MSTP not functioning correctly?
kronicklez
Member Posts: 40 ■■□□□□□□□□
in Juniper
Hi all,
Just to ask someone here that have exprience using MSTP. Supposedly if we use MSTP we can utilize both link right? But why STP still block second link. Kindly please refer log below. Thanks.
Access> show ethernet-switching interfaces xe-0/1/0
Interface State VLAN members Tag Tagging Blocking
xe-0/1/0.0 up Access-Card 136 tagged blocked by STP
DHCP-VlanFlr1 201 tagged blocked by STP
MGT-VLAN 1 tagged blocked by STP
Stat-VlanFlr1 101 tagged blocked by STP
UPS-Vlan 300 tagged blocked by STP
Access> show ethernet-switching interfaces xe-1/1/0
Interface State VLAN members Tag Tagging Blocking
xe-1/1/0.0 up Access-Card 136 tagged unblocked
DHCP-VlanFlr1 201 tagged unblocked
MGT-VLAN 1 tagged unblocked
Stat-VlanFlr1 101 tagged unblocked
UPS-Vlan 300 tagged unblocked
Access> show configuration protocols mstp
configuration-name REGION1;
revision-level 1;
interface xe-0/1/0.0 {
mode point-to-point;
}
interface ge-1/0/22.0 {
edge;
}
interface ge-1/0/23.0 {
edge;
}
interface xe-1/1/0.0 {
mode point-to-point;
}
interface DHCP-Port {
edge;
}
interface Static-Port {
edge;
}
msti 1 {
vlan [ Stat-VlanFlr1 Access-Card MGT-VLAN ];
}
msti 2 {
vlan [ DHCP-VlanFlr1 UPS-Vlan ];
}
Access> show configuration interfaces xe-0/1/0
unit 0 {
description "Trunk to Core 01 interface xe-0/0/0";
family ethernet-switching {
port-mode trunk;
vlan {
members [ Stat-VlanFlr1 DHCP-VlanFlr1 Access-Card UPS-Vlan MGT-VLAN ];
}
}
}
Access> show configuration interfaces xe-1/1/0
unit 0 {
description "Trunk to Core 02 interface xe-0/0/0";
family ethernet-switching {
port-mode trunk;
vlan {
members [ Stat-VlanFlr1 DHCP-VlanFlr1 Access-Card UPS-Vlan MGT-VLAN ];
}
}
}
Just to ask someone here that have exprience using MSTP. Supposedly if we use MSTP we can utilize both link right? But why STP still block second link. Kindly please refer log below. Thanks.
Access> show ethernet-switching interfaces xe-0/1/0
Interface State VLAN members Tag Tagging Blocking
xe-0/1/0.0 up Access-Card 136 tagged blocked by STP
DHCP-VlanFlr1 201 tagged blocked by STP
MGT-VLAN 1 tagged blocked by STP
Stat-VlanFlr1 101 tagged blocked by STP
UPS-Vlan 300 tagged blocked by STP
Access> show ethernet-switching interfaces xe-1/1/0
Interface State VLAN members Tag Tagging Blocking
xe-1/1/0.0 up Access-Card 136 tagged unblocked
DHCP-VlanFlr1 201 tagged unblocked
MGT-VLAN 1 tagged unblocked
Stat-VlanFlr1 101 tagged unblocked
UPS-Vlan 300 tagged unblocked
Access> show configuration protocols mstp
configuration-name REGION1;
revision-level 1;
interface xe-0/1/0.0 {
mode point-to-point;
}
interface ge-1/0/22.0 {
edge;
}
interface ge-1/0/23.0 {
edge;
}
interface xe-1/1/0.0 {
mode point-to-point;
}
interface DHCP-Port {
edge;
}
interface Static-Port {
edge;
}
msti 1 {
vlan [ Stat-VlanFlr1 Access-Card MGT-VLAN ];
}
msti 2 {
vlan [ DHCP-VlanFlr1 UPS-Vlan ];
}
Access> show configuration interfaces xe-0/1/0
unit 0 {
description "Trunk to Core 01 interface xe-0/0/0";
family ethernet-switching {
port-mode trunk;
vlan {
members [ Stat-VlanFlr1 DHCP-VlanFlr1 Access-Card UPS-Vlan MGT-VLAN ];
}
}
}
Access> show configuration interfaces xe-1/1/0
unit 0 {
description "Trunk to Core 02 interface xe-0/0/0";
family ethernet-switching {
port-mode trunk;
vlan {
members [ Stat-VlanFlr1 DHCP-VlanFlr1 Access-Card UPS-Vlan MGT-VLAN ];
}
}
}