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01-28-2013 02:14 AM
01-28-2013 02:14 AM
VLAN not accepting DHCP address
Goodmorning,
after creating a vlan using SMH.
I'm trying to configure it to use dhcp.
After enable DHCP again using SMH, and bringing up the interface, no ip addres is assinged.
Netconf:
INTERFACE_NAME[2]="lan5002"
DHCP_ENABLE[2]="1"
IP_ADDRESS[2]=""
SUBNET_MASK[2]=""
BROADCAST_ADDRESS[2]=""
INTERFACE_STATE[2]=""
#DHCP_ENABLE[2]="1"
INTERFACE_MODULES[2]=""
#ifconfig lan5002
lan5002: flags=4000000000001843<UP,BROADCAST,RUNNING,MULTICAST,CKO,VLAN>
inet 0.0.0.0 netmask 0
#dhcp-client -b lan5002 -p
-------------- Start Packet --------------------------
BOOTP REQUEST packet
HW addr type HW addrlen Hops XID Secs Flags
ethernet 06 0000 46183c5f 00000000 0000
ciaddr yiaddr siaddr giaddr
0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0
HW addr = 00:17:08:d1:92:3d:
server name:
"empty string"
boot file:
"empty string"
-------------- Options -------------------------------
TAG = DHCP message type : 03
TAG = DHCP Class ID : "HewlettPackard.HP-UX"
TAG = DHCP Param. Req. list : 0x01,0x10,0x29,0x1c,0x06,0x0f,0x28,0x0b,0x0c,0x03,0x21,0x2a,
TAG = DHCP Req. IP Address : 10.253.123.64
-------------- End Packet --------------------------
-------------- Start Packet --------------------------
BOOTP REPLY packet
HW addr type HW addrlen Hops XID Secs Flags
ethernet 06 0000 46183c5f 00000000 0000
ciaddr yiaddr siaddr giaddr
0.0.0.0 10.253.123.64 10.250.6.1 10.253.254.254
HW addr = 00:17:08:d1:92:3d:
server name:
"10.250.6.1"
boot file:
"BStrap\X86pc\BStrap.0"
-------------- Options -------------------------------
TAG = DHCP message type : 05
TAG = DHCP Server ID : 10.91.140.8
TAG = DHCP Address Lease : 00007080
TAG = Subnet Mask : 255.255.0.0
TAG = Domain Name Server : 10.91.140.8
TAG = Domain Name : "<domain>.nl"
-------------- End Packet --------------------------
It looks like i'm missing something here
Why isn;t the interface accepting the assinged address
Hope there is someone out there who can tell me what i'm missing here
Kind regards
Heiko
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01-28-2013 08:01 AM
01-28-2013 08:01 AM
Re: VLAN not accepting DHCP address
When a HP-UX system uses DHCP, the dhcpclient command is run by the auto_parms script very early in the system boot sequence. That is, before VLANs or any other advanced networking features are started up.
Apparently the DHCP support of HP-UX is rather minimal and intended for installation and workstation-like usage only.
Based on a quick browsing through the network-related /sbin/init.d scripts in HP-UX 11.31, I don't think you can successfully use DHCP with VLAN network interfaces. (I could not find anything that would call auto_parms or dhcpclient from /sbin/init.d/vlan or /sbin/init.d/net.)