[Bug 3019] New: udhcpc fails to renew lease on SIGUSR1
bugzilla at busybox.net
bugzilla at busybox.net
Tue Dec 28 10:16:50 UTC 2010
https://bugs.busybox.net/show_bug.cgi?id=3019
Summary: udhcpc fails to renew lease on SIGUSR1
Product: Busybox
Version: 1.17.x
Platform: Other
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P5
Component: Networking
AssignedTo: unassigned at busybox.net
ReportedBy: nitr0 at seti.kr.ua
CC: busybox-cvs at busybox.net
Estimated Hours: 0.0
I use udhcpc on embedded platform. When I tried to renew lease via sending
SIGUSR1 (or release lease via sending SIGUSR2 and renew lease via sending
SIGUSR1) - as result udhcpc can't obtain lease. tcpdump shows that dhcp server
answers are present:
00:35:57.763252 1c:af:f7:41:9b:4f > ff:ff:ff:ff:ff:ff, ethertype IPv4 (0x0800),
length 333: (tos 0x0, ttl 64, id 0, offset 0, flags [none], proto UDP (17),
length 319)
0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request [|bootp]
00:35:57.763527 00:18:f3:fd:22:fe > 1c:af:f7:41:9b:4f, ethertype IPv4 (0x0800),
length 342: (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17),
length 328)
172.19.32.254.67 > 172.19.32.220.68: BOOTP/DHCP, Reply, length 300, xid
0xbc341d43, secs 3, Flags [none] (0x0000)
Your-IP 172.19.32.220
Server-IP 172.19.32.254 [|bootp]
In log - only retries of renew:
Dec 28 01:25:17 udhcpc[786]: Performing a DHCP renew
Dec 28 01:25:17 udhcpc[786]: Sending discover...
Dec 28 01:25:22 udhcpc[786]: Sending discover...
Dec 28 01:25:27 udhcpc[786]: Sending discover...
Dec 28 01:25:32 udhcpc[786]: Sending discover...
In usual mode udhcpc renews lease successful on lease timeout.
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