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pigbite
Occasional Contributor

‎04-22-2015 01:00 PM

‎04-22-2015 01:00 PM

HP V1910 VLAN Configuration & Routing

Hi, I have inherited an AV project with a network with a mix of switches of various types including a couple of HP V1910 JE005A 16P units.

 

I would like to set up some VLANS on the units.  At the moment the LAN has 2 subnets assigned for products on the AV system, 192.168.22.x and 23.x, with a subnet mask of 255.255.252.0.

 

I have been told that there are no other subnets at this level available for the kit.

 

I am wondering if it is possible to set up some VLANS using lower level class c subnets - for example 255.255.255.240.  This would give me a range of 16 devices (including the LAN id and broadcast address).

 

I have tried this on one of the units but had limited success, as follows:

 

I set the switch up with it's main IP as 192.168.23.1/255.255.252.0.

 

It routes to 192.168.20.1/255.255.252.0 for internet access.

 

I set up a 0.0.0.0 static route.  With a laptop with and IP/subnet/GW of 192.168.23.140/255.255.252.0/192.168.23.1 I could see devices on the switch and the internet.

 

I set up  a VLAN (ID 113) with ports 1 & 14 as tagged ports.  This makes them hybrid as they still are in VLAN 1

 

I setup a VLAN interface with the following info: 192.168.23.133/255.255.255.240

 

I can ping 192.168.23.1 no problem from a device with IP address 192.168.23.148/255.255.252.0.  Pinging 192.168.23.113 fails.

 

If I then make ports 1 & 14 as in VLAN 113 only (take them out of VLAN1) and  tf I have two devices, IP addresses 192.168.23.114 & 115, both with 192.168.23.113 and 255.255.255.240 gateways and masks they can ping 192.168.23.1 OK but cannot see each other or ping 192.168.23.113.

 

My routing table looks like this:

 

0.0.0.0 0.0.0.0 Static 60 192.168.20.1 Vlan-interface1
127.0.0.0 255.0.0.0 Direct 0 127.0.0.1 InLoopBack0
127.0.0.1 255.255.255.255 Direct 0 127.0.0.1 InLoopBack0
192.168.20.0 255.255.252.0 Direct 0 192.168.23.1 Vlan-interface1
192.168.23.1 255.255.255.255 Direct 0 127.0.0.1 InLoopBack0
192.168.23.112 255.255.255.240 Direct 0 192.168.23.113 Vlan-interface113
192.168.23.113 255.255.255.255 Direct 0 127.0.0.1 InLoopBack0

 

I am fairly new to VLANS etc. so flying by the seat of my pants a bit.

 

Any advice would be most appreciated.

 

 Many thanks in advance,

 

jez

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