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September 13th, 2011 09:00

dynamic addresse table issue with powerconnect 5548 and multiple vlan

Hi,

We've 4 powerconnect 5548 stacking together with hdmi link.

On this stack, we have set multiple vlan (with different subnet). Each vlan is pulinked with a external switch or router/gateway.

Our problem is that each vlan unicast is flooded over all port of the same vlan (it don't cross the vlan).

It's appear that the dynamic address table is not populated with external mac/ip

We don't use STP, not doing inter vlan routing and i think we don't have asymmetric route.

here's the running config:

no spanning-tree
vlan database
vlan 11-14,21-25,101-112,114-122,200-204
exit
voice vlan oui-table add 000181 Nortel__________________
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 001049 Shoretel________________
voice vlan oui-table add 0060b9 Philips_and_NEC_AG_phone
voice vlan oui-table add 00907a 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
iscsi target port 9876 address 0.0.0.0
iscsi target port 20002 address 0.0.0.0
iscsi target port 20003 address 0.0.0.0
iscsi target port 25555 address 0.0.0.0
arp timeout 300
logging host 172.22.1.27 port 20514 facility local0 description "syslog sur monitor-1"
username admin password encrypted 28da6c1b29a1cd21559c85b0f5c7e052269bb733 privilege 15
snmp-server engineID local 800002a2035c260aa486b1
snmp-server community pub1 ro view Default
clock timezone GMT 1
clock summer-time GMT recurring eu
clock source sntp
sntp unicast client enable
sntp unicast client poll
sntp server 172.22.1.20 poll
!
interface vlan 1
 ip address 192.168.50.50 255.255.255.0
!
interface vlan 11
 name FBX0-interface1
!
interface vlan 12
 name FBX0-interface2
!
interface vlan 13
 name FBX0-interface3
!
interface vlan 14
 name FBX0-interface4
!
interface vlan 21
 name lan-interne
 ip address 172.21.2.5 255.255.0.0
!
interface vlan 22
 name DMZ
!
interface vlan 23
 name lan-client
!
interface vlan 24
 name data-rc
!
interface vlan 25
 name SAUVEGARDE
!
interface vlan 101
 name A33
!
interface vlan 102
 name P13
!
interface vlan 103
 name P200
!
interface vlan 104
 name ESS
!
interface vlan 105
 name ITI
!
interface vlan 106
 name I85
!
interface vlan 107
 name IPE
!
interface vlan 108
 name FEIL
!
interface vlan 109
 name R63
!
interface vlan 110
 name EM
!
interface vlan 111
 name CFA_NORMANDIE
!
interface vlan 112
 name CR
!
interface vlan 114
 name DIERES
!
interface vlan 115
 name ILLE
!
interface vlan 116
 name IS
!
interface vlan 117
 name OSCO
!
interface vlan 118
 name P_FC
!
interface vlan 119
 name YMAG
!
interface vlan 120
 name ERGNE
!
interface vlan 121
 name FRIA
!
interface vlan 122
 name GOGNE
!
interface vlan 200
 name voip
!
interface vlan 201
 name ECA
!
interface vlan 202
 name REC
!
interface vlan 203
 name RIAT
!
interface vlan 204
 name DOMOTIQUE
!
interface gigabitethernet1/0/1
 switchport general allowed vlan add 21-22 tagged
 switchport general allowed vlan add 23 untagged
 switchport access vlan 13
!
interface gigabitethernet1/0/2
 switchport access vlan 13
!
interface gigabitethernet1/0/3
 switchport access vlan 22
!
interface gigabitethernet1/0/4
 switchport access vlan 12
!
interface gigabitethernet1/0/5
 switchport access vlan 115
!
interface gigabitethernet1/0/6
 switchport access vlan 115
!
interface gigabitethernet1/0/7
 switchport access vlan 112
!
interface gigabitethernet1/0/8
 switchport access vlan 21
!
interface gigabitethernet1/0/9
 switchport access vlan 24
!
interface gigabitethernet1/0/10
 switchport access vlan 13
!
interface gigabitethernet1/0/11
 switchport access vlan 25
!
interface gigabitethernet1/0/12
 switchport access vlan 102
!
interface gigabitethernet1/0/13
 switchport access vlan 102
!
interface gigabitethernet1/0/14
 switchport access vlan 119
!
interface gigabitethernet1/0/15
 switchport access vlan 121
!
interface gigabitethernet1/0/16
 switchport access vlan 110
!
interface gigabitethernet1/0/17
 switchport access vlan 111
!
interface gigabitethernet1/0/18
 switchport access vlan 114
!
interface gigabitethernet1/0/19
 switchport access vlan 114
!
interface gigabitethernet1/0/20
 switchport access vlan 117
!
interface gigabitethernet1/0/21
 switchport access vlan 120
!
interface gigabitethernet1/0/22
 switchport access vlan 120
!
interface gigabitethernet1/0/23
 switchport access vlan 116
!
interface gigabitethernet1/0/24
 switchport access vlan 116
!
interface gigabitethernet1/0/25
 switchport access vlan 101
!
interface gigabitethernet1/0/26
 switchport access vlan 101
!
interface gigabitethernet1/0/27
 switchport access vlan 107
!
interface gigabitethernet1/0/28
 switchport access vlan 107
!
interface gigabitethernet1/0/29
 switchport access vlan 122
!
interface gigabitethernet1/0/30
 switchport access vlan 103
!
interface gigabitethernet1/0/31
 switchport access vlan 103
!
interface gigabitethernet1/0/32
 switchport access vlan 109
!
interface gigabitethernet1/0/33
 switchport access vlan 24
!
interface gigabitethernet1/0/34
 switchport access vlan 22
!
interface gigabitethernet1/0/35
 switchport access vlan 22
!
interface gigabitethernet1/0/36
 switchport access vlan 22
!
interface gigabitethernet1/0/37
 switchport access vlan 11
!
interface gigabitethernet1/0/38
 switchport access vlan 12
!
interface gigabitethernet1/0/39
 switchport access vlan 13
!
interface gigabitethernet1/0/40
 switchport access vlan 14
!
interface gigabitethernet1/0/41
 switchport access vlan 21
!
interface gigabitethernet1/0/42
 switchport access vlan 22
!
interface gigabitethernet1/0/43
 switchport access vlan 23
!
interface gigabitethernet1/0/44
 switchport access vlan 24
!
interface gigabitethernet1/0/45
 switchport mode trunk
 switchport trunk native vlan none
 switchport trunk allowed vlan remove 1-100,123-4094
!
interface gigabitethernet1/0/46
 switchport access vlan 25
!
interface gigabitethernet1/0/48
 switchport access vlan 21
!
interface gigabitethernet2/0/1
 switchport access vlan 22
!
interface gigabitethernet2/0/2
 switchport access vlan 22
!
interface gigabitethernet2/0/3
 switchport access vlan 22
!
interface gigabitethernet2/0/4
 switchport access vlan 22
!
interface gigabitethernet2/0/5
 switchport access vlan 24
!
interface gigabitethernet2/0/6
 switchport access vlan 22
!
interface gigabitethernet2/0/7
 switchport access vlan 24
!
interface gigabitethernet2/0/8
 switchport access vlan 22
!
interface gigabitethernet2/0/9
 switchport access vlan 23
!
interface gigabitethernet2/0/10
 switchport access vlan 24
!
ip route 0.0.0.0 0.0.0.0 172.21.254.254  

the result of "show mac address-table":

console# show mac address-table
Aging time is 300 sec

  Vlan        Mac Address         Port       Type
-------- --------------------- ---------- --------
   1       5c:26:0a:a4:86:b1       0         self
   21      00:14:22:58:a1:ff    gi1/0/41   dynamic
   21      00:1c:23:80:4b:d4    gi1/0/41   dynamic
   21      64:a7:69:fd:5b:5b    gi1/0/41   dynamic
   22      00:11:43:5a:6f:ca    gi2/0/4    dynamic
   22      00:11:43:e4:13:49    gi1/0/36   dynamic
   22      00:13:72:fc:35:c5    gi2/0/2    dynamic
   22      00:13:72:fc:35:f1    gi2/0/3    dynamic
   22      00:19:b9:ed:05:46    gi2/0/8    dynamic
   22      00:1d:09:10:d1:4d    gi2/0/6    dynamic
   22      00:25:90:2b:b3:e4    gi1/0/35   dynamic
   22      00:25:90:2b:ec:28    gi1/0/35   dynamic
   22      00:25:90:32:3d:e6    gi1/0/34   dynamic
   22      00:25:90:3d:96:3e    gi1/0/34   dynamic
   22      52:54:00:44:1c:ab    gi1/0/35   dynamic
   22      52:54:00:fc:52:45    gi1/0/35   dynamic
   23      00:1d:09:6c:95:78    gi2/0/9    dynamic
   24      00:19:b9:eb:2d:b3    gi2/0/7    dynamic
   24      00:1d:09:68:4c:30    gi2/0/5    dynamic

Thanks for your help

2 Posts

October 13th, 2011 07:00

We have the same issue. bounce.

3 Posts

October 13th, 2011 08:00

Dell support have proceed the remplacement of the master-unit.

Since the issue hasn't come back.

But i don't know if it is due to the exchange or the reboot and rebuild of the entire stack ....

Have you try to switch the master unit from unit1 to unit2 ? Or to reboot the stack ?

3 Posts

October 13th, 2011 08:00

We have plug server on this stack step by step (in a period of 1or 2 months). So we don't see immediatly this issue.

For information, i have an another issue with the stack, the traffic is slow except for the server connect on the unit1. I think this is due to the hdmi cable (poor quality and i wonder if it is not hdmi 1.4). I'm waiting for hdmi 1.3a certified cable.

I don't know if the two issue is related ? Maybe a bad hdmi stack cable can corrupt the adress table ....

2 Posts

October 13th, 2011 08:00

stack has been running fine for over a month, when they were initially set up.

909 Posts

October 13th, 2011 08:00

Did this happen immediately or has the switch been performing well for some time and then this issue occured?

909 Posts

October 13th, 2011 08:00

Please provide output of "show system".

Only Dell HDMI cables are tested, so other cables from electronics stores may not work well.

909 Posts

October 13th, 2011 08:00

What is the sysuptime?  I think the command "show system" will display this.   Is sysuptime what you expect given that the stack has been running for over a month?

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