troubleshooting Question

Creating 2x vlans on a /16 subnet?

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CHI-LTDFlag for United Kingdom of Great Britain and Northern Ireland asked on
RoutersNetworkingSwitches / Hubs
96 Comments1 Solution703 ViewsLast Modified:
Trying to create 2x vlans on an hp  2910al poe switch.
vlan01 - left as default but for ports1-12 only
vlan20 - new, and for voip phones only, ports 13-48

We plan to have the vlan01 ports connected to other data switches on vlan01 and have servers connected into these ports also.
The phones & phone system will be connected into the vlan20.  This vlan will also be going to a dedicated lan port tagged to vlan20 on our cisco firewall to prioritise traffic (not being configured by us).

The switch will be on a 172.19.4.5 IP /16 subnet so all other kit on the lan can communicate i.e. dhcp servers etc on vlan01.
The main problem i seem to be facing is the ability to manage the switch on this IP when connecting through vlan20.

Can this be done?

current config:
Running configuration:

; J9148A Configuration Editor; Created on release #W.14.38

hostname "ProCurve 2910al-48G-PoE Switch"
module 1 type J9148A
ip default-gateway 172.19.10.15
vlan 1
   name "DEFAULT_VLAN"
   untagged 1-48
   ip address 172.19.4.5 255.255.0.0
   exit
vlan 20
   name "Voice"
   no ip address
   exit
snmp-server community "public" unrestricted
snmp-server contact "IT"
no autorun
password manager
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