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Author Topic: VLANs on 3524GT  (Read 289 times)

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Offline cdrasmu

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VLANs on 3524GT
« on: October 05, 2018, 03:12:11 PM »
Hello, i am new to vlans.
I got a Avaya 3524GT and wanted to create 6 vlans.

VLAN1 with Servers and PFSENSE router which has a DHCP server and gives internet to all the PCs.
and say one VLAN for each floor.
VLAN2, VLAN3, ETC

I want every floor to get a DHCP IP, and that they cannot sea between each floor.
I followed the Mcnamaras VLANs and IP Routing on an Ethernet Routing Switch but could not get it to work.

Thank you
« Last Edit: October 05, 2018, 03:40:04 PM by cdrasmu »


Offline pat2012

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Re: VLANs on 3524GT
« Reply #1 on: October 09, 2018, 07:47:53 AM »
Hello.

Can you post your configuration?

Your requirements that you get DHCP IP from VLAN1 but the other floors cannot see each other may be in conflict.

To get DHCP to other VLANs you would require IP forwarding (routing) and DHCP Relay.  Since all VLANs are on the same box, you may have to do some Access List magic to fulfill the requirement that each floor does not see the other.

Offline cdrasmu

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Re: VLANs on 3524GT
« Reply #2 on: October 09, 2018, 02:42:41 PM »
Hello, maybe I explaine dmyslf incorrectly.
Every floor can see VLAN1 (which has the servers)
But every floor cannot see the other ones.

A config I tried is this one:

en
conf t

vlan configcontrol flexible
vlan create 2 name SERVERS type port
interface vlan 2
ip address 192.168.2.254 255.255.255.0
vlan members add 2 3
vlan members add 2 4

vlan create 10 name RED10 type port
interface vlan 10
ip address 192.168.10.254 255.255.255.0
vlan members add 10 5
vlan members add 10 6

vlan create 20 name RED20 type port
interface vlan 20
ip address 192.168.20.254 255.255.255.0
vlan members add 20 7
vlan members add 20 8
vlan members remove 1 3-8      
ip routing         

interface vlan 2   
ip dhcp-relay
interface vlan 10
ip dhcp-relay
interface vlan 20
ip dhcp-relay
exit
ip dhcp-relay fwd-path 192.168.10.254 192.168.2.3 enable
ip dhcp-relay fwd-path 192.168.20.254 192.168.2.3 enable

Offline MatzeKS

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    • matzeks
    • Controlware GmbH - Germany
Re: VLANs on 3524GT
« Reply #3 on: October 10, 2018, 02:26:09 AM »
Mmmh, I guess Vlan 1 has no port-members and please keep in mind that L3-Interfaces became active once minimum one single port gets active.

I assume that you did not remove Vlan 1 of any port, so your port-vlan-id (PVID) is still 1 (one)

So please try this:

conf t

vlan members 1 NONE

vlan ports 3-4 pvid 2
vlan ports 5-6 pvid 10
vlan ports 7-8 pvid 20
end

# Good luck
------------------------------------------------------
ACE-Fx #00050

Offline pat2012

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Re: VLANs on 3524GT
« Reply #4 on: October 10, 2018, 08:49:35 AM »
Looks like he did remove the ports from VLAN1.

vlan members remove 1 3-8

But with the configcontrol being flexible, the PVID would not have changed from the default of 1 as MatzeKS said.

Use show vlan interface info to check/verify the PVIDs of the ports after using the commands MatzeKS stated in his reply.

Offline cdrasmu

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Re: VLANs on 3524GT
« Reply #5 on: October 10, 2018, 02:04:20 PM »
This is what I get


3524GT(config)# show vlan interface info
      Filter     Filter
     Untagged Unregistered
Port  Frames     Frames    PVID PRI    Tagging    Name
---- -------- ------------ ---- --- ------------- ----------------
1    No       Yes          1    0   UntagAll      Port 1
2    No       Yes          1    0   UntagAll      Port 2
3    No       Yes          2    0   UntagAll      Port 3
4    No       Yes          2    0   UntagAll      Port 4
5    No       Yes          10   0   UntagAll      Port 5
6    No       Yes          10   0   UntagAll      Port 6
7    No       Yes          20   0   UntagAll      Port 7
8    No       Yes          20   0   UntagAll      Port 8
9    No       Yes          1    0   UntagAll      Port 9
10   No       Yes          1    0   UntagAll      Port 10
11   No       Yes          1    0   UntagAll      Port 11
12   No       Yes          1    0   UntagAll      Port 12
13   No       Yes          1    0   UntagAll      Port 13
14   No       Yes          1    0   UntagAll      Port 14
15   No       Yes          1    0   UntagAll      Port 15
16   No       Yes          1    0   UntagAll      Port 16
17   No       Yes          1    0   UntagAll      Port 17
18   No       Yes          1    0   UntagAll      Port 18
19   No       Yes          1    0   UntagAll      Port 19
20   No       Yes          1    0   UntagAll      Port 20
21   No       Yes          1    0   UntagAll      Port 21
22   No       Yes          1    0   UntagAll      Port 22
23   No       Yes          1    0   UntagAll      Port 23
24   No       Yes          1    0   UntagAll      Port 24
25   No       Yes          1    0   UntagAll      Port 25
26   No       Yes          1    0   UntagAll      Port 26
3524GT(config)#

Offline cdrasmu

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Re: VLANs on 3524GT
« Reply #6 on: October 10, 2018, 04:53:28 PM »
I also added global ip routing comand.
I can ping the gateway 192.168.10.254 but not the proxy/dhcp 192.168.2.2
Obviously, I do not get a DHCP address. I did this test with a manual IP address.

Thanks