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08-13-2015 05:05 AM
08-13-2015 05:05 AM
New core switch VLANs not routing
Hello all- I've inherited an HP Procurve infrastructure after years in a Cisco environment. I'm having some trouble getting newly created VLANs on the 5406zl core switch to route. It was my understanding that after creating the VLAN and assigning it an IP address (which would then be used as the default gateway for that VLAN) that the 5406 would automatically create the routing for the directly connected VLANs, but that doesn't seem to be the case. For example, these VLANs were created prior to my arrival, and you can see that they appear in the routing as they should.
vlan 64
name “Bldg1_Wired_Users"
untagged F17-F20
ip helper-address 10.28.0.10
ip helper-address 10.28.0.3
ip address 172.17.64.1 255.255.252.0
tagged A5,A13,A15,A19,B7
exit
vlan 68
name “Bldg1_Wired_Phones"
ip helper-address 10.28.0.10
ip helper-address 10.28.0.3
ip address 172.17.68.1 255.255.252.0
tagged A5,A13,A15,A19,B7
exit
vlan 72
name "Bldg1_Wireless_Users"
ip helper-address 10.28.0.10
ip helper-address 10.28.0.3
ip address 172.17.72.1 255.255.252.0
tagged A5,A13,A15,A19,B7
exit
172.17.64.0/22 Bldg1_Wire... 64 connected 1 0
172.17.68.0/22 Bldg1_Wire... 68 connected 1 0
172.17.72.0/22 Bldg1_Wire... 72 connected 1 0
So I've created 2 new VLANs as below
vlan 16
name "RAP_WLAN"
untagged F15-F16
ip helper-address 10.28.0.10
ip helper-address 10.28.0.3
ip address 172.17.16.1 255.255.255.0
tagged E3
exit
vlan 18
name “Legacy_WLAN"
ip address 172.17.18.1 255.255.254.0
exit
But when I run a show ip route, you can see that we have no routing for those VLANs:
172.17.12.0/23 Management 12 connected 1 0
172.17.17.0/24 Aruba_WLAN 17 connected 1 0
172.17.64.0/22 Bldg1_Wire... 64 connected 1 0
I've restarted the core a couple of times to no avail. Any ideas anyone has would be most welcome. Thanks for your help!
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08-13-2015 05:35 AM
08-13-2015 05:35 AM
Re: New core switch VLANs not routing
Hello !
You have a device connected at both VLAN you created ?
ATP FLEXNETWORK V3 | ACSA
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08-13-2015 05:55 AM
08-13-2015 05:55 AM
Re: New core switch VLANs not routing
There is nothing connected to these VLANs yet. I cannot even ping the IPs yet, and I know that the gateway IPs for the other VLANs were ping-able before something was physically connected to them. I've tagged and untagged ports with these VLANs as well, just so they'd be associated with something but nothing seems to be working.
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08-13-2015 06:39 AM
08-13-2015 06:39 AM
Re: New core switch VLANs not routing
It's the same on a Cisco switch: the VLAN interface doesn't come up until you have an active device in the VLAN.
That one used to get me every time.