[j-nsp] RSTP over logical-system.
Nilesh Khambal
nkhambal at juniper.net
Tue Nov 2 22:38:53 EDT 2010
David,
I don't think you can run RSTP in logical routers. As you can see from your
outputs below, RSTP instances in all the LRs are using same system MAC. You
can probably try MSTP but don't think RSTP will work in LRs.
BTW, what JUNOS version is this?
Thanks,
Nilesh.
> nsn at MX960-LAB-RE0> ...ge logical-system SW1 routing-instance 11
> STP bridge parameters
> Routing instance name : SW1/11
> Context ID : 1
> Enabled protocol : STP
> Root ID : 0.80:71:1f:8c:7f:d0
> Hello time : 2 seconds
> Maximum age : 20 seconds
> Forward delay : 15 seconds
> Message age : 0
> Number of topology changes : 2
> Time since last topology change : 388 seconds
> Local parameters
> Bridge ID : 0.80:71:1f:8c:7f:d0 <<<<<<<
> Extended system ID : 0
>
> {master}
> nsn at MX960-LAB-RE0> ...tree bridge logical-system SW2 routing-instance 12
> STP bridge parameters
> Routing instance name : SW2/12
> Context ID : 2
> Enabled protocol : STP
> Root ID : 8192.80:71:1f:8c:7f:d0
> Hello time : 2 seconds
> Maximum age : 20 seconds
> Forward delay : 15 seconds
> Message age : 0
> Number of topology changes : 1
> Time since last topology change : 396 seconds
> Local parameters
> Bridge ID : 8192.80:71:1f:8c:7f:d0 <<<<<<<
> Extended system ID : 0
On 11/2/10 7:08 PM, "David Lockuan" <dlockuan at gmail.com> wrote:
> Hi guys,
>
> I'm testing the protocols rstp over logical-systems, but when I set the
> priority over one interface for it work as root, it is not change the status
> in the protocols rstp and the other interface don't change to Blocking.
> theirs always keep on Forwarding state.
>
> The topology that I am using it is the next:
>
> SW1 (logical)-----------ge-3/0/2------------loop
> fisico------------ge-3/0/3----------SW2(logical)
> SW1 (logical)-----------ge-3/0/4------------loop
> fisico------------ge-3/0/5----------SW2(logical)
>
> I want to put the interface ge-3/0/2 as root interface.
>
> These are configuration of both logical-systems:
>
******************************************************************************>
*
> {master}
> nsn at MX960-LAB-RE0> show configuration interfaces
> ge-3/0/2 {
> encapsulation ethernet-bridge;
> }
> ge-3/0/3 {
> encapsulation ethernet-bridge;
> }
> ge-3/0/4 {
> encapsulation ethernet-bridge;
> }
> ge-3/0/5 {
> encapsulation ethernet-bridge;
> }
>
> {master}
> nsn at MX960-LAB-RE0> show configuration logical-systems SW1
> interfaces {
> ge-3/0/2 {
> unit 0 {
> family bridge;
> }
> }
> ge-3/0/4 {
> unit 0 {
> family bridge;
> }
> }
> }
> routing-instances {
> 11 {
> instance-type virtual-switch;
> protocols {
> rstp {
> bridge-priority 0;
> interface ge-3/0/2 {
> priority 0;
> mode point-to-point;
> }
> interface ge-3/0/4 {
> mode point-to-point;
> }
> force-version stp;
> }
> }
> bridge-domains {
> br1 {
> interface ge-3/0/2.0;
> interface ge-3/0/4.0;
> }
> }
> }
> }
>
> {master}
> nsn at MX960-LAB-RE0> show configuration logical-systems SW2
> interfaces {
> ge-3/0/3 {
> unit 0 {
> family bridge;
> }
> }
> ge-3/0/5 {
> unit 0 {
> family bridge;
> }
> }
> }
> routing-instances {
> 12 {
> instance-type virtual-switch;
> protocols {
> rstp {
> bridge-priority 8k;
> interface ge-3/0/3 {
> mode point-to-point;
> }
> interface ge-3/0/5 {
> mode point-to-point;
> }
> force-version stp;
> }
> }
> bridge-domains {
> br1 {
> interface ge-3/0/3.0;
> interface ge-3/0/5.0;
> }
> }
> }
> }
>
> {master}
> nsn at MX960-LAB-RE0>
>
******************************************************************************>
*
>
> The output of the show spanning-tree commands:
>
>
******************************************************************************>
*
> {master}
> nsn at MX960-LAB-RE0> ...e interface logical-system SW1 routing-instance 11
>
> Spanning tree interface parameters for instance 0
>
> Interface Port ID Designated Designated Port State
> Role
> port ID bridge ID Cost
> ge-3/0/2 0:123 0:123 0.80711f8c7fd0 20000 FWD
> DESG
> ge-3/0/4 128:125 128:125 0.80711f8c7fd0 20000 FWD
> DESG
>
> {master}
> nsn at MX960-LAB-RE0> ...e interface logical-system SW2 routing-instance 12
>
> Spanning tree interface parameters for instance 0
>
> Interface Port ID Designated Designated Port State
> Role
> port ID bridge ID Cost
> ge-3/0/3 128:124 128:124 8192.80711f8c7fd0 20000 FWD
> DESG
> ge-3/0/5 128:126 128:126 8192.80711f8c7fd0 20000 FWD
> DESG
>
> {master}
> nsn at MX960-LAB-RE0> show spanning-tree bridge logical-system SW1
> Spanning-tree is not enabled in layer2-control instance SW1/default.
>
> {master}
> nsn at MX960-LAB-RE0> ...ge logical-system SW1 routing-instance 11
> STP bridge parameters
> Routing instance name : SW1/11
> Context ID : 1
> Enabled protocol : STP
> Root ID : 0.80:71:1f:8c:7f:d0
> Hello time : 2 seconds
> Maximum age : 20 seconds
> Forward delay : 15 seconds
> Message age : 0
> Number of topology changes : 2
> Time since last topology change : 388 seconds
> Local parameters
> Bridge ID : 0.80:71:1f:8c:7f:d0
> Extended system ID : 0
>
> {master}
> nsn at MX960-LAB-RE0> ...tree bridge logical-system SW2 routing-instance 12
> STP bridge parameters
> Routing instance name : SW2/12
> Context ID : 2
> Enabled protocol : STP
> Root ID : 8192.80:71:1f:8c:7f:d0
> Hello time : 2 seconds
> Maximum age : 20 seconds
> Forward delay : 15 seconds
> Message age : 0
> Number of topology changes : 1
> Time since last topology change : 396 seconds
> Local parameters
> Bridge ID : 8192.80:71:1f:8c:7f:d0
> Extended system ID : 0
>
>
******************************************************************************>
*
>
> I don't know, if my configuration is right? or maybe i have a mistake.
>
> Somebody has tried to implement this feature on single chassis MX with
> logical-systems??
>
> Thanks in advance for your help.
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