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Author Topic: DHCP send option not sent  (Read 8315 times)

franco

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Re: DHCP send option not sent
« Reply #30 on: January 31, 2022, 10:57:45 am »
Kev, can you post or mail "ifconfig igb0" output for me?


Thanks,
Franco
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nivek1612

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Re: DHCP send option not sent
« Reply #31 on: January 31, 2022, 11:00:44 am »
root@home:~ # ifconfig igb0
igb0: flags=8863<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
   description: VLANSpoof
   options=48520b8<VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO,NOMAP>
   ether 00:0e:c4:d2:a4:f9
   media: Ethernet autoselect (1000baseT <full-duplex>)
   status: active
   nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
root@home:~ #
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franco

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Re: DHCP send option not sent
« Reply #32 on: January 31, 2022, 11:04:22 am »
There's still a number of offloading stuff enabled on the parent:

<VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO,NOMAP>

Normally it should apply on its own after enabling VLANSpoof, saving and hitting apply configuration. If not we can try manually. Let me know.
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nivek1612

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Re: DHCP send option not sent
« Reply #33 on: January 31, 2022, 11:07:12 am »
I still have this set want me to switch it to disable

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franco

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Re: DHCP send option not sent
« Reply #34 on: January 31, 2022, 11:24:30 am »
Worth a try, yes please.
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nivek1612

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Re: DHCP send option not sent
« Reply #35 on: January 31, 2022, 11:26:43 am »
Done still

no IP but now the interface looks like this

igb0: flags=8863<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
   description: VLANSpoof
   options=4802028<VLAN_MTU,JUMBO_MTU,WOL_MAGIC,NOMAP>
   ether 00:0e:c4:d2:a4:f9
   media: Ethernet autoselect (1000baseT <full-duplex>)
   status: active
   nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>


and the VLAN that connects to the ISP

igb0_vlan832: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
   description: WAN
   options=4000000<NOMAP>
   ether 30:7c:b2:1f:79:7d
   inet 0.0.0.0 netmask 0xff000000 broadcast 255.255.255.255
   inet6 fe80::327c:b2ff:fe1f:797d%igb0_vlan832 prefixlen 64 scopeid 0x9
   groups: vlan
   vlan: 832 vlanproto: 802.1q vlanpcp: 0 parent interface: igb0
   media: Ethernet autoselect (1000baseT <full-duplex>)
   status: active
   nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL>
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franco

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Re: DHCP send option not sent
« Reply #36 on: January 31, 2022, 12:03:13 pm »
It's strange that it's stuck with "inet 0.0.0.0 netmask 0xff000000 broadcast 255.255.255.255". Wouldn't that mean dhclient already received an offer? Maybe the request isn't making it to the ISP?

Do we have a packet capture to look at?


Cheers,
Franco
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nivek1612

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Re: DHCP send option not sent
« Reply #37 on: January 31, 2022, 12:23:01 pm »
Sure any particular setting you want in here
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franco

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Re: DHCP send option not sent
« Reply #38 on: January 31, 2022, 12:25:24 pm »
capture on vlanspoof with promisc, count not sure I just need the dhcp sequence... might be 100, might be 1000

send via mail


Thanks,
Franco
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nemric

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Re: DHCP send option not sent
« Reply #39 on: January 31, 2022, 12:32:59 pm »
Yes I always have the pcap I've done when it fails.

I have changed my mac, Manufacturer_xx:xx:xx (xx:xx:xx:xx:xx:xx), the requested IP : Requested IP Address (123.123.123.123) and the hostname : hostname

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nivek1612

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Re: DHCP send option not sent
« Reply #40 on: January 31, 2022, 12:39:41 pm »
@franco

Quote from: franco on January 31, 2022, 12:25:24 pm
capture on vlanspoof with promisc, count not sure I just need the dhcp sequence... might be 100, might be 1000

send via mail


Thanks,
Franco

you won't believe this. turned on capture. re saved WAN. now its shows an IP address but gateway monitor claims the interface is down. Still want the capture
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nivek1612

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Re: DHCP send option not sent
« Reply #41 on: January 31, 2022, 12:51:38 pm »
tried a reboot now i have this next to WAN .... at a loss now
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franco

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Re: DHCP send option not sent
« Reply #42 on: January 31, 2022, 01:05:55 pm »
Yes, capture please :)
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franco

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Re: DHCP send option not sent
« Reply #43 on: January 31, 2022, 01:08:42 pm »
nemric: in your case the discover is never answered. have you had your VLAN parent assigned and enabled? it looks like the outgoing package is never received by the other end.
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nivek1612

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Re: DHCP send option not sent
« Reply #44 on: January 31, 2022, 01:10:28 pm »

@franco Just emailed capture
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