Description of problem: dhclient can't apply IPV6 address (from Windows Server 2008 DHCP Server) to eth0 Version-Release number of selected component (if applicable): dhclient-4.2.0-16.P2.fc14 How reproducible: 100% Steps to Reproduce: 1. Set-up Windows Server 2008 DHCP Server for IPV6 2. Run dhclient 3. See that address was successfully given, but not applied to the eth0 interface Actual results: --- [root@fc646001 ~]# /sbin/dhclient -d -6 eth0 Internet Systems Consortium DHCP Client 4.2.0-P2 Copyright 2004-2010 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ Bound to *:546 Listening on Socket/eth0 Sending on Socket/eth0 PRC: Confirming active lease (INIT-REBOOT). XMT: Forming Confirm, 0 ms elapsed. XMT: X-- IA_NA 51:ab:b0:09 XMT: | X-- Confirm Address fd00::7d9b:c93e:9ae6:fc4d XMT: V IA_NA appended. XMT: Confirm on eth0, interval 1050ms. RCV: Reply message on eth0 from fd00::8. RCV: X-- IA_NA 51:ab:b0:09 RCV: | X-- starts 1295471235 RCV: | X-- t1 - renew +345600 RCV: | X-- t2 - rebind +552960 RCV: | X-- [Options] RCV: | | X-- IAADDR fd00::7d9b:c93e:9ae6:fc4d RCV: | | | X-- Preferred lifetime 691200. RCV: | | | X-- Max lifetime 1036800. RCV: X-- Server ID: 00:01:00:00:4d:30:4b:92:00:1c:42:f9:1c:cc PRC: Bound to lease 00:01:00:00:4d:30:4b:92:00:1c:42:f9:1c:cc. Prefix BOUND6 old= new= PRC: Renewal event scheduled in 341812 seconds, to run for 207360 seconds. PRC: Depreference scheduled in 687412 seconds. PRC: Expiration scheduled in 1033012 seconds. [root@fc646001 ~]# ifconfig eth0 Link encap:Ethernet HWaddr 00:18:51:AB:B0:09 inet6 addr: fe80::218:51ff:feab:b009/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:2831 errors:0 dropped:0 overruns:0 frame:0 TX packets:51 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:87631 (85.5 KiB) TX bytes:5298 (5.1 KiB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) --- Expected results: Address should be applied to the eth0 Additional info: This happened because of dhclient binary set $new_ip6_address and $new_ip6_prefixlen variables for dhclient-script, but not set the ${old_ip6_prefix} or ${new_ip6_prefix} variables, so the dh6config() function immediately exit: --- dh6config() { if [ -n ${old_ip6_prefix} ] || [ -n ${new_ip6_prefix} ]; then echo Prefix ${reason} old=${old_ip6_prefix} new=${new_ip6_prefix} exit_with_hooks 0 fi --- If i comment these if ... fi seems like all works OK. Please fix dhclient binary or dhclient-script.
Thank you for the report, can you only add quotation marks so the condition will look like: if [ -n "${old_ip6_prefix}" ] || [ -n "${new_ip6_prefix}" ]; then and try again ? thanks
Yes, with quotes all OK. Thanx! --- [root@fc646001 ~]# diff -u /sbin/dhclient-script.orig /sbin/dhclient-script --- /sbin/dhclient-script.orig 2011-01-20 17:14:59.000000000 +0300 +++ /sbin/dhclient-script 2011-01-20 17:14:43.000000000 +0300 @@ -557,8 +557,8 @@ } dh6config() { - if [ -n ${old_ip6_prefix} ] || - [ -n ${new_ip6_prefix} ]; then + if [ -n "${old_ip6_prefix}" ] || + [ -n "${new_ip6_prefix}" ]; then echo Prefix ${reason} old=${old_ip6_prefix} new=${new_ip6_prefix} exit_with_hooks 0 fi [root@fc646001 ~]# rm -f /var/lib/dhclient/dhclient* [root@fc646001 ~]# ifconfig eth0 eth0 Link encap:Ethernet HWaddr 00:18:51:AB:B0:09 inet6 addr: fe80::218:51ff:feab:b009/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:141 errors:0 dropped:0 overruns:0 frame:0 TX packets:77 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:16423 (16.0 KiB) TX bytes:8448 (8.2 KiB) [root@fc646001 ~]# /sbin/dhclient -d -6 eth0 Internet Systems Consortium DHCP Client 4.2.0-P2 Copyright 2004-2010 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ Bound to *:546 Listening on Socket/eth0 Sending on Socket/eth0 PRC: Soliciting for leases (INIT). XMT: Forming Solicit, 0 ms elapsed. XMT: X-- IA_NA 51:ab:b0:09 XMT: | X-- Request renew in +3600 XMT: | X-- Request rebind in +5400 XMT: Solicit on eth0, interval 1030ms. RCV: Advertise message on eth0 from fd00::8. RCV: X-- Preference 8. RCV: X-- IA_NA 51:ab:b0:09 RCV: | X-- starts 1295532936 RCV: | X-- t1 - renew +345600 RCV: | X-- t2 - rebind +552960 RCV: | X-- [Options] RCV: | | X-- IAADDR fd00::da2c:ad8e:f6ba:7a82 RCV: | | | X-- Preferred lifetime 691200. RCV: | | | X-- Max lifetime 1036800. RCV: X-- Server ID: 00:01:00:00:4d:30:4b:92:00:1c:42:f9:1c:cc RCV: Advertisement recorded. PRC: Selecting best advertised lease. PRC: Considering best lease. PRC: X-- Initial candidate 00:01:00:00:4d:30:4b:92:00:1c:42:f9:1c:cc (s: 153, p: 8). XMT: Forming Request, 0 ms elapsed. XMT: X-- IA_NA 51:ab:b0:09 XMT: | X-- Requested renew +3600 XMT: | X-- Requested rebind +5400 XMT: | | X-- IAADDR fd00::da2c:ad8e:f6ba:7a82 XMT: | | | X-- Preferred lifetime +7200 XMT: | | | X-- Max lifetime +7500 XMT: V IA_NA appended. XMT: Request on eth0, interval 1030ms. RCV: Reply message on eth0 from fd00::8. RCV: X-- IA_NA 51:ab:b0:09 RCV: | X-- starts 1295532937 RCV: | X-- t1 - renew +345600 RCV: | X-- t2 - rebind +552960 RCV: | X-- [Options] RCV: | | X-- IAADDR fd00::da2c:ad8e:f6ba:7a82 RCV: | | | X-- Preferred lifetime 691200. RCV: | | | X-- Max lifetime 1036800. RCV: X-- Server ID: 00:01:00:00:4d:30:4b:92:00:1c:42:f9:1c:cc PRC: Bound to lease 00:01:00:00:4d:30:4b:92:00:1c:42:f9:1c:cc. PRC: Renewal event scheduled in 345598 seconds, to run for 207360 seconds. PRC: Depreference scheduled in 691198 seconds. PRC: Expiration scheduled in 1036798 seconds. [root@fc646001 ~]# ifconfig eth0 eth0 Link encap:Ethernet HWaddr 00:18:51:AB:B0:09 inet6 addr: fd00::da2c:ad8e:f6ba:7a82/64 Scope:Global inet6 addr: fe80::218:51ff:feab:b009/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:147 errors:0 dropped:0 overruns:0 frame:0 TX packets:83 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:16996 (16.5 KiB) TX bytes:9018 (8.8 KiB) ---
dhcp-4.2.0-18.P2.fc14 has been submitted as an update for Fedora 14. https://admin.fedoraproject.org/updates/dhcp-4.2.0-18.P2.fc14
dhcp-4.2.0-18.P2.fc14 has been pushed to the Fedora 14 testing repository. If problems still persist, please make note of it in this bug report. If you want to test the update, you can install it with su -c 'yum --enablerepo=updates-testing update dhcp'. You can provide feedback for this update here: https://admin.fedoraproject.org/updates/dhcp-4.2.0-18.P2.fc14
dhcp-4.2.0-18.P2.fc14 has been pushed to the Fedora 14 stable repository. If problems still persist, please make note of it in this bug report.