Multiple switch vlan routing, almost there!

Question

Hello,
I'm hoping this is a blatantly obvious issue, but we all know how late night thinking tends to be fairly foggy!
Anyway, I have 3 3400cl HP switches and a 2610 Poe switch.  One of the 3400's is acting as the core, with the other 3 switches lacp trunked into it.
Currently trying to get vlan 40 traffic properly routed for internet access.  This is a leap into vlan configs, so the existing domain traffic is still on vlan 1 (yes I know, not ideal).
The config so far successfully allows clients on vlan 40 to receive DHCP addresses via the ip helper, but no access to internet sites.  I can resolve a dns address just can't see any hopes beyond the vlan 40 IP.
Two other points if anyone wishes to comment:
The HP 2610 is slotted to be replaced with a Cisco 3750 Poe switch. Any comments and making cisco and HP play nicely together?
And second, if anyone wants to suggest best practice words of wisdom for migrating existing services into a more detailed vlan setup, please type away!
Here is the config:  The 'lower' named switch will mirror the 3rd 3400 so I didn't see the need to include that one.
hostname "NHB-Core"
interface 19
   no lacp
exit
interface 20
   no lacp
exit
interface 21
   no lacp
exit
interface 22
   no lacp
exit
interface 23
   no lacp
exit
interface 24
   no lacp
exit
trunk 19-20 Trk1 LACP
trunk 21-22 Trk2 LACP
trunk 23-24 Trk3 LACP
ip routing
snmp-server community "public" Unrestricted
vlan 1
   name "DEFAULT_VLAN"
   untagged 1-18,Trk1-Trk3
   ip address 10.10.4.59 255.255.255.0
   exit
vlan 40
   name "VLAN40"
   ip address 10.10.10.1 255.255.255.0
   ip helper-address 10.10.4.29
   tagged Trk1-Trk3
   exit
ip route 0.0.0.0 0.0.0.0 10.10.4.98
spanning-tree Trk1 priority 4
spanning-tree Trk2 priority 4
spanning-tree Trk3 priority 4
hostname "NHB-Poe"
trunk 25-26 Trk1 LACP
ip default-gateway 10.10.4.59
snmp-server community "public" Unrestricted
vlan 1
   name "DEFAULT_VLAN"
   untagged 1,3-24,27-28,Trk1
   ip address 10.10.4.62 255.255.255.0
   no untagged 2
   exit
vlan 40
   name "VLAN40"
   untagged 2
   tagged Trk1
   exit
spanning-tree Trk1 priority 4
hostname "NHB-lower"
interface 23
   no lacp
exit
interface 24
   no lacp
exit
trunk 23-24 Trk1 LACP
ip default-gateway 10.10.4.59
snmp-server community "public" Unrestricted
vlan 1
   name "DEFAULT_VLAN"
   untagged 1-22,Trk1
   ip address dhcp-bootp
   exit
vlan 40
   name "VLAN40"
   tagged Trk1
   exit
spanning-tree Trk1 priority 4

Answer 1

I am sorry, but to get your issue more exposure, I would suggest posting it in the commercial forums, since this is a commercial product. You can click here for the link.
TwoPointOh
I work on behalf of HP
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