VLAN trunking between a Powerconnect 6248 and a Cisco switch

Use static VLANs.  Cisco does not support GVRP on all its switches and nobody but Cisco supports VTP.

 

This should work:

 

6248:  

console(config)# vlan database

console(config-vlan)# vlan 10,20

console(config-vlan)# exit

 

console(config)# interface Ethernet 1/g1

console(config-if)# switchport access vlan 10

console(config-if)# exit

console(config)# interface Ethernet 1/g2

console(config-if)# switchport access vlan 20

console(config-if)# exit

 

console(config)# interface Ethernet 1/g48

console(config-if)# switchport mode general

console(config-if)# switchport general allowed vlan add 10,20 tagged

console(config-if)# switchport general pvid 4095

console(config-if)# exit

 

Cisco:

3750(config)# vtp mode transparent

 

3750(config)# interface GigabitEthernet 1/0/1

3750(config-if)# switchport access vlan 10

3750(config-if)# exit

 

3750(config)# interface GigabitEthernet 1/0/2

3750(config-if)# switchport access vlan 20

3750(config-if)# exit

 

3750(config)# interface GigabitEthernet 1/0/17

3750(config-if)# switchport mode trunk

3750(config-if)# switchport trunk allowed vlan 10, 20

3750(config-if)# switchport trunk encapsulation dot1q

3750(config-if)# exit

 

 

Hello, thx for the help but its still not working

 

Everything works except this line on the Cisco switch:

(config-if)# switchport trunk encapsulation dot1q

 

but when I type "show interfaces gi0/17 switchport", I get the following output, so I think the dotq1 protocol is ok.

Name: Gi0/17
Switchport: Enabled
Administrative Mode: trunk
Operational Mode: down (suspended member of bundle Po1) //no idea how I can get it up
Administrative Trunking Encapsulation: dot1q
Negotiation of Trunking: On
Access Mode VLAN: 1 (default)
Trunking Native Mode VLAN: 2 (davylan)
Voice VLAN: none
Administrative private-vlan host-association: none
Administrative private-vlan mapping: none
Administrative private-vlan trunk native VLAN: none
Administrative private-vlan trunk encapsulation: dot1q
Administrative private-vlan trunk normal VLANs: none
Administrative private-vlan trunk private VLANs: none
Operational private-vlan: none
Trunking VLANs Enabled: 2,3,20,22,24
Pruning VLANs Enabled: 2-1001
Capture Mode Disabled
Capture VLANs Allowed: ALL
Protected: false
Unknown unicast blocked: disabled
Unknown multicast blocked: disabled
Appliance trust: none
switch2#

 

PS: I changed from VLANs 10 and 20 to VLANs 2 and 3 on both switches

 

when I type "show vlan", I get the following output:

 

VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                          active    Gi0/3, Gi0/16, Gi0/17, Gi0/18, Gi0/19, Gi0/20
2    davylan                          active    Gi0/1
3    tomlan                           active    Gi0/2
1002 fddi-default                     act/unsup
1003 token-ring-default               act/unsup
1004 fddinet-default                  act/unsup
1005 trnet-default                    act/unsup

 

I have no idea what could be wrong.

 

Sincerely,

Dave

 

It looks like 0/17 is a member of port-channel 1.

 

Try this.  If it does not work, post the whole cisco config.

 

3750(config)# interface range GigabitEthernet 0/17

3750(config-if)# no channel-group 1

3750(config-if)# no shutdown

 

 

 

 

Hello, thx again for the help

The trunk is up now but I cannot ping from vlan2 on the dell switch to vlan 2 on the cisco switch and vice versa. I cant even ping from the dell switch to the cisco switch and vice versa.

I updated my drawing with the IP's - http://www.cryptex.be/trunk2.jpg

 

Here is the running-config from the cisco switch:

 

Current configuration : 5205 bytes
!
version 12.1
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname switch2
!
!
username xxxxxxxxxxxxxxxxxxxxxxxxxx
ip subnet-zero
!
vtp mode transparent
!
!
spanning-tree mode rapid-pvst
no spanning-tree optimize bpdu transmission
spanning-tree extend system-id
!
!
!
!
vlan 2
 name davylan
!
vlan 3
 name tomlan
!
interface Port-channel1
 switchport access vlan 2
 switchport trunk native vlan 2
 switchport trunk allowed vlan 2,20,22,24
 switchport mode trunk
!
interface GigabitEthernet0/1
 description blade1
 switchport access vlan 2
 switchport trunk native vlan 2
 switchport trunk allowed vlan 2-4094
 switchport mode access
 spanning-tree portfast trunk
 spanning-tree bpdufilter enable
!
interface GigabitEthernet0/2
 description blade2
 switchport access vlan 3
 switchport trunk native vlan 2
 switchport trunk allowed vlan 2-4094
 switchport mode access
 spanning-tree portfast trunk
 spanning-tree bpdufilter enable
!
interface GigabitEthernet0/3
 description blade3
 switchport trunk native vlan 2
 switchport trunk allowed vlan 2-4094
 switchport mode access
 shutdown
 spanning-tree portfast trunk
 spanning-tree bpdufilter enable
!
interface GigabitEthernet0/4
 description blade4
 switchport access vlan 2
 switchport trunk native vlan 2
 switchport trunk allowed vlan 2-4094
 switchport mode trunk
 spanning-tree portfast trunk
 spanning-tree bpdufilter enable
!
interface GigabitEthernet0/5
 description blade5
 switchport access vlan 20
 switchport trunk native vlan 2
 switchport trunk allowed vlan 2-4094
 switchport mode access
 spanning-tree portfast trunk
 spanning-tree bpdufilter enable
!
interface GigabitEthernet0/6
 description blade6
 switchport access vlan 20
 switchport trunk native vlan 2
 switchport trunk allowed vlan 2-4094
 switchport mode access
 spanning-tree portfast trunk
 spanning-tree bpdufilter enable
!
interface GigabitEthernet0/7
 description blade7
 switchport access vlan 20
 switchport trunk native vlan 2
 switchport trunk allowed vlan 2-4094
 switchport mode access
 spanning-tree portfast trunk
 spanning-tree bpdufilter enable
!
interface GigabitEthernet0/8
 description blade8
 switchport access vlan 20
 switchport trunk native vlan 2
 switchport trunk allowed vlan 2-4094
 switchport mode access
 spanning-tree portfast trunk
 spanning-tree bpdufilter enable
!
interface GigabitEthernet0/9
 description blade9
 switchport access vlan 22
 switchport trunk native vlan 2
 switchport trunk allowed vlan 2-4094
 switchport mode access
 spanning-tree portfast trunk
 spanning-tree bpdufilter enable
!
interface GigabitEthernet0/10
 description blade10
 switchport access vlan 2
 switchport trunk native vlan 2
 switchport trunk allowed vlan 2-4094
 switchport mode trunk
 spanning-tree portfast trunk
 spanning-tree bpdufilter enable
!
interface GigabitEthernet0/11
 description blade11
 switchport access vlan 24
 switchport trunk native vlan 2
 switchport trunk allowed vlan 2-4094
 switchport mode access
 spanning-tree portfast trunk
 spanning-tree bpdufilter enable
!
interface GigabitEthernet0/12
 description blade12
 switchport access vlan 2
 switchport trunk native vlan 2
 switchport trunk allowed vlan 2-4094
 switchport mode trunk
 spanning-tree portfast trunk
 spanning-tree bpdufilter enable
!
interface GigabitEthernet0/13
 description blade13
 switchport access vlan 2
 switchport trunk native vlan 2
 switchport trunk allowed vlan 2-4094
 switchport mode trunk
 spanning-tree portfast trunk
 spanning-tree bpdufilter enable
!
interface GigabitEthernet0/14
 description blade14
 switchport access vlan 2
 switchport trunk native vlan 2
 switchport trunk allowed vlan 2-4094
 switchport mode trunk
 spanning-tree portfast trunk
 spanning-tree bpdufilter enable
!
interface GigabitEthernet0/15
 description mgmt1
 switchport trunk allowed vlan 1
 switchport mode trunk
 switchport nonegotiate
 spanning-tree cost 100
!
interface GigabitEthernet0/16
 description mgmt2
 switchport trunk allowed vlan 1
 switchport mode trunk
 switchport nonegotiate
 spanning-tree cost 100
!
interface GigabitEthernet0/17
 description uplink
 switchport trunk native vlan 2
 switchport trunk allowed vlan 2,3,20,22,24
 switchport mode trunk
 duplex full
!
interface GigabitEthernet0/18
 description uplink
 switchport trunk native vlan 2
 switchport trunk allowed vlan 2,20,22,24
 switchport mode trunk
!
interface GigabitEthernet0/19
 description uplink
 switchport trunk native vlan 2
 switchport trunk allowed vlan 2,20,22,24
 switchport mode trunk
!
interface GigabitEthernet0/20
 description uplink
 switchport trunk native vlan 2
 switchport trunk allowed vlan 2,3
 switchport mode trunk
 duplex full
!
interface Vlan1
 ip address 10.7.35.22 255.255.255.0
 no ip route-cache
 management
!
interface Vlan2
 ip address 10.8.1.1 255.255.255.0
 no ip route-cache
!
interface Vlan3
 ip address 10.8.2.1 255.255.255.0
 no ip route-cache
!
ip default-gateway 10.7.35.1
ip http server
ip http authentication local
snmp-server community public RO
snmp-server community private RW
!
line con 0
line vty 0 4
 login local
line vty 5 15
 login local
!
!
end

 

Sincerely,

Dave

Nothing obvious here.

 

If you are tryning to ping the VLAN 2 and 3 interfaces on the 62xx, you have to enable routing.

 

Please post your complete 62xx config.

This is the running config of the dell 6248 switch:

 

davy#show running
!Current Configuration:
!System Description "Dell PowerConnect"
!System Software Version 1.0.0.27
!
configure
vlan database
vlan 2-3
exit
hostname "davy"
stack
member 1 2
exit
ip address 10.7.35.31 255.255.255.0
ip default-gateway 10.7.35.1
interface vlan 2
name "davylan"
exit
interface vlan 3
name "tomlan"
exit
username xxxx password xxxx level 15 encrypted

aaa authentication enable "enableList" line
line console
password xxxx encrypted
exit
line telnet
password xxxx encrypted
exit
!
interface ethernet 1/g1
switchport access vlan 2
exit
!
interface ethernet 1/g2
switchport access vlan 2
exit
!
interface ethernet 1/g3
switchport access vlan 2
exit
!
interface ethernet 1/g4
switchport access vlan 2
exit
!
interface ethernet 1/g5
switchport access vlan 2
exit
!
interface ethernet 1/g6
switchport access vlan 2
exit
!
interface ethernet 1/g7
switchport access vlan 3
exit
!
interface ethernet 1/g8
switchport access vlan 3
exit
!
interface ethernet 1/g9
switchport access vlan 3
exit
!
interface ethernet 1/g10
switchport access vlan 3
exit
!
interface ethernet 1/g11
switchport access vlan 3
exit
!
interface ethernet 1/g12
switchport access vlan 3
exit
!
interface ethernet 1/g48
switchport mode general
switchport general pvid 4095
no switchport general acceptable-frame-type tagged-only
switchport general allowed vlan add 2 tagged
switchport general allowed vlan add 3 tagged
exit

Sincerely,

Dave

post output of Cisco "show vlan"  please.

Cisco port 0/17 should be:

 description uplink
 switchport trunk encapsulation dot1q
 switchport trunk native vlan 2
 switchport trunk allowed vlan 2,3,20,22,24
 switchport mode trunk
 duplex full

 

PowerConnect port 1/g48 should be:

switchport mode general
switchport general pvid 2
no switchport general acceptable-frame-type tagged-only
switchport general allowed vlan add 2 tagged
switchport general allowed vlan add 3 tagged

Hello

 

I fixed it the problem (well technically i didnt fix it :)).

I just installed another blade server and everything worked fine on that one.

So config was ok, it was just the NIC on bladeserver 1 who was giving me troubs, grrr

 

But I really want to thank you, bh1633 for helping me out here

 

Sincerely,

Dave