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03-26-2018 11:56 AM
03-26-2018 11:56 AM
HP 2530 Switch DHCP Issues
I've got some new HP Aruba 2530-24G switches that I have updated to the latest software: YA.16.05.0004 and I'm having an issue getting the DHCP to work correctly. I have an additional VLAN on the switch that I would like to be configured via DHCP. This would normally be the management port/vlan. I currently have both VLANs configured for DHCP. If I plug the ethernet into a port defind as DEAFAULT_VLAN, everything works fine. I get my DNS server, Gateway address, etc. If I plug the same ethernet into a port/vlan defined on another VLAN I only get the address.
This is the same DHCP server and in fact the same ethernet cable. I just move it to different VLANS.
Here is the configuration and log of the results:
What have I got configured wrong or does this not work?
show config Startup configuration: 3 ; J9776A Configuration Editor; Created on release #YA.16.05.0004 ; Ver #12:00.04.19.02.13.98.82.34.61.18.28.f3.84.9c.63.ff.37.27:06 hostname "HP-2530-24G" snmp-server community "public" unrestricted vlan 1 name "DEFAULT_VLAN" no untagged 21 untagged 1-20,22-28 ip address dhcp-bootp exit vlan 16 name "Maintenance" untagged 21 ip address dhcp-bootp exit HP-2530-24G# show ip Internet (IP) Service Default Gateway : Default TTL : 64 Arp Age : 20 Domain Suffix : DNS server : VLAN | IP Config IP Address Subnet Mask -------------------- + ---------- --------------- --------------- DEFAULT_VLAN | DHCP/Bootp Maintenance | DHCP/Bootp 172.17.199.32 255.255.255.192 HP-2530-24G# show ip route IP Route Entries Destination Gateway VLAN Type Sub-Type Metric Dist. ------------------ --------------- ---- --------- ---------- ---------- ----- 127.0.0.0/8 reject static 0 0 127.0.0.1/32 connected 1 0 172.17.199.0/26 Maintenance 16 connected 1 0 HP-2530-24G# ping google.com HP-2530-24G# Invalid input: google.com or DNS server not configured. HP-2530-24G# show ip Internet (IP) Service Default Gateway : 172.17.199.1 Default TTL : 64 Arp Age : 20 Domain Suffix : DNS server : 10.10.100.8 VLAN | IP Config IP Address Subnet Mask -------------------- + ---------- --------------- --------------- DEFAULT_VLAN | DHCP/Bootp 172.17.199.32 255.255.255.192 Maintenance | DHCP/Bootp HP-2530-24G# show ip route IP Route Entries Destination Gateway VLAN Type Sub-Type Metric Dist. ------------------ --------------- ---- --------- ---------- ---------- ----- 0.0.0.0/0 172.17.199.1 1 static 250 1 127.0.0.0/8 reject static 0 0 127.0.0.1/32 connected 1 0 172.17.199.0/26 DEFAULT_VLAN 1 connected 1 0 HP-2530-24G# show ip dns DNS Mode : DHCP DNS Domain Names Configured: --------------------------- No. DNS Domain Name --- --------------- DNS Servers Configured: ---------------------- Priority DNS Server Addresses -------- -------------------- 1. 10.10.100.8 2. 10.10.101.11 HP-2530-24G# ping google.com HP-2530-24G# google.com is alive, time = 14 ms HP-2530-24G#
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03-27-2018 02:15 AM
03-27-2018 02:15 AM
Re: HP 2530 Switch DHCP Issues
You don't have a default gateway in the first example.
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03-27-2018 06:32 AM
03-27-2018 06:32 AM
Re: HP 2530 Switch DHCP Issues
Yes I know. It is supposed to get it from the DHCP actions. As you can see in the 2nd try it was received.
It seems that the VLAN that is marked as Primary is the only one that will propogate all of the DHCP settings.