MSTP Control over Ethernet Tunnels
When MSTP is used to control VLANs, a range of VLAN IDs is normally used to specify the
VLANs to be controlled.
If an Ethernet tunnel SAP is to be controlled by MSTP, the Ethernet Tunnel SAP ID needs to be
within the VLAN range specified under the mst-instance.
vpls 400 customer 1 m-vpls create
7750 SR OS Services Guide
stp
mode mstp
mst-instance 111 create
vlan-range 1-100
exit
mst-name "abc"
mst-revision 1
no shutdown
exit
sap 1/1/1:0 create // untagged
exit
sap eth-tunnel-1 create
exit
no shutdown
exit
vpls 401 customer 1 create
stp
shutdown
exit
sap 1/1/1:12 create
exit
sap eth-tunnel-1:12 create
// Ethernet tunnel SAP ID 12 falls within the VLAN
// range for mst-instance 111
eth-tunnel
path 1 tag 1000
path 8 tag 2000
exit
exit
no shutdown
exit
Virtual Private LAN Services
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