[j-nsp] MC-lag and rstp

[Tomasz Mikołajek]

Hello.

I have a question about mc-lag and rstp. RSTP is blocking Port-channel 1 on
Cisco switch which is connected to two MX routers by Mc-lag link. On MX
router I have configured RSTP accordig to:

http://www.juniper.net/documentation/en_US/junos13.3/topics/usage-guidelines/interfaces-configuring-multi-chassis-link-aggregation.html
(points 9, 10, 11). Juniper support wrote:



·         *"MC-LAG provides loop-free Layer 2 network without running
the Spanning Tree Protocol (STP).*

·

·         *Please refer the below links to configure the MC-LAG :*

·

·         *http://www.juniper.net/documentation/en_US/junos13.3/topics/usage-guidelines/interfaces-configuring-multi-chassis-link-aggregation.html
<http://www.juniper.net/documentation/en_US/junos13.3/topics/usage-guidelines/interfaces-configuring-multi-chassis-link-aggregation.html>*

·

·         *http://www.juniper.net/documentation/en_US/junos13.2/topics/concept/lag-multichassis-qfx-series-overview.html
<http://www.juniper.net/documentation/en_US/junos13.2/topics/concept/lag-multichassis-qfx-series-overview.html>"*





Thank you in advance for help.