Altiris® Deployment Solution™ 6.9 SP1

OS: Windows Server 2008 R2 Std

The firewall on a network isn't present.

DHCP (OES Suse Linux) option: 60=PXEClient, 66=vr-hpsim.dan.rvtk.com, 67=\PXE\Images\MenuOption131

proxyDHCP or Helper aren't used

There is such problem:

On the DS server in logs of PxeLog_IPFilter there are such records:

[10:22:03.851 09/13] (5056): Enter: IPFilter( ... )
  (5056)Valid port being used: 67
  (5056)Valid DHCP packet found
  (5056)Valid IP Address found: 0.0.0.0
  (5056)Valid MAC Address found: 001E0B1C7E3C
  (5056)Valid GUID found: convert to UUID: {35363134-3935-5A43-4A37-343230363346}
D [10:22:03.851 09/13] (5056): Enter: ServiceThisPacket( ... )
D [10:22:03.851 09/13] (5056): Enter: IPCheck( ... )
  (5056)IPCheck: IP on list: false.
  (5056)Allow other parsers to service this packet: true
D [10:22:40.916 09/13] (5056): Enter: IPFilter( ... )
  (5056)Valid port being used: 67
  (5056)Valid DHCP packet found
  (5056)Valid IP Address found: 0.0.0.0
  (5056)Valid MAC Address found: 001E0B1C7E3C
  (5056)Valid GUID found: convert to UUID: {35363134-3935-5A43-4A37-343230363346}
D [10:22:40.916 09/13] (5056): Enter: ServiceThisPacket( ... )
D [10:22:40.916 09/13] (5056): Enter: IPCheck( ... )
  (5056)IPCheck: IP on list: false.
  (5056)Allow other parsers to service this packet: true
D [10:23:12.474 09/13] (5056): Enter: IPFilter( ... )
  (5056)Valid port being used: 67
  (5056)Valid DHCP packet found
  (5056)Valid IP Address found: 0.0.0.0
  (5056)Checking PXEClient option length mismatch - Packet not processed.
D [10:23:49.852 09/13] (5056): Enter: IPFilter( ... )
  (5056)Valid port being used: 67
  (5056)Valid DHCP packet found
  (5056)Valid IP Address found: 0.0.0.0
  (5056)Valid MAC Address found: 001E0B1C7E3C
  (5056)Valid GUID found: convert to UUID: {35363134-3935-5A43-4A37-343230363346}
D [10:23:49.852 09/13] (5056): Enter: ServiceThisPacket( ... )
D [10:23:49.852 09/13] (5056): Enter: IPCheck( ... )
  (5056)IPCheck: IP on list: false.
  (5056)Allow other parsers to service this packet: true
D [10:24:21.270 09/13] (5056): Enter: IPFilter( ... )
  (5056)Valid port being used: 67
  (5056)Valid DHCP packet found
  (5056)Valid IP Address found: 0.0.0.0
  (5056)Valid MAC Address found: 001E0B1C7E3C
  (5056)Valid GUID found: convert to UUID: {35363134-3935-5A43-4A37-343230363346}
D [10:24:21.270 09/13] (5056): Enter: ServiceThisPacket( ... )
D [10:24:21.270 09/13] (5056): Enter: IPCheck( ... )
  (5056)IPCheck: IP on list: false.
  (5056)Allow other parsers to service this packet: true
D [10:24:33.859 09/13] (5056): Enter: IPFilter( ... )
  (5056)Valid port being used: 67
  (5056)Valid DHCP packet found
  (5056)Valid IP Address found: 0.0.0.0
  (5056)Valid MAC Address found: 001E0B1C7E3C
  (5056)Valid GUID found: convert to UUID: {35363134-3935-5A43-4A37-343230363346}
D [10:24:33.859 09/13] (5056): Enter: ServiceThisPacket( ... )
D [10:24:33.859 09/13] (5056): Enter: IPCheck( ... )
  (5056)IPCheck: IP on list: false.
  (5056)Allow other parsers to service this packet: true
D [10:24:54.840 09/13] (5056): Enter: IPFilter( ... )
  (5056)Valid port being used: 67
  (5056)Valid DHCP packet found
  (5056)Valid IP Address found: 0.0.0.0
  (5056)Valid MAC Address found: 001E0B1C7E3C
  (5056)Valid GUID found: convert to UUID: {35363134-3935-5A43-4A37-343230363346}
D [10:24:54.840 09/13] (5056): Enter: ServiceThisPacket( ... )
D [10:24:54.840 09/13] (5056): Enter: IPCheck( ... )
  (5056)IPCheck: IP on list: false.
  (5056)Allow other parsers to service this packet: true

Where to look for a solution?

Thanks!