Question

How to configure Dell 5424 and 6224 to get vlan 2 working

Asked by: oratek

Hi Guys,

I have an issue between a Dell 6224 and a Dell 5424 which are trunked. The switches are connected together via port 1/g1 on the 6224 and port g1 on the 5424.
The configs are listed below for each switch.
The Dell 6224 has had the management vlan moved from vlan 1 to allow routing on vlan 1 to fit into the existing flat network of Dell switches once the config is correct.
(For those that don't know, and I cannot tell you why, the management vlan on a Dell 6224 switch is not routable).

The vlans are configure as
vlan 1 192.168.0.0/19 ip address 192.168.0.11
vlan 2 10.0.0.0/30 ip address 10.0.0.1
I have a test desktop on 10.0.0.2 with gw 10.0.0.1
Dell 5424 ip address 192.168.9.70

Port 1/g2 on the 6224 is configured in Access mode vlan 2 and the desktop when connected to this port can ping all ip addresses for all other vlans. The switches from console can ping the desktop on 10.0.0.2.

Port G3 on the 5424 is configured in access mode vlan 2 and when the desktop is connected to this port, it cannot ping any other address.
From the console on the 5424 I can ping 10.0.0.1 but not 10.0.0.2, neither can the 6224 ping 10.0.0.2. I have checked the netmask on the desktop and check it's gateway which is set to 10.0.0.1. But it will not work.

Any suggestions?

6224 config
!Current Configuration:
!System Description "Powerconnect 6224, 3.0.0.8, VxWorks 6.5"
!System Software Version 3.0.0.8
!
configure
vlan database
vlan  2,100-105,110-113,150,4093
exit
hostname "DRN_6224_01_01"
sntp server 203.82.209.217
sntp server 203.19.252.4
stack
member 1 1
exit
ip address 10.0.0.9 255.255.255.252
ip address vlan 4093
ip name-server 192.168.1.108
ip name-server 192.168.1.149
no logging console
no logging buffered
 
 
ip routing
ip route 0.0.0.0 0.0.0.0 192.168.1.58
interface vlan 1
routing
ip address  192.168.0.11  255.255.224.0
exit
interface vlan 2
name "V_Chairo_DRN_PAK"
routing
ip address  10.0.0.1  255.255.255.252
exit
interface vlan 100
name "V_drn_servers"
routing
ip address  10.1.0.1  255.255.252.0
exit
interface vlan 101
name "V_drn_junior_school"
routing
ip address  10.1.4.1  255.255.252.0
exit
 
interface vlan 102
name "V_drn_middle_school"
routing
ip address  10.1.8.1  255.255.252.0
exit
interface vlan 103
name "V_drn_senior_school"
routing
ip address  10.1.12.1  255.255.252.0
exit
interface vlan 104
name "V_drn_library"
routing
ip address  10.1.16.1  255.255.252.0
exit
interface vlan 105
name "V_drn_it"
routing
ip address  10.1.20.1  255.255.252.0
exit
interface vlan 110
name "V_drn_printers"
routing
ip address  10.1.40.1  255.255.252.0
exit
interface vlan 111
name "V_drn_wireless_data"
routing
ip address  10.1.44.1  255.255.252.0
exit
interface vlan 112
name "V_drn_wireless_mgmt"
routing
ip address  10.1.48.1  255.255.252.0
exit
interface vlan 113
name "V_drn_management"
routing
ip address  10.1.52.1  255.255.252.0
exit
interface vlan 150
name "Bogus Management VLAN"
 
 
exit
username "admin" password xxxxxxxxxxxxxxxxxxxxxxxxxxx level 15 encrypted
bridge aging-time 301
!
interface ethernet 1/g1
description 'Uplink to TEST_5425_01'
switchport mode general
switchport general allowed vlan add 2,100-105,110-113,150
exit
!
interface ethernet 1/g2
description 'Test Desktop'
spanning-tree portfast
spanning-tree guard root
switchport access vlan 2
exit
!
interface ethernet 1/g19
description 'Uplink to School Network'
 
exit
 
****************************5424 config**********************************
interface range ethernet g(3,5)
spanning-tree portfast
exit
interface range ethernet g(3,5)
spanning-tree guard root
exit
interface ethernet g1
switchport mode general
exit
vlan database
vlan 2,100-105,110-113,150
exit
interface range ethernet g(3,5)
switchport access vlan 2
exit
interface ethernet g1
switchport general allowed vlan add 2
exit
interface ethernet g1
switchport general allowed vlan add 100
exit
interface ethernet g1
switchport general allowed vlan add 101
exit
interface ethernet g1
switchport general allowed vlan add 102
exit
interface ethernet g1
switchport general allowed vlan add 103
exit
interface ethernet g1
switchport general allowed vlan add 104
exit
interface ethernet g1
switchport general allowed vlan add 105
exit
interface ethernet g1
switchport general allowed vlan add 110
exit
interface ethernet g1
switchport general allowed vlan add 111
exit
interface ethernet g1
switchport general allowed vlan add 112
exit
interface ethernet g1
switchport general allowed vlan add 113
exit
interface ethernet g1
switchport general allowed vlan add 150
exit
interface vlan 2
name V_Chairo_DRN_PAK
exit
interface vlan 100
name V_drn_servers
exit
interface vlan 101
name V_drn_junior_school
exit
interface vlan 102
name V_drn_middle_school
exit
interface vlan 103
name V_drn_senior_school
exit
interface vlan 104
name V_drn_library
exit
interface vlan 105
name V_drn_it
exit
interface vlan 110
name V_drn_printers
exit
interface vlan 111
name V_drn_wireless_data
exit
interface vlan 112
name V_drn_wireless_mgmt
exit
interface vlan 113
name V_drn_management
exit
interface vlan 150
name "Bogus Management VLAN"
exit
voice vlan oui-table add 0001e3 Siemens_AG_phone________
voice vlan oui-table add 00036b Cisco_phone_____________
voice vlan oui-table add 00096e Avaya___________________
voice vlan oui-table add 000fe2 H3C_Aolynk______________
voice vlan oui-table add 0060b9 Philips_and_NEC_AG_phone
voice vlan oui-table add 00d01e Pingtel_phone___________
voice vlan oui-table add 00e075 Polycom/Veritel_phone___
voice vlan oui-table add 00e0bb 3Com_phone______________
iscsi target port 860 address 0.0.0.0
iscsi target port 3260 address 0.0.0.0
interface vlan 1
ip address 192.168.9.70 255.255.224.0
exit
ip default-gateway 192.168.0.11
hostname TEST_5424_01
username admin password xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx level 15 encrypted

                                  
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Asked On
2009-09-01 at 07:21:00ID24698024
Tags

Dell 5424 6224 vlans stp

Topics

Network Design & Methodology

,

Network Switches & Hubs

Participating Experts
1
Points
500
Comments
7

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Answers

 

by: giltjrPosted on 2009-09-02 at 04:48:04ID: 25239922

I have not used Dell switches, but the 5424 configuration looks a bit weird to me.

There are multiple switchport allowed statements for port g1.  Shouldn't there be one that states all of the VLAN's that are allowed?

Is there a "show" or "display" command on the 5424 that shows you what VLAN's are active on each interface?

 

by: giltjrPosted on 2009-09-02 at 05:56:00ID: 25240457

I generally used Cisco switches and for ports that carrier traffic for multiple VLAN's we configure them as trunks.  I don't know what the difference between a "general" and "trunk" is on a Dell switch.  So on a dell switch, what is the difference between "general" and "trunk"?

From what doc I have found on the 5424 I think you want:

interface ethernet g1
switchport general allowed vlan add 2,100-105,110-113,150 tagged
exit

And you need to make the appropriate changes on the 6224 to make sure the traffic is tagged as to which VLAN it belongs to.

 

by: oratekPosted on 2009-09-02 at 18:43:19ID: 25247259

Hi Giltjr,

Thanks for your comments. Indeed the 5424 seems to list the config on a per statement arrangement rather than a per port arrangement.
The command I used to add lans to g1 was exactly as you have shown, although without the tagged statement as this is the default and not shown in the config (and that's even if you typed tagged on the end as defaults are not shown in the config).

The difference as far as I can tell between a trunk and a general port on a Dell switch is that for Dell the trunk is not dot1q enabled and cannot be, whereas the general port is dot1q.

What did you mean by "And you need to make the appropriate changes on the 6224 to make sure the traffic is tagged as to which VLAN it belongs to" ?

 

by: giltjrPosted on 2009-09-02 at 19:01:20ID: 25247325

I assumed that since there was no "tagged" on the configuration statements that somehow the 5424 was doing trunking without tagging the frames.  So I also assumed the 6224 was also not tagging the frames.  But based on your comments even though the configuration does not show "tagged", that is the default for a "trunk" (either in general or trunk mode) port.

So you can ignore everything I said earlier.

Does the Dell switches have a display/show command that shows you what VLANs are really active on a port?  I'm going to look at the 5424 manual some more.

 

by: oratekPosted on 2009-09-02 at 20:45:34ID: 25247716

show vlan on the 6224 gives
DRN_6224_01_01#show vlan

VLAN       Name                         Ports          Type      Authorization
-----  ---------------                  -------------  -----     -------------
1      Default                          ch1-48,1/g1,   Default   Required
                                        1/g3-1/xg4
2      V_Chairo_DRN_PAK                 1/g1-1/g2      Static    Required
100    V_drn_servers                    1/g1           Static    Required
101    V_drn_junior_school              1/g1           Static    Required
102    V_drn_middle_school              1/g1           Static    Required
103    V_drn_senior_school              1/g1           Static    Required
104    V_drn_library                    1/g1           Static    Required
105    V_drn_it                         1/g1           Static    Required
110    V_drn_printers                   1/g1           Static    Required
111    V_drn_wireless_data              1/g1           Static    Required
112    V_drn_wireless_mgmt              1/g1           Static    Required
113    V_drn_management                 1/g1           Static    Required
150    Bogus Management VLAN            1/g1           Static    Required
4093                                                   Static    Required

and show vlan on the 5424 shows
Vlan       Name                   Ports                Type     Authorization
---- ----------------- --------------------------- ------------ -------------
 1           1            g(1-2,4,6-24),ch(1-8)       other       Required
 2   V_Chairo_DRN_PAK           g(1,3,5)            permanent     Required
100    V_drn_servers               g1               permanent     Required
101  V_drn_junior_school           g1               permanent     Required
102  V_drn_middle_school             g1               permanent     Required
103  V_drn_senior_school           g1               permanent     Required
104    V_drn_library               g1               permanent     Required
105      V_drn_it                  g1               permanent     Required
110   V_drn_printers               g1               permanent     Required
111  V_drn_wireless_dats           g1               permanent     Required
112  V_drn_wireless_mgmt             g1               permanent     Required
113  V_drn_management              g1               permanent     Required
150  Bogus Management VLAN         g1               permanent     Required

 

by: oratekPosted on 2009-09-06 at 17:26:05ID: 31623024

The Dell 6224 did not have the vlans tagged at egress even though this is supposed to be the default. Perhaps it has something to do with the moving of the default vlan we performed earlier, but once I removed and added the vlans as tagged, all went well. Thanks for your help.

 

by: oratekPosted on 2009-09-06 at 17:33:49ID: 25272165

The solution to this issue was simple in the end.
The Dell 6224 had assigned all vlans on 1/g1 with the egress rule untagged even though tagged is the default for the command.
Used switchport general allowed vlans add 2,103-105,110-113,150 tagged.
Once rectified, the desktop on the 5424 switch was pingable.
Thanks.

20120131-EE-VQP-002

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