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[Løst] DHCP server og CISCO UBR10K


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Har eit problem med DHCP serveren ikke vil svare DHCP Relay Agent me kjøre ISC DHCPd version 4.3.1 alt PC'er som spør direkte vår svar og IP men det som kommer via Relay Agent vil den ikke svare.
 
Er det noen som har vært borti dette problemet.
 
CISCO UBR10K Relay Agent
 

interface Bundle1
 ip address 172.90.80.1 255.255.254.0 secondary
 ip address 172.16.0.1 255.255.252.0
 cable arp filter request-send 3 2
 cable arp filter reply-accept 3 2
 cable source-verify dhcp
 cable dhcp-giaddr policy
 cable helper-address 172.90.90.2 cable-modem
 cable helper-address 172.90.90.2 host

 
TCPDUMP
 

22:02:34.056584 d0:72:dc:33:a7:10 > 00:14:5e:fd:b6:b8, ethertype IPv4 (0x0800), length 591: 172.16.0.1.67 > 172.90.90.2.67: BOOTP/DHCP, Request from a4:a2:4a:4c:1c:9c, length 549

 
DHCP Server logg
 

Aug 23 21:11:34 dhcp dhcpd: DHCPOFFER on 172.16.0.4 to a4:a2:4a:48:bd:d1 via 172.16.0.1
Aug 23 21:11:42 dhcp dhcpd: DHCPDISCOVER from a4:a2:4a:4c:1c:9c via 172.16.0.1

 
CPE BOOTPREQUEST
 

  TIME: 2015-08-21 15:52:08.934
    IP: 172.16.0.1 (d0:72:dc:33:a7:10) > 172.90.90.2 (0:14:5e:fd:b6:b8)
    OP: 1 (BOOTPREQUEST)
 HTYPE: 1 (Ethernet)
  HLEN: 6
  HOPS: 1
   XID: 6d1a88ff
  SECS: 4
 FLAGS: 0
CIADDR: 0.0.0.0
YIADDR: 0.0.0.0
SIADDR: 0.0.0.0
GIADDR: 172.16.0.1
CHADDR: a4:a2:4a:4c:1c:9c:00:00:00:00:00:00:00:00:00:00
 SNAME: .
 FNAME: .
OPTION:  53 (  1) DHCP message type         1 (DHCPDISCOVER)
OPTION:  55 (  7) Parameter Request List      1 (Subnet mask)
                                              2 (Time offset)
                                              3 (Routers)
                                              4 (Time server)
                                              7 (Log server)
                                              6 (DNS server)
                                            125 (???)

OPTION:  60 ( 10) Vendor class identifier   docsis3.0:
OPTION: 125 (130) ???                       0000118b7d010102 ....}...
                                            0578010101020103 .x......
                                            0301010401010501 ........
                                            0106010107010f08 ........
                                            01100901000a0101 ........
                                            0b01180c01010d02 ........
                                            00400e0200100f01 .@......
                                            0110040000000211 ........
                                            010014010015013f .......?
                                            1601011701011801 ........
                                            041901041a01041b ........
                                            01201c01021d0108 . ......
                                            1e01201f01102001 .. ... .
                                            1021010222010123 .!.."..#
                                            0100240100250101 ..$..%..
                                            260200ff27010128 &...'..(
                                            0100             ..
OPTION:  43 (100) Vendor specific info      020345434d030b45 ..ECM..E
                                            434d3a45524f5554 CM:EROUT
                                            4552040932363234 ER..2624
                                            3939303437050331 99047..1
                                            2e30061b65706333 .0..epc3
                                            3832352d76333032 825-v302
                                            723132353535312d r125551-
                                            3131313231366307 111216c.
                                            08322e332e305f52 .2.3.0_R
                                            3308066134613234 3..a4a24
                                            6109074550433338 a..EPC38
                                            32350a0543697363 25..Cisc
                                            6ffe0108         o...
OPTION:  61 ( 15) Client-identifier         ff:4a:4c:1c:9c:00:03:00:01:a4:a2:4a:4c:1c:9c
OPTION:  57 (  2) Maximum DHCP message size 1500
OPTION:  82 ( 27) Relay Agent Information
                  Circuit-ID    80:02:03:f9
                  Remote-ID     a4:a2:4a:4c:1c:9c
                  Chaos         00:00:11:8b:06:01:04:01:02:03:00
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