Приветствую, коллеги!Схема такая:
cisco2921 gi0/0/2----------- gi0/47 trunk
trunk 3560G-core2
dot1Q 30 gi0/52 trunk
gi0/0.30 |
| |
| |
| |
gi0/47 trunk |
3560x-core1 trunk-----------
gi0/48
Проблема в следующем: корнем rstp для 30 влана является маршрутизатор. Но я не вижу на 35ых заблокированых портов(нет кольца). 3560G-core2 подключена через EHWIC-4ESG, а кора1 через сабик родного интерфейса 2921. Как заставить сабики 2921 участвовать в STP? Если нужна доп информация - спрашивайте, буду рад ответить.
по 2921:
IOS - 15.5(2)T
ВИК:
interface GigabitEthernet0/0/2
description LAN
switchport mode trunk
no ip address
end
interface GigabitEthernet0/0
no ip address
duplex auto
speed auto
!
interface GigabitEthernet0/0.30
description LAN
bandwidth 1000000
encapsulation dot1Q 30
ip address 192.168.30.233 255.255.255.248
ip accounting output-packets
ip nat inside
ip virtual-reassembly in
rate-limit input access-group 2000 1000000 1000000 1000000 conform-action transmit exceed-action drop
!
show spanning-tree vlan 30
VLAN30 is executing the ieee compatible Spanning Tree protocol
Bridge Identifier has priority 32768, address c067.af00.12c6
Configured hello time 2, max age 20, forward delay 15
We are the root of the spanning tree
Topology change flag not set, detected flag not set
Number of topology changes 51 last change occurred 1d01h ago
from GigabitEthernet0/0/2
Times: hold 1, topology change 35, notification 2
hello 2, max age 20, forward delay 15
Timers: hello 1, topology change 0, notification 0, aging 300
Port 3 (GigabitEthernet0/0/2) of VLAN30 is forwarding
Port path cost 4, Port priority 128, Port Identifier 128.3.
Designated root has priority 32768, address c067.af00.12c6
Designated bridge has priority 32768, address c067.af00.12c6
Designated port id is 128.3, designated path cost 0
Timers: message age 0, forward delay 0, hold 0
Number of transitions to forwarding state: 1
BPDU: sent 2350396, received 116
3560x-core1
IOS - 12.2(58r)SE1
модель WS-C3560X-48P-E
interface GigabitEthernet0/47
switchport trunk encapsulation dot1q
switchport mode trunk
end
!
interface GigabitEthernet0/48
switchport trunk encapsulation dot1q
switchport mode trunk
end
show spanning-tree vlan 30
VLAN0030
Spanning tree enabled protocol rstp
Root ID Priority 32768
Address c067.af00.12c6
Cost 8
Port 48 (GigabitEthernet0/48)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32798 (priority 32768 sys-id-ext 30)
Address c08c.60f8.ac80
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 300 sec
Interface Role Sts Cost Prio.Nbr Type
------------------- ---- --- --------- -------- --------------------------------
Gi0/1 Desg FWD 4 128.1 P2p
Gi0/10 Desg FWD 4 128.10 P2p
Gi0/11 Desg FWD 4 128.11 P2p
Gi0/12 Desg FWD 4 128.12 P2p
Gi0/19 Desg FWD 19 128.19 P2p
Gi0/35 Desg FWD 4 128.35 P2p
Gi0/45 Desg FWD 4 128.45 P2p
Gi0/47 Desg FWD 4 128.47 P2p
Gi0/48 Root FWD 4 128.48 P2p
3560G-core2
IOS - 12.2(53)SE
Модель - WS-C3560G-48PS-S
interface GigabitEthernet0/52
switchport trunk encapsulation dot1q
switchport mode trunk
end
interface GigabitEthernet0/47
switchport trunk encapsulation dot1q
switchport mode trunk
end
show span vlan 30
VLAN0030
Spanning tree enabled protocol rstp
Root ID Priority 32768
Address c067.af00.12c6
Cost 4
Port 47 (GigabitEthernet0/47)
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32798 (priority 32768 sys-id-ext 30)
Address 0024.50f4.d680
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 300 sec
Interface Role Sts Cost Prio.Nbr Type
------------------- ---- --- --------- -------- --------------------------------
Gi0/41 Desg FWD 4 128.41 P2p
Gi0/43 Desg FWD 4 128.43 P2p Peer(STP)
Gi0/45 Desg FWD 4 128.45 P2p
Gi0/46 Desg FWD 4 128.46 P2p
Gi0/47 Root FWD 4 128.47 P2p Peer(STP)
Gi0/48 Desg FWD 4 128.48 P2p
Gi0/51 Desg FWD 4 128.51 P2p
Gi0/52 Desg FWD 4 128.52 P2p