Ну что, никто не подскажет в чем может быть причина?
Конфигурация DGS-3100-24TG:
Код:
! VLAN
config vlan default delete 1:(1-24)
create vlan Management tag 5
create vlan vlan800 tag 800
create vlan dvlan911 tag 911
config vlan Management add untagged 1:(1-4,23-24)
config vlan vlan800 add tagged 1:(23-24)
config vlan dvlan911 add tagged 1:(8,23-24)
! MULTIPLE SPANNING TREE
enable stp
config stp version mstp
config stp fbpdu enable
config stp priority 4096 instance_id 0
config stp priority 4096 instance_id 1
...
config stp priority 4096 instance_id 15
config stp mst_config_id revision_level 1 name tst
config stp instance_id 1 add_vlan 5,800,911
Конфигурация DES-3200-26:
Код:
# VLAN
disable asymmetric_vlan
enable pvid auto_assign
config vlan default delete 1-26
config vlan default advertisement disable
create vlan Management tag 5
config vlan Management add untagged 25-26
create vlan vlan800 tag 800
config vlan vlan800 add tagged 25-26
create vlan dvlan911 tag 911
config vlan dvlan911 add tagged 25-26
enable qinq
disable gvrp
config qinq ports 1-24 role uni outer_tpid 0x8100 trust_cvid disable vlan_translation disable
config qinq ports 25-26 role nni outer_tpid 0x8100 trust_cvid disable vlan_translation disable
config gvrp 1-24 state disable ingress_checking disable acceptable_frame admit_all pvid 1
config gvrp 25-26 state disable ingress_checking disable acceptable_frame admit_all pvid 5
# STP
config stp version mstp
config stp maxage 20 maxhops 20 forwarddelay 15 txholdcount 6 fbpdu enable
config stp priority 32768 instance_id 0
create stp instance_id 1
config stp instance_id 1 add_vlan 5,800,911
config stp priority 32768 instance_id 1
config stp mst_config_id name tst revision_level 1
config stp ports 1-24 externalCost auto hellotime 2 edge auto p2p auto state enable
config stp ports 1-26 hellotime 2
config stp mst_ports 1-26 instance_id 0 internalCost auto priority 128
config stp ports 1-26 fbpdu enable
config stp ports 1-26 restricted_role false
config stp ports 1-26 restricted_tcn false
config stp ports 25-26 externalCost auto hellotime 2 edge false p2p auto state enable
config stp mst_ports 1-26 instance_id 1 internalCost auto priority 128
enable stp
STP на DGS-3100-24TG:
Код:
# show stp instance_id 0
Instance Type : CIST
Instance Status : Enabled
Instance Priority : 4096
STP Instance Operational Status
-------------------------------
Designated Root Bridge : 4096/f0:7d:68:d1:10:54
External Root Cost : 0
Regional Root Bridge : 4096/f0:7d:68:d1:10:54
Internal Root Cost : 0
Root Port : 0
STP на DES-3200-26 (коммутатор B):
Код:
#show stp instance 0
Command: show stp instance 0
STP Instance Settings
---------------------------
Instance Type : CIST
Instance Status : Enabled
Instance Priority : 32768(Bridge Priority : 32768, sys ID ext : 0 )
STP Instance Operational Status
--------------------------------
Designated Root Bridge : 32768/1C-BD-B9-71-22-A0
External Root Cost : 0
Regional Root Bridge : 32768/1C-BD-B9-71-22-A0
Internal Root Cost : 60000
Designated Bridge : 32768/34-08-04-5A-13-10
Root Port : 26
Root port на коммутаторе B должен, согласно конфигурации, быть
25 (uplink на DGS-3100-24TG).