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denis_fr
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Default route on a stack of 6224

Hello,
 
In my business, I configures two stack switches (Dell PowerConnect 6224).
I set up multiple VLANs (servers, printers, users ...) with an IP address on the interface for each VLAN in the stack, which will be the gateway for each network.
 
No problem so far, but I do not know how to set up for interconnection with my 2 FW clustered.

Here is a diagram :
 


Legend :

- The two Layer 3 switches in red are my stack (Dell PowerConnect 6224);
- The two switches of level 2 in green are for users, printers ...

What I thought:
 
Set a default route on the stack 6224.
I set the default route interface 1?
 
So all packets going out are "Untagged".
 
Thank you for your help
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11 Replies
Moderator
Moderator

Re: Default route on a stack of 6224

For communication from the Green level 2 switches to the Red 6224 stack, and with the Red 6224 stack to the orange firewall devices, you will need to setup a switchport general mode on the LAG/port-channel that connects the two devices together.

You would navigate to the interface that connects the two devices and run a command similar to this.

console(config)# interface port-channel 1

console(config-if)# switchport mode general

console(config-if)# switchport general allowed vlan add 2 tagged

console(config-if)# end

On the 6224, using general mode will allow tagged frames across the connection, along with untagged frames such as the management VLAN. The management VLAN is by default VLAN 1.

Once the ports are configured on the PowerConnect 6224 devices, the other devices will need to be properly configured to mirror the type of setup that is on the PowerConnect 6224.

More information can be found on the switchport mode on page 600 of the user manual.

support.dell.com/.../cli_en.pdf

I hope this information is helpful.

Thanks.

Daniel Covey
Dell EMC| Enterprise Support Services
Get support on Twitter:@DellCaresPRO
Download our QRL app:iOS, Android, Windows
Dell Networking Resources

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denis_fr
1 Nickel

Re: Default route on a stack of 6224

Thank you for your help.

I configured an IP address on VLAN 1 in each of my switches, the VLAN is "Untagged" and pass the links port-channel/LAG:

switchport general allowed vlan add 2-5 tagged

However I still have some questions:

On switches in green (2848), I do not use the VLAN 2 (Servers). Do I still have to create?

It is created and used on switches red (6224).

And on 2848 it is not possible to save the startup-config? copy startup-config tftp 😕 / xxxx / save does not work. Do you have another method?

Finally for interconnection with the two firewall, I'll create a new VLAN and create a LAG on four ports. But the frames that pass must be to arrive at Untagged by firewall that does not have to manage VLANs. How?

Thank 🙂

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Moderator
Moderator

Re: Default route on a stack of 6224

If nothing on the Green switches needs to be in VLAN 2, then there should be no reason to create VLAN 2 on the Green switches.

The 2848 has a limited CLI. Page 79 of the owners manual goes through the process of saving the running config to the startup config.

support.dell.com/.../ug_en.pdf

I am not certain I fully understand your last question, but I will try to provide some info that may help.

If the Firwalls are not VLAN aware devices, then on the switch you would put the firewall ports into access mode for the VLAN you need the firewalls to access.

Example:

console> enable

console# config

console(config)# interface ethernet 1/e1

console(config-if)# switchport mode access

console(config-if)# switchport access vlan 2

console(config-if)# end

Access Links connect VLAN unaware devices to the port of a VLAN-aware switch. All frames on access links are untagged.

The VLAN switch adds tags to received frames, and removes tags when transmitting frames.

End users and VLAN-unaware workstations commonly reside on access links.

By Default all ports are in ACCESS mode assigned to the default VLAN (VLAN 1).

Ports set to Access mode belong to one VLAN only.

More info on page 601

support.dell.com/.../cli_en.pdf

If you need to leave the ports in general mode to allow multiple VLANs, you should be able to set the allowed VLANs to untagged.

Example would be something like this.

console(config-if-1/g8)#switchport general allowed vlan add 1,2,5,8 untagged

Keep us updated,

Thanks

Daniel Covey
Dell EMC| Enterprise Support Services
Get support on Twitter:@DellCaresPRO
Download our QRL app:iOS, Android, Windows
Dell Networking Resources

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denis_fr
1 Nickel

Re: Default route on a stack of 6224

Thank for your help.

But I have another problem.

I created two LAG as shown in the diagram below:

But the LAG 2 goes into "Discarding" in the STP LAG, and so I can make more ping on the management interface switch, or take control by being connected to a VLAN 1 on another switch.

How to solve this problem? Should we disable STP?

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Moderator
Moderator

Re: Default route on a stack of 6224

We do not recommend disabling STP.

Can you do the following command on the stack, see If we can pinpoint any possible cause.

show spanning-tree

show running-config

Page  535

support.dell.com/.../cli_en.pdf

Thanks

Daniel Covey
Dell EMC| Enterprise Support Services
Get support on Twitter:@DellCaresPRO
Download our QRL app:iOS, Android, Windows
Dell Networking Resources

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denis_fr
1 Nickel

Re: Default route on a stack of 6224

Hello Dianel.

show spanning-tree :

SW-6224-STACK#show spanning-tree
Spanning tree :Enabled - BPDU Flooding :Disabled - Portfast BPDU filtering :Disa bled - mode :rstp
CST Regional Root: 80:00:D0:67:E5:7D:A3:FE
Regional Root Path Cost: 0
ROOT ID
Address D0:67:E5:7D:77:66
Path Cost 20000
Root Port ch1
Hello Time 2 Sec Max Age 20 sec Forward Delay 15 sec TxHoldCount 6 sec
Bridge ID
Priority 32768
Address D0:67:E5:7D:A3:FE
Hello Time 2 Sec Max Age 20 sec Forward Delay 15 sec
Interfaces




Name State Prio.Nbr Cost Sts Role PortFast Restricted
------ -------- --------- ---------- ---- ----- -------- -------
1/g1 Enabled 128.1 0 DIS Disb Yes No
1/g2 Enabled 128.2 0 DIS Disb Yes No
1/g3 Enabled 128.3 0 DIS Disb Yes No
1/g4 Enabled 128.4 0 DIS Disb Yes No
1/g5 Enabled 128.5 0 DIS Disb Yes No
1/g6 Enabled 128.6 0 DIS Disb Yes No
1/g7 Enabled 128.7 0 DIS Disb Yes No
1/g8 Enabled 128.8 0 DIS Disb Yes No
1/g9 Enabled 128.9 0 DIS Disb Yes No
1/g10 Enabled 128.10 0 DIS Disb Yes No
1/g11 Enabled 128.11 0 DIS Disb Yes No
1/g12 Enabled 128.12 0 DIS Disb Yes No
1/g13 Enabled 128.13 0 DIS Disb Yes No
1/g14 Enabled 128.14 0 DIS Disb Yes No
1/g15 Enabled 128.15 0 DIS Disb Yes No
1/g16 Enabled 128.16 0 DIS Disb Yes No



Name State Prio.Nbr Cost Sts Role PortFast Restricted
------ -------- --------- ---------- ---- ----- -------- -------
1/g17 Enabled 128.17 0 DIS Disb Yes No
1/g18 Enabled 128.18 0 DIS Disb Yes No
1/g19 Enabled 128.19 0 DIS Disb Yes No
1/g20 Enabled 128.20 0 DIS Disb Yes No
1/g21 Enabled 128.21 0 FWD Disb No No
1/g22 Enabled 128.22 0 FWD Disb No No
1/g23 Enabled 128.23 0 DIS Disb No No
1/g24 Enabled 128.24 0 DIS Disb No No
1/xg1 Enabled 128.25 0 DIS Disb No No
1/xg2 Enabled 128.26 0 DIS Disb No No
1/xg3 Enabled 128.27 0 DIS Disb No No
1/xg4 Enabled 128.28 0 DIS Disb No No
2/g1 Enabled 128.53 0 DIS Disb Yes No
2/g2 Enabled 128.54 0 DIS Disb Yes No
2/g3 Enabled 128.55 0 DIS Disb Yes No
2/g4 Enabled 128.56 0 DIS Disb Yes No



Name State Prio.Nbr Cost Sts Role PortFast Restricted
------ -------- --------- ---------- ---- ----- -------- -------
2/g5 Enabled 128.57 0 DIS Disb Yes No
2/g6 Enabled 128.58 0 DIS Disb Yes No
2/g7 Enabled 128.59 0 DIS Disb Yes No
2/g8 Enabled 128.60 0 DIS Disb Yes No
2/g9 Enabled 128.61 0 DIS Disb Yes No
2/g10 Enabled 128.62 0 DIS Disb Yes No
2/g11 Enabled 128.63 0 DIS Disb Yes No
2/g12 Enabled 128.64 0 DIS Disb Yes No
2/g13 Enabled 128.65 0 DIS Disb Yes No
2/g14 Enabled 128.66 0 DIS Disb Yes No
2/g15 Enabled 128.67 0 DIS Disb Yes No
2/g16 Enabled 128.68 0 DIS Disb Yes No
2/g17 Enabled 128.69 0 DIS Disb Yes No
2/g18 Enabled 128.70 0 DIS Disb Yes No
2/g19 Enabled 128.71 0 DIS Disb Yes No
2/g20 Enabled 128.72 0 DIS Disb Yes No



Name State Prio.Nbr Cost Sts Role PortFast Restricted
------ -------- --------- ---------- ---- ----- -------- -------
2/g21 Enabled 128.73 0 FWD Disb No No
2/g22 Enabled 128.74 0 FWD Disb No No
2/g23 Enabled 128.75 0 DIS Disb No No
2/g24 Enabled 128.76 0 DIS Disb No No
2/xg1 Enabled 128.77 0 DIS Disb No No
2/xg2 Enabled 128.78 0 DIS Disb No No
2/xg3 Enabled 128.79 0 DIS Disb No No
2/xg4 Enabled 128.80 0 DIS Disb No No
ch1 Enabled 96.626 20000 FWD Root No No
ch2 Enabled 96.627 10000 FWD Desg No No
ch3 Enabled 96.628 0 DIS Disb No No
ch4 Enabled 96.629 0 DIS Disb No No
ch5 Enabled 96.630 0 DIS Disb No No
ch6 Enabled 96.631 0 DIS Disb No No
ch7 Enabled 96.632 0 DIS Disb No No



Name State Prio.Nbr Cost Sts Role PortFast Restricted
------ -------- --------- ---------- ---- ----- -------- -------
ch8 Enabled 96.633 0 DIS Disb No No
ch9 Enabled 96.634 0 DIS Disb No No
ch10 Enabled 96.635 0 DIS Disb No No
ch11 Enabled 96.636 0 DIS Disb No No
ch12 Enabled 96.637 0 DIS Disb No No
ch13 Enabled 96.638 0 DIS Disb No No
ch14 Enabled 96.639 0 DIS Disb No No
ch15 Enabled 96.640 0 DIS Disb No No
ch16 Enabled 96.641 0 DIS Disb No No
ch17 Enabled 96.642 0 DIS Disb No No
ch18 Enabled 96.643 0 DIS Disb No No
ch19 Enabled 96.644 0 DIS Disb No No
ch20 Enabled 96.645 0 DIS Disb No No
ch21 Enabled 96.646 0 DIS Disb No No
ch22 Enabled 96.647 0 DIS Disb No No
ch23 Enabled 96.648 0 DIS Disb No No



Name State Prio.Nbr Cost Sts Role PortFast Restricted
------ -------- --------- ---------- ---- ----- -------- -------
ch24 Enabled 96.649 0 DIS Disb No No
ch25 Enabled 96.650 0 DIS Disb No No
ch26 Enabled 96.651 0 DIS Disb No No
ch27 Enabled 96.652 0 DIS Disb No No
ch28 Enabled 96.653 0 DIS Disb No No
ch29 Enabled 96.654 0 DIS Disb No No
ch30 Enabled 96.655 0 DIS Disb No No
ch31 Enabled 96.656 0 DIS Disb No No
ch32 Enabled 96.657 0 DIS Disb No No
ch33 Enabled 96.658 0 DIS Disb No No
ch34 Enabled 96.659 0 DIS Disb No No
ch35 Enabled 96.660 0 DIS Disb No No
ch36 Enabled 96.661 0 DIS Disb No No
ch37 Enabled 96.662 0 DIS Disb No No
ch38 Enabled 96.663 0 DIS Disb No No
ch39 Enabled 96.664 0 DIS Disb No No



Name State Prio.Nbr Cost Sts Role PortFast Restricted
------ -------- --------- ---------- ---- ----- -------- -------
ch40 Enabled 96.665 0 DIS Disb No No
ch41 Enabled 96.666 0 DIS Disb No No
ch42 Enabled 96.667 0 DIS Disb No No
ch43 Enabled 96.668 0 DIS Disb No No
ch44 Enabled 96.669 0 DIS Disb No No
ch45 Enabled 96.670 0 DIS Disb No No
ch46 Enabled 96.671 0 DIS Disb No No
ch47 Enabled 96.672 0 DIS Disb No No
ch48 Enabled 96.673 0 DIS Disb No No

show running-config :

!Current Configuration:
!System Description "PowerConnect 6224, 3.3.3.3, VxWorks 6.5"
!System Software Version 3.3.3.3
!Cut-through mode is configured as disabled
!
configure
vlan database
vlan 2-6
vlan routing 2 1
vlan routing 6 2
vlan routing 3 3
vlan routing 5 4
vlan routing 4 5
exit
snmp-server location "XXXX XXXX"
snmp-server contact "XXX XXXX"
hostname "SW-6224-STACK"
stack
member 1 1
member 2 1
exit
switch 1 priority 1
switch 2 priority 2
ip address 192.168.1.97 255.255.255.240
ip domain-name xxxx.fr
ip name-server 10.0.0.235
ip name-server 10.0.0.236
ip routing
ip route 0.0.0.0 0.0.0.0 192.168.1.114
interface vlan 2
name "Serveurs"
routing
ip address 10.0.0.1 255.255.255.0
exit
interface vlan 3
name "Utilisateurs"
routing
ip address 192.168.0.129 255.255.255.128
ip helper-address 10.0.0.235
exit
interface vlan 4
name "Imprimantes"
routing
ip address 192.168.1.1 255.255.255.224
exit
interface vlan 5
name "Informatique"
routing
ip address 192.168.1.33 255.255.255.224
ip helper-address 10.0.0.235
exit
interface vlan 6
name "CDR vers FW"
routing
ip address 192.168.1.113 255.255.255.252
exit
username "xxxxx" password xxxxxx level 15 encrypted
ip ssh server
!
interface ethernet 1/g1
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g2
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g3
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g4
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g5
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g6
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g7
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g8
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g9
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g10
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g11
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g12
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g13
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g14
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g15
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g16
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g17
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g18
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g19
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g20
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g21
channel-group 1 mode on
description 'Port trunk vers SW-2848-1'
exit
!
interface ethernet 1/g22
channel-group 2 mode on
description 'Port trunk vers SW-2848-2'
exit
!
interface ethernet 1/g23
channel-group 3 mode on
description 'Port untagged vers FW'
exit
!
interface ethernet 1/g24
channel-group 3 mode on
description 'Port untagged vers FW'
exit
!
interface ethernet 2/g1
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g2
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g3
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g4
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g5
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g6
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g7
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g8
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g9
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g10
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g11
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g12
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g13
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g14
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g15
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g16
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g17
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g18
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g19
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g20
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g21
channel-group 1 mode on
description 'Port trunk vers SW-2848-1'
exit
!
interface ethernet 2/g22
channel-group 2 mode on
description 'Port trunk vers SW-2848-2'
exit
!
interface ethernet 2/g23
channel-group 3 mode on
description 'Port untagged vers FW'
exit
!
interface ethernet 2/g24
channel-group 3 mode on
description 'Port untagged vers FW'
exit
!
interface port-channel 1
description 'Liaison SW-6224-STACK vers SW-2848-1'
spanning-tree cost 10000 <----------------------------------------- added automatically
spanning-tree mst 0 external-cost 20000 <--------------------- added automatically
switchport mode general
switchport general allowed vlan add 2-6 tagged
exit
!
interface port-channel 2
description 'Liaison SW-6224-STACK vers SW-2848-2'
spanning-tree mst 0 external-cost 10000 <---------------------- added automatically
switchport mode general
switchport general allowed vlan add 2-6 tagged
exit
!
interface port-channel 3
description 'Liaison SW-6224-STACK vers FW'
switchport access vlan 6
exit
exit

Another question :

Do I have to leave the "Hash Algorithm Type" on the LAG to 3 (Source IP and Source TCP / UDP Port) ?

Thanks for your help ;)
0 Kudos

Re: Default route on a stack of 6224

Have you tried setting the cost manually to conform to your specific needs?

Since you have the Stack of 6224 it is just three switches with no redundant paths and STP should not be blocking.  In your “Show Run” it does not show anything that is blocking.  CH1 is the Root and CH2 is Designated as the best path.  It is recommended to not disable STP, but does the problem go away if it is turned off?  You may need to think about creating a LAG between the two 2848 switches.  

spanning-tree cost

Use the spanning-tree cost command in Interface Configuration mode to

configure the spanning-tree path cost for a port. To return to the default port

path cost, use the no form of this command.

The command "spanning-tree mst 0 external-cost" on page 553 is used to set path

cost for rstp.

Syntax

spanning-tree cost cost

no spanning-tree cost

• cost — The port path cost. (Range: 0–200,000,000)

Default Configuration

The default cost is 0, which signifies that the cost is automatically calculated

based on port speed.

• 10G Port path cost — 2000

• Port Channel — 20,000

• 1000 mbps (giga) — 20,000

• 100 mbps — 200,000

• 10 mbps — 2,000,000

Command Mode

Interface Configuration (Ethernet, Port-Channel) mode

Example

The following example configures the spanning-tree cost on 1/g5 to 35000.

console(config)#interface ethernet 1/g5

console(config-if-1/g5)#spanning-tree cost 35000

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denis_fr
1 Nickel

Re: Default route on a stack of 6224

Hello Willy 😉

Thanks for your help.

You think I should connect my two PowerConnect 2848 together?


I put the default STP cost on my 2 LAG:

no spanning-tree cost

After saving all my configurations, I restarted all equipment (6224 and 2848).

Now if I do a "show spanning-stree" :

SW-6224-STACK#show ps  spanning-tree 
Spanning tree :Enabled - BPDU Flooding :Disabled - Portfast BPDU filtering :Disabled - mode :rstp
CST Regional Root: 80:00:D0:67:E5:7D:A3:FE
Regional Root Path Cost: 0
ROOT ID
Address D0:67:E5:7D:77:66
Path Cost 10000
Root Port ch1
Hello Time 2 Sec Max Age 20 sec Forward Delay 15 sec TxHoldCount 6 sec
Bridge ID
Priority 32768
Address D0:67:E5:7D:A3:FE
Hello Time 2 Sec Max Age 20 sec Forward Delay 15 sec
Interfaces

1/g1 Enabled 128.1 0 DIS Disb Yes No
1/g2 Enabled 128.2 0 DIS Disb Yes No
1/g3 Enabled 128.3 0 DIS Disb Yes No
1/g4 Enabled 128.4 0 DIS Disb Yes No
1/g5 Enabled 128.5 0 DIS Disb Yes No
1/g6 Enabled 128.6 0 DIS Disb Yes No
1/g7 Enabled 128.7 0 DIS Disb Yes No
1/g8 Enabled 128.8 0 DIS Disb Yes No
1/g9 Enabled 128.9 0 DIS Disb Yes No
1/g10 Enabled 128.10 0 DIS Disb Yes No
1/g11 Enabled 128.11 0 DIS Disb Yes No
1/g12 Enabled 128.12 0 DIS Disb Yes No
1/g13 Enabled 128.13 0 DIS Disb Yes No
1/g14 Enabled 128.14 0 DIS Disb Yes No
1/g15 Enabled 128.15 0 DIS Disb Yes No
1/g16 Enabled 128.16 0 DIS Disb Yes No
1/g17 Enabled 128.17 0 DIS Disb Yes No
1/g18 Enabled 128.18 0 DIS Disb Yes No
1/g19 Enabled 128.19 0 DIS Disb Yes No
1/g20 Enabled 128.20 0 DIS Disb Yes No
1/g21 Enabled 128.21 0 FWD Disb No No
1/g22 Enabled 128.22 0 FWD Disb No No
1/g23 Enabled 128.23 0 DIS Disb No No
1/g24 Enabled 128.24 0 DIS Disb No No
1/xg1 Enabled 128.25 0 DIS Disb No No
1/xg2 Enabled 128.26 0 DIS Disb No No
1/xg3 Enabled 128.27 0 DIS Disb No No
1/xg4 Enabled 128.28 0 DIS Disb No No
2/g1 Enabled 128.53 0 DIS Disb Yes No
2/g2 Enabled 128.54 0 DIS Disb Yes No
2/g3 Enabled 128.55 0 DIS Disb Yes No
2/g4 Enabled 128.56 0 DIS Disb Yes No
2/g5 Enabled 128.57 0 DIS Disb Yes No
2/g6 Enabled 128.58 0 DIS Disb Yes No
2/g7 Enabled 128.59 0 DIS Disb Yes No
2/g8 Enabled 128.60 0 DIS Disb Yes No
2/g9 Enabled 128.61 0 DIS Disb Yes No
2/g10 Enabled 128.62 0 DIS Disb Yes No
2/g11 Enabled 128.63 0 DIS Disb Yes No
2/g12 Enabled 128.64 0 DIS Disb Yes No
2/g13 Enabled 128.65 0 DIS Disb Yes No
2/g14 Enabled 128.66 0 DIS Disb Yes No
2/g15 Enabled 128.67 0 DIS Disb Yes No
2/g16 Enabled 128.68 0 DIS Disb Yes No
2/g17 Enabled 128.69 0 DIS Disb Yes No
2/g18 Enabled 128.70 0 DIS Disb Yes No
2/g19 Enabled 128.71 0 DIS Disb Yes No
2/g20 Enabled 128.72 0 DIS Disb Yes No
2/g21 Enabled 128.73 0 FWD Disb No No
2/g22 Enabled 128.74 0 FWD Disb No No
2/g23 Enabled 128.75 0 DIS Disb No No
2/g24 Enabled 128.76 0 DIS Disb No No
2/xg1 Enabled 128.77 0 DIS Disb No No
2/xg2 Enabled 128.78 0 DIS Disb No No
2/xg3 Enabled 128.79 0 DIS Disb No No
2/xg4 Enabled 128.80 0 DIS Disb No No
ch1 Enabled 96.626 10000 FWD Root No No
ch2 Enabled 96.627 10000 FWD Desg No No
ch3 Enabled 96.628 0 DIS Disb No No
ch4 Enabled 96.629 0 DIS Disb No No
ch5 Enabled 96.630 0 DIS Disb No No
ch6 Enabled 96.631 0 DIS Disb No No
ch7 Enabled 96.632 0 DIS Disb No No
ch8 Enabled 96.633 0 DIS Disb No No
ch9 Enabled 96.634 0 DIS Disb No No
ch10 Enabled 96.635 0 DIS Disb No No
ch11 Enabled 96.636 0 DIS Disb No No
ch12 Enabled 96.637 0 DIS Disb No No
ch13 Enabled 96.638 0 DIS Disb No No
ch14 Enabled 96.639 0 DIS Disb No No
ch15 Enabled 96.640 0 DIS Disb No No
ch16 Enabled 96.641 0 DIS Disb No No
ch17 Enabled 96.642 0 DIS Disb No No
ch18 Enabled 96.643 0 DIS Disb No No
ch19 Enabled 96.644 0 DIS Disb No No
ch20 Enabled 96.645 0 DIS Disb No No
ch21 Enabled 96.646 0 DIS Disb No No
ch22 Enabled 96.647 0 DIS Disb No No
ch23 Enabled 96.648 0 DIS Disb No No
ch24 Enabled 96.649 0 DIS Disb No No
ch25 Enabled 96.650 0 DIS Disb No No
ch26 Enabled 96.651 0 DIS Disb No No
ch27 Enabled 96.652 0 DIS Disb No No
ch28 Enabled 96.653 0 DIS Disb No No
ch29 Enabled 96.654 0 DIS Disb No No
ch30 Enabled 96.655 0 DIS Disb No No
ch31 Enabled 96.656 0 DIS Disb No No
ch32 Enabled 96.657 0 DIS Disb No No
ch33 Enabled 96.658 0 DIS Disb No No
ch34 Enabled 96.659 0 DIS Disb No No
ch35 Enabled 96.660 0 DIS Disb No No
ch36 Enabled 96.661 0 DIS Disb No No
ch37 Enabled 96.662 0 DIS Disb No No
ch38 Enabled 96.663 0 DIS Disb No No
ch39 Enabled 96.664 0 DIS Disb No No
ch40 Enabled 96.665 0 DIS Disb No No
ch41 Enabled 96.666 0 DIS Disb No No
ch42 Enabled 96.667 0 DIS Disb No No
ch43 Enabled 96.668 0 DIS Disb No No
ch44 Enabled 96.669 0 DIS Disb No No
ch45 Enabled 96.670 0 DIS Disb No No
ch46 Enabled 96.671 0 DIS Disb No No
ch47 Enabled 96.672 0 DIS Disb No No
ch48 Enabled 96.673 0 DIS Disb No No


Strangely my 2 LAG ch1 and ch2 have every 2 a cost of 10000 and not 20000 as you told me above.
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Re: Default route on a stack of 6224

Were you able to set the STP costs manually to see if there was any change?

Were you able to test turning off STP, and seeing what the outcome is?

It looks like the 6224 switches are at a current firmware level, what firmware level are the 2848 switches at?

Thanks

Daniel Covey
Dell EMC| Enterprise Support Services
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