** Changed in: isc-dhcp (Ubuntu)
Status: Confirmed => In Progress
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https://bugs.launchpad.net/bugs/1529815
Title:
InfiniBand DHCP flow with PRA and DHCP relay not working
Status in isc-dhcp package in Ubuntu:
In Progress
Bug description:
DHCP client is sending discover with Unicast type request for the offer, in
this configuration of IB to ETH through a relay we need the type to be
broadcast.
The issue is that when using dhclient from the client on Ubuntu (and only on
Ubuntu) with MOFED or inbox driver, we see that that DHCP server offers in
unicast instead of broadcast. It seems there is no way to correct this from the
client side using dhclient configuration file.
this issue exist even when we use always-broadcast statement in configuration
file.
in other vendors we see that discover request type is broadcast.
attached pcap files from working (other vendor) and not working (Ubuntu)
clients.
DHCP CLIENT (IPoIB)
Ubuntu 14.04 kernel 3.13.0-74
Mellanox OFED 3.1-1.0.3 or inbox driver
isc-dhcp-client 4.2.4-7ubuntu12.3
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