День добрый.
Подскажите с настройкой RSTP.
Собираю на стенде из двух свичей DGS-1210-20/ME.
Код:
Device Type : DGS-1210-20/ME
MAC Address : BC-0F-9A-F9-6F-80
IP Address : 10.90.90.90 (Manual)
VLAN Name : default
Subnet Mask : 255.0.0.0
Default Gateway : 0.0.0.0
System Boot Version : 1.00.023
System Firmware Version : 6.13.B010
System Hardware Version : A1
System Serial Number : TM3T106001140
Схема соединения:
Код:
SW01.PORT17 <--> SW02.PORT17
SW01.PORT20 <--> SW02.PORT20
Конфиг SW01
enable stp
config stp version rstp
config stp priority 4096 instance_id 0
config stp txholdcount 6 maxage 20 hellotime 2 forwarddelay 15 maxhops 20
config stp nni_bpdu_addr dot1d
config stp fbpdu enable
config stp ports 1-16 externalcost auto edge true restricted_tcn false restricted_role false p2p auto state disable priority 128 fbpdu disable
config stp ports 17-20 externalcost auto edge false restricted_tcn false restricted_role false p2p auto state enable priority 128 fbpdu enable
config stp mst_config_id name bc:0f:9a:f9:6f:80 revision_level 0
config stp mst_ports 1-20 instance_id 0 internalCost auto priority 128
Конфиг SW02
enable stp
config stp version rstp
config stp priority 32768 instance_id 0
config stp txholdcount 6 maxage 20 hellotime 2 forwarddelay 15 maxhops 20
config stp nni_bpdu_addr dot1d
config stp fbpdu enable
config stp ports 1-16 externalcost auto edge auto restricted_tcn false restricted_role false p2p auto state disable priority 128 fbpdu disable
config stp ports 17-20 externalcost auto edge false restricted_tcn false restricted_role false p2p auto state enable priority 128 fbpdu enable
config stp mst_config_id name bc:0f:9a:f9:6f:a0 revision_level 0
config stp mst_ports 1-20 instance_id 0 internalCost auto priority 128
SW01
Код:
Command: show stp
STP Bridge Global Settings
------------------------------
STP Status : Enabled
STP Version : RSTP
Bridge Priority : 4096
Max Age : 20
Hello Time : 2
Forward Delay : 15
TX Hold Count : 6
Max Hops : 20
Forward BPDU : Enabled
NNI BPDU Address : dot1d
Root Cost : 0
Root Maximum Age : 20
Root Forward Delay : 15
Root Port : 0
Root Bridge : 10:00:BC:0F:9A:F9:6F:80
Command: show stp instance
## CIST
Designated Root Bridge bc:0f:9a:f9:6f:80 Priority 4096
We are the Root for CST
Port 0 , path cost 0
Regional Root Bridge bc:0f:9a:f9:6f:80 Priority 4096
Path cost 0
Designated Bridge bc:0f:9a:f9:6f:80 Priority 4096
Configured Forward delay 15, Max age 20, Max hops 20
Operational Forward delay 15, Max age 20
Topology Changes Count : 19
Last Topology Change : 51789
Interface Role Sts Cost Prio.Nbr Type
--------- ---- --- ---- -------- ----
17 Designated Forwarding 20000 128.17 Point to point
20 Designated Forwarding 20000 128.20 Point to point
SW02
Код:
Command: show stp
STP Bridge Global Settings
------------------------------
STP Status : Enabled
STP Version : RSTP
Bridge Priority : 32768
Max Age : 20
Hello Time : 2
Forward Delay : 15
TX Hold Count : 6
Max Hops : 20
Forward BPDU : Enabled
NNI BPDU Address : dot1d
Root Cost : 200000000
Root Maximum Age : 20
Root Forward Delay : 15
Root Port : 17
Root Bridge : 10:00:BC:0F:9A:F9:6F:80
Command: show stp instance
## CIST
Designated Root Bridge bc:0f:9a:f9:6f:80 Priority 4096
Port 17 , path cost 200000000
Regional Root Bridge bc:0f:9a:f9:6f:a0 Priority 32768
Path cost 0
Designated Bridge bc:0f:9a:f9:6f:80 Priority 4096
Configured Forward delay 15, Max age 20, Max hops 20
Operational Forward delay 15, Max age 20
Topology Changes Count : 16
Last Topology Change : 52881
Interface Role Sts Cost Prio.Nbr Type
--------- ---- --- ---- -------- ----
17 Root Forwarding 20000 128.17 Point to point
20 Alternate Discarding 20000 128.20 Point to point
С первого взгляда все нормально.
При этом трафик на STP портах составляет 110Мбит/с
Код:
Command: show utilization ports 17,20
Port TX(5 sec.) RX(5 sec.) Util(5 sec.) One min. Five min.
---- ---------- ---------- ------------ -------- ---------
17 892212 3 11% 10% 11%
20 0 764907 11% 11% 11%
При подключении в порт, не являющегося участником STP, еще одного свича имею следующую картину
Код:
Command: show stp instance
## CIST
Designated Root Bridge bc:0f:9a:f9:6f:80 Priority 4096
We are the Root for CST
Port 0 , path cost 0
Regional Root Bridge bc:0f:9a:f9:6f:80 Priority 4096
Path cost 0
Designated Bridge bc:0f:9a:f9:6f:80 Priority 4096
Configured Forward delay 15, Max age 20, Max hops 20
Operational Forward delay 15, Max age 20
Topology Changes Count : 19
Last Topology Change : 52038
Interface Role Sts Cost Prio.Nbr Type
--------- ---- --- ---- -------- ----
16 Disabled Forwarding 200000 128.16 Point to point
17 Designated Forwarding 20000 128.17 Point to point
20 Designated Forwarding 20000 128.20 Point to point
Command: show utilization ports 16,17,20
Port TX(5 sec.) RX(5 sec.) Util(5 sec.) One min. Five min.
---- ---------- ---------- ------------ -------- ---------
16 513975 305 51% 27% 7%
17 293 1785945 25% 14% 12%
20 1528280 0 22% 14% 12%
Подскажите что не так делаю
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