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3 Posts

25385

April 2nd, 2013 15:00

Powerconnect 7048r Dropping Router

we currently have stacked Powerconnects 7048r on our network connected to a Sonicwall NSA 3500 on port gi1/0/45 and gi1/0/43 that 
keep getting dropped every couple of hours, after seeing all the spanning tree msg's I tried turning it off on those ports only but to no avail. Any suggestions as to 
why these ports would keep failing? to much congestion? Thanks alot

Notice APR 02 05:27:23 TRAPMGR Gi1/0/35 is transitioned from the Forwarding state to the Blocking state in instance 0
Notice APR 02 05:27:24 TRAPMGR Gi1/0/13 is transitioned from the Learning state to the Forwarding state in instance 0
Notice APR 02 05:27:25 TRAPMGR Gi2/0/15 is transitioned from the Learning state to the Forwarding state in instance 0
Notice APR 02 05:27:26 TRAPMGR Gi1/0/35 is transitioned from the Learning state to the Forwarding state in instance 0
Notice APR 02 14:19:19 TRAPMGR Spanning Tree Topology Change Received: MSTID: 0 Unit: 1 Slot: 0 Port: 48
Notice APR 02 14:19:19 TRAPMGR Spanning Tree Topology Change: 0, Unit: 1
Notice APR 02 14:19:21 TRAPMGR Spanning Tree Topology Change Received: MSTID: 0 Unit: 1 Slot: 0 Port: 48
Notice APR 02 14:21:35 TRAPMGR Spanning Tree Topology Change Received: MSTID: 0 Unit: 1 Slot: 0 Port: 48
Notice APR 02 14:21:35 TRAPMGR Spanning Tree Topology Change: 0, Unit: 1
Notice APR 02 14:21:37 TRAPMGR Spanning Tree Topology Change Received: MSTID: 0 Unit: 1 Slot: 0 Port: 48
Notice APR 02 18:39:32 TRAPMGR Spanning Tree Topology Change Received: MSTID: 0 Unit: 1 Slot: 0 Port: 48
Notice APR 02 18:39:32 TRAPMGR Spanning Tree Topology Change: 0, Unit: 1
Notice APR 02 18:39:34 TRAPMGR Spanning Tree Topology Change Received: MSTID: 0 Unit: 1 Slot: 0 Port: 48
Notice APR 02 20:00:41 TRAPMGR Link Down: Gi1/0/43
Notice APR 02 20:00:41 TRAPMGR Link on Gi1/0/43 is failed
Notice APR 02 20:00:41 TRAPMGR Link Down: Gi1/0/45
Notice APR 02 20:00:41 TRAPMGR Link on Gi1/0/45 is failed
Notice APR 02 20:00:47 TRAPMGR Link Up: Gi1/0/43
Notice APR 02 20:00:47 TRAPMGR Link Up: Gi1/0/45
Notice APR 02 20:01:27 TRAPMGR Link Down: Gi1/0/43
Notice	APR 01 23:00:06	TRAPMGR	Link Up: Gi2/0/39
Notice APR 01 23:00:06 TRAPMGR Gi2/0/39 is transitioned from the Forwarding state to the Blocking state in instance 0
Notice APR 01 23:00:06 TRAPMGR Link Up: Gi1/0/43
Notice APR 01 23:00:06 TRAPMGR Link Up: Gi1/0/45
Notice APR 01 23:00:06 TRAPMGR Gi2/0/39 is transitioned from the Learning state to the Forwarding state in instance 0
Notice APR 01 23:00:06 TRAPMGR Link Down: Gi1/0/43
Notice APR 01 23:00:06 TRAPMGR Link on Gi1/0/43 is failed
Notice APR 01 23:00:06 TRAPMGR Link Down: Gi1/0/45
Notice APR 01 23:00:06 TRAPMGR Link on Gi1/0/45 is failed
Notice APR 01 23:00:06 TRAPMGR Link Up: Gi1/0/45
Notice APR 01 23:00:06 TRAPMGR Link Up: Gi1/0/43
Info APR 01 23:00:23 UNITMGR Copy of running configuration to backup unit complete
Notice APR 02 05:25:17 TRAPMGR Link Down: Gi1/0/13
Notice APR 02 05:25:17 TRAPMGR Link on Gi1/0/13 is failed
Notice APR 02 05:25:17 TRAPMGR Gi1/0/13 is transitioned from the Forwarding state to the Blocking state in instance 0
Notice APR 02 05:25:17 TRAPMGR Link Down: Gi1/0/35
Notice APR 02 05:25:17 TRAPMGR Link on Gi1/0/35 is failed
Notice APR 02 05:25:17 TRAPMGR Gi1/0/35 is transitioned from the Forwarding state to the Blocking state in instance 0
Notice APR 02 05:25:17 TRAPMGR Link Down: Gi2/0/15
Notice APR 02 05:25:17 TRAPMGR Link on Gi2/0/15 is failed

802 Posts

April 2nd, 2013 16:00

How are you connecting to the Sonicwall?  Layer 2 or 3.  

Can you provide the running configuration for ports gi1/0/45 and gi1/0/43?  Are they meant to be in LAG or separate redundant connections?

3 Posts

April 3rd, 2013 07:00

here is my startup config for those two interfaces, port 43 is strictly for management, where port 45 is our acually connection to the router, it currently isnt setup as a lag.

interface Gi1/0/43

spanning-tree disable

spanning-tree mst 0 cost 20000

spanning-tree cost 20000

exit

!

interface Gi1/0/45

spanning-tree disable

spanning-tree mst 0 cost 20000

spanning-tree cost 20000

Here are the results from show interfaces switchport

Port: Gi1/0/45

VLAN Membership mode:General Mode

Operating parameters:

PVID: 700

Ingress Filtering: Enabled

Acceptable Frame Type: Admit All

Default Priority: 0

GVRP status:Disabled

Protected:Disabled

Port Gi1/0/45 is member in:

VLAN    Name                              Egress rule   Type

----    --------------------------------- -----------   --------

1       default                           Untagged      Default

300     Data                              Untagged      Static

700     Sonicwall                         Untagged      Static

Static configuration:

PVID: 700

Ingress Filtering: Enabled

Acceptable Frame Type: Admit All

Port: Gi1/0/43

VLAN Membership mode:Access Mode

Operating parameters:

PVID: 1

Ingress Filtering: Enabled

Acceptable Frame Type: Untagged

Default Priority: 0

GVRP status:Disabled

Protected:Disabled

Port Gi1/0/43 is member in:

VLAN    Name                              Egress rule   Type

----    --------------------------------- -----------   --------

1       default                           Untagged      Default

3 Posts

April 3rd, 2013 07:00

Oh ya, and i forgot to tell you its a layer 3 switch

802 Posts

April 3rd, 2013 11:00

Can you explain more about what you mean when you say port 43 is for management?  Is it connected to the Sonicwall?

Is the Sonciwall aware of the VLANS that you have on the Powerconnect?

Is the port on the Sonicwall set up as a switchport accepting the VLANs on the PowerConnect?

When connecting 2 routers together we need an isolated network in between the routers.  

On the powerconnect you would accomplish this with creating a VLAN specifically for that connection.  Set an IP on that VLAN that is in the same subnet as the Port on the Sonicwall.  Then set port 45 on the PowerConnect as an access switchport for that VLAN only.

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