DES-3026[26] <-> [19] DGS-3627G [24] <-> uplink
Задача: чтобы на DGS-3627G в STP рутом всегда был 24 порт.
Проблема: DES-3026 выигрывает выборы почему-то
Что я делаю не так?
DES-3026 (4.00.018) mac: 00-13-46-71-D3-B0
Код:
STP Status : Enabled
Max Age : 20
Hello Time : 2
Forward Delay : 15
Priority : 32768
Default Path Cost : 802.1T
STP Version : RSTP
TX Hold Count : 3
Forwarding BPDU : Enabled
Designated Root Bridge: 00-13-46-71-D3-B0
Root Priority : 32768
Cost to Root : 0
Root Port : None
Last Topology Change : 317sec
Topology Changes Count: 349
Protocol Specification: 3
Max Age : 20
Hello Time : 2
Forward Delay : 15
Hold Time : 3
Port Index : 26
Connection : 1000M/Full/802.3x
State : Yes
Cost : 19500
Priority : 128
Edge : No
P2P : Yes
Status : Forwarding
Role : Designated
Forwarding BPDU : Enabled
DGS-3627G (2.40-B46) mac: 00-1C-F0-1F-26-80Код:
STP Status : Enabled
STP Version : MSTP
Max Age : 20
Forward Delay : 15
Max Hops : 20
TX Hold Count : 3
Forwarding BPDU : Enabled
Loopback Detection : Enabled
LBD Recover Time : 60
Port Index : 19 , Hello Time: 2 /2 , Port STP : Enabled , LBD : Yes
External PathCost : 20000000 , Edge Port : No /No , P2P : Auto /Yes
Port Forward BPDU : Enabled
MSTI Designated Bridge Internal PathCost Prio Status Role
----- ------------------ ----------------- ---- ---------- ----------
0 8000/00134671D3B0 20000000 192 Forwarding Root
Port Index : 24 , Hello Time: 2 /2 , Port STP : Enabled , LBD : No
External PathCost : 1000 , Edge Port : Yes/Yes, P2P : Auto /Yes
Port Forward BPDU : Enabled
MSTI Designated Bridge Internal PathCost Prio Status Role
----- ------------------ ----------------- ---- ---------- ----------
0 8000/001CF01F2680 100 16 Forwarding Designated
или в коммандах:
DES-3026
Код:
config stp maxage 20 hellotime 2 forwarddelay 15 priority 32768 version rstp txholdcount 3 fbpdu enabled
enable stp
config stp ports 26 cost 1000 priority 128 edge false p2p auto state enabled
DGS-3627G
Код:
config stp version mstp
config stp maxage 20 maxhops 20 forwarddelay 15 txholdcount 3 fbpdu enable lbd enable lbd_recover_timer 60
config stp priority 32768 instance_id 0
config stp mst_config_id name 00:1C:F0:1F:26:80 revision_level 0
enable stp
config stp ports 1-17,20,22-23,25-27 externalCost auto edge false p2p auto state enable lbd disable
config stp ports 1-27 hellotime 2
config stp mst_ports 1-18,20-23,25-27 instance_id 0 internalCost auto priority 128
config stp ports 1-17,19-27 fbpdu enable
config stp ports 18,21 externalCost auto edge false p2p auto state enable lbd enable
config stp ports 18 fbpdu disable
config stp ports 19 externalCost 20000000 edge false p2p auto state enable lbd enable
config stp mst_ports 19 instance_id 0 internalCost 20000000 priority 192
config stp ports 24 externalCost 1000 edge true p2p auto state enable lbd disable
config stp mst_ports 24 instance_id 0 internalCost 100 priority 16
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