ring 1 enable
#
stp mode rstp
stp instance 0 root primary
stp instance 1 root primary
stp enable
I think that's correct.