Solaris 10 上安裝 isc-dhcp 並設為 SMF 管理的 service 實作

11:45:00 下午          By 洋蔥爸比 Tosian Yang
今天臨時要裝一台 SUN 的機器，用來當新的 DHCP server，手邊只有公司精簡版的 Solaris 10 的安裝光碟，裝完後才發現，歐賣尬的，挖勒，怎麼沒看到 isc-dhcp 啊？啊是躲到哪去了？用 svcs -a 去看居然只有 default 的那支 dhcp-server：
8ksh# svcs -a|grep dhcp
disabled 16:39:47 svc:/network/dhcp-server:default
問題來了，由於這一台機器是要把另一台正在 in service 機器上的 DHCP service 給取代掉的，而且之前的 DHCP 是用 isc-dhcp v3.0.4，我看了一下那個 default dhcp-server 的設定，跟 isc-dhcp 的差異實在頗大，沒時間重新設定成 dhcp-server 用的，目前也沒時間線上驗證，怕會影響目前客戶的 serice，所以只得趕快去找 isc-dhcp for Solaris10 的 package。

先到 ISC 的下載網頁去看一下，目前最新的版本是 DHCP v4.1.0，抓下來試試看，結果要 ./configure 時居然發現這個精簡版的 OS超級精簡的，連 gcc 都沒有...
17ksh# ./configure
checking for a BSD-compatible install... ./install-sh -c
checking whether build environment is sane... yes
checking for gawk... no
checking for mawk... no
checking for nawk... nawk
checking whether make sets $(MAKE)... yes
checking for gcc... gcc
checking for C compiler default output file name...
configure: error: C compiler cannot create executables
See `config.log' for more details.

root@KHXDNSS1:/opt/SW_Package/dhcp-4.1.0
再一查看才發現缺的東西真是多啊，算了，時間不多，換一個好了，直接抓安裝版的好了....到 SunFreeware 去找了一下，嗯，看到了 dhcp-4.0.0-sol10-sparc-local.gz，當下二話不說，先抓回來看看～

解壓再 pkgadd 裝來看看：
25ksh# pkgadd -d dhcp-4.0.0-sol10-sparc-local

The following packages are available:
1 SMCdhcp dhcp
(sparc) 4.0.0

Select package(s) you wish to process (or 'all' to process
all packages). (default: all) [?,??,q]: all

Processing package instance from

dhcp(sparc) 4.0.0
ISC
Using as the package base directory.
## Processing package information.
## Processing system information.
4 package pathnames are already properly installed.
## Verifying disk space requirements.
## Checking for conflicts with packages already installed.
## Checking for setuid/setgid programs.

Installing dhcp as

## Installing part 1 of 1.
/usr/local/bin/omshell
/usr/local/doc/dhcp/LICENSE
/usr/local/doc/dhcp/README
/usr/local/doc/dhcp/RELNOTES
/usr/local/doc/dhcp/contrib/3.0b1-lease-convert
/usr/local/doc/dhcp/contrib/dhclient-tz-exithook.sh
/usr/local/doc/dhcp/contrib/dhcp.spec
/usr/local/doc/dhcp/contrib/ms2isc/Registry.pm
/usr/local/doc/dhcp/contrib/ms2isc/ms2isc.pl
/usr/local/doc/dhcp/contrib/ms2isc/readme.txt
/usr/local/doc/dhcp/contrib/sethostname.sh
/usr/local/doc/dhcp/contrib/solaris.init
/usr/local/doc/dhcp/doc/IANA-arp-parameters
/usr/local/doc/dhcp/doc/Makefile
/usr/local/doc/dhcp/doc/References.html
/usr/local/doc/dhcp/doc/References.txt
/usr/local/doc/dhcp/doc/References.xml
/usr/local/doc/dhcp/doc/api+protocol
/usr/local/doc/dhcp/doc/ja_JP.eucJP/dhclient-script.8
/usr/local/doc/dhcp/doc/ja_JP.eucJP/dhclient.8
/usr/local/doc/dhcp/doc/ja_JP.eucJP/dhclient.conf.5
/usr/local/doc/dhcp/doc/ja_JP.eucJP/dhclient.leases.5
/usr/local/doc/dhcp/doc/ja_JP.eucJP/dhcp-eval.5
/usr/local/doc/dhcp/doc/ja_JP.eucJP/dhcp-options.5
/usr/local/etc/dhclient.conf
/usr/local/etc/dhcpd.conf
/usr/local/include/dhcpctl/dhcpctl.h
/usr/local/include/isc-dhcp/boolean.h
/usr/local/include/isc-dhcp/commandline.h
/usr/local/include/isc-dhcp/dst.h
/usr/local/include/isc-dhcp/formatcheck.h
/usr/local/include/isc-dhcp/int.h
/usr/local/include/isc-dhcp/lang.h
/usr/local/include/isc-dhcp/list.h
/usr/local/include/isc-dhcp/mem.h
/usr/local/include/isc-dhcp/print.h
/usr/local/include/isc-dhcp/result.h
/usr/local/include/isc-dhcp/string.h
/usr/local/include/isc-dhcp/types.h
/usr/local/include/omapip/alloc.h
/usr/local/include/omapip/buffer.h
/usr/local/include/omapip/convert.h
/usr/local/include/omapip/hash.h
/usr/local/include/omapip/omapip.h
/usr/local/include/omapip/omapip_p.h
/usr/local/include/omapip/trace.h
/usr/local/lib/libdhcpctl.a
/usr/local/lib/libdst.a
/usr/local/lib/libomapi.a
/usr/local/sbin/dhclient
/usr/local/sbin/dhcpd
/usr/local/sbin/dhcrelay
/usr/local/share/man/man1/omshell.1
/usr/local/share/man/man3/dhcpctl.3
/usr/local/share/man/man3/omapi.3
/usr/local/share/man/man5/dhclient.conf.5
/usr/local/share/man/man5/dhclient.leases.5
/usr/local/share/man/man5/dhcp-eval.5
/usr/local/share/man/man5/dhcp-options.5
/usr/local/share/man/man5/dhcpd.conf.5
/usr/local/share/man/man5/dhcpd.leases.5
/usr/local/share/man/man8/dhclient-script.8
/usr/local/share/man/man8/dhclient.8
/usr/local/share/man/man8/dhcpd.8
/usr/local/share/man/man8/dhcrelay.8
[ verifying class ]

Installation of was successful.

root@KHXDNSS1:/opt/SW_Package
27ksh# pkginfo SMCdhcp
application SMCdhcp dhcp

root@KHXDNSS1:/opt/SW_Package
裝完直接跑跑看吧：
6ksh# /usr/local/sbin/dhcpd
ld.so.1: dhcpd: fatal: libcrypto.so.0.9.8: open failed: No such file or directory
Killed

root@KHXDNSS1:/root
不是吧？這個 OS 也實在是太過精簡了吧，要什麼沒什麼～算了，二話不說，直接移掉：
7ksh# pkgrm SMCdhcp

The following package is currently installed:
SMCdhcp dhcp
(sparc) 4.0.0

Do you want to remove this package? [y,n,?,q] y

## Removing installed package instance
## Verifying package dependencies in global zone
## Processing package information.
## Removing pathnames in class
/usr/local/share/man/man8/dhcrelay.8
/usr/local/share/man/man8/dhcpd.8
/usr/local/share/man/man8/dhclient.8
/usr/local/share/man/man8/dhclient-script.8
/usr/local/share/man/man8
/usr/local/share/man/man5/dhcpd.leases.5
/usr/local/share/man/man5/dhcpd.conf.5
/usr/local/share/man/man5/dhcp-options.5
/usr/local/share/man/man5/dhcp-eval.5
/usr/local/share/man/man5/dhclient.leases.5
/usr/local/share/man/man5/dhclient.conf.5
/usr/local/share/man/man5
/usr/local/share/man/man3/omapi.3
/usr/local/share/man/man3/dhcpctl.3
/usr/local/share/man/man3
/usr/local/share/man/man1/omshell.1
/usr/local/share/man/man1
/usr/local/share/man
/usr/local/share
/usr/local/sbin/dhcrelay
/usr/local/sbin/dhcpd
/usr/local/sbin/dhclient
/usr/local/sbin
/usr/local/lib/libomapi.a
/usr/local/lib/libdst.a
/usr/local/lib/libdhcpctl.a
/usr/local/lib
/usr/local/include/omapip/trace.h
/usr/local/include/omapip/omapip_p.h
/usr/local/include/omapip/omapip.h
/usr/local/include/omapip/hash.h
/usr/local/include/omapip/convert.h
/usr/local/include/omapip/buffer.h
/usr/local/include/omapip/alloc.h
/usr/local/include/omapip
/usr/local/include/isc-dhcp/types.h
/usr/local/include/isc-dhcp/string.h
/usr/local/include/isc-dhcp/result.h
/usr/local/include/isc-dhcp/print.h
/usr/local/include/isc-dhcp/mem.h
/usr/local/include/isc-dhcp/list.h
/usr/local/include/isc-dhcp/lang.h
/usr/local/include/isc-dhcp/int.h
/usr/local/include/isc-dhcp/formatcheck.h
/usr/local/include/isc-dhcp/dst.h
/usr/local/include/isc-dhcp/commandline.h
/usr/local/include/isc-dhcp/boolean.h
/usr/local/include/isc-dhcp
/usr/local/include/dhcpctl/dhcpctl.h
/usr/local/include/dhcpctl
/usr/local/include
/usr/local/etc/dhcpd.conf
/usr/local/etc/dhclient.conf
/usr/local/etc
/usr/local/doc/dhcp/doc/ja_JP.eucJP/dhcp-options.5
/usr/local/doc/dhcp/doc/ja_JP.eucJP/dhcp-eval.5
/usr/local/doc/dhcp/doc/ja_JP.eucJP/dhclient.leases.5
/usr/local/doc/dhcp/doc/ja_JP.eucJP/dhclient.conf.5
/usr/local/doc/dhcp/doc/ja_JP.eucJP/dhclient.8
/usr/local/doc/dhcp/doc/ja_JP.eucJP/dhclient-script.8
/usr/local/doc/dhcp/doc/ja_JP.eucJP
/usr/local/doc/dhcp/doc/api+protocol
/usr/local/doc/dhcp/doc/References.xml
/usr/local/doc/dhcp/doc/References.txt
/usr/local/doc/dhcp/doc/References.html
/usr/local/doc/dhcp/doc/Makefile
/usr/local/doc/dhcp/doc/IANA-arp-parameters
/usr/local/doc/dhcp/doc
/usr/local/doc/dhcp/contrib/solaris.init
/usr/local/doc/dhcp/contrib/sethostname.sh
/usr/local/doc/dhcp/contrib/ms2isc/readme.txt
/usr/local/doc/dhcp/contrib/ms2isc/ms2isc.pl
/usr/local/doc/dhcp/contrib/ms2isc/Registry.pm
/usr/local/doc/dhcp/contrib/ms2isc
/usr/local/doc/dhcp/contrib/dhcp.spec
/usr/local/doc/dhcp/contrib/dhclient-tz-exithook.sh
/usr/local/doc/dhcp/contrib/3.0b1-lease-convert
/usr/local/doc/dhcp/contrib
/usr/local/doc/dhcp/RELNOTES
/usr/local/doc/dhcp/README
/usr/local/doc/dhcp/LICENSE
/usr/local/doc/dhcp
/usr/local/doc
/usr/local/bin/omshell
/usr/local/bin
## Updating system information.

Removal of was successful.

root@KHXDNSS1:/root
算了，回頭看一下原來的機器，用的是 v3.0.4 版的，好吧，再去找了一下，v3.0.4 版的是找不到，不過還好在 SunFreeware 還有給 Solaris10 用的 DHCP v3.0.5 (dhcp-3.0.5-sol10-sparc-local.gz) 的版本，一樣，先抓來解壓縮：
gunzip dhcp-3.0.5-sol10-sparc-local.gz
接著裝上去吧：
17ksh# pkgadd -d dhcp-3.0.5-sol10-sparc-local

The following packages are available:
1 SMCdhcp dhcp
(sparc) 3.0.5

Select package(s) you wish to process (or 'all' to process
all packages). (default: all) [?,??,q]: all

Processing package instance from

dhcp(sparc) 3.0.5
ISC
Using as the package base directory.
## Processing package information.
## Processing system information.
7 package pathnames are already properly installed.
## Verifying disk space requirements.
## Checking for conflicts with packages already installed.
## Checking for setuid/setgid programs.

Installing dhcp as

## Installing part 1 of 1.
/usr/local/bin/omshell
/usr/local/doc/dhcp/LICENSE
/usr/local/doc/dhcp/README
/usr/local/doc/dhcp/RELNOTES
/usr/local/doc/dhcp/contrib/3.0b1-lease-convert
/usr/local/doc/dhcp/contrib/dhcp.spec
/usr/local/doc/dhcp/contrib/ms2isc/Registry.pm
/usr/local/doc/dhcp/contrib/ms2isc/ms2isc.pl
/usr/local/doc/dhcp/contrib/ms2isc/readme.txt
/usr/local/doc/dhcp/contrib/sethostname.sh
/usr/local/doc/dhcp/contrib/solaris.init
/usr/local/doc/dhcp/doc/IANA-arp-parameters
/usr/local/doc/dhcp/doc/api+protocol
/usr/local/doc/dhcp/doc/draft-ietf-dhc-authentication-14.txt
/usr/local/doc/dhcp/doc/draft-ietf-dhc-dhcp-dns-12.txt
/usr/local/doc/dhcp/doc/draft-ietf-dhc-failover-07.txt
/usr/local/doc/dhcp/doc/ja_JP.eucJP/dhclient-script.8
/usr/local/doc/dhcp/doc/ja_JP.eucJP/dhclient.8
/usr/local/doc/dhcp/doc/ja_JP.eucJP/dhclient.conf.5
/usr/local/doc/dhcp/doc/ja_JP.eucJP/dhclient.leases.5
/usr/local/doc/dhcp/doc/ja_JP.eucJP/dhcp-eval.5
/usr/local/doc/dhcp/doc/ja_JP.eucJP/dhcp-options.5
/usr/local/doc/dhcp/doc/rfc1542.txt
/usr/local/doc/dhcp/doc/rfc2131.txt
/usr/local/doc/dhcp/doc/rfc2132.txt
/usr/local/doc/dhcp/doc/rfc2485.txt
/usr/local/doc/dhcp/doc/rfc2489.txt
/usr/local/doc/dhcp/doc/rfc951.txt
/usr/local/doc/dhcp/site.conf
/usr/local/include/dhcpctl.h
/usr/local/include/isc-dhcp/boolean.h
/usr/local/include/isc-dhcp/dst.h
/usr/local/include/isc-dhcp/int.h
/usr/local/include/isc-dhcp/lang.h
/usr/local/include/isc-dhcp/list.h
/usr/local/include/isc-dhcp/result.h
/usr/local/include/isc-dhcp/types.h
/usr/local/include/omapip/alloc.h
/usr/local/include/omapip/buffer.h
/usr/local/include/omapip/omapip.h
/usr/local/lib/libdhcpctl.a
/usr/local/lib/libomapi.a
/usr/local/man/man1/omshell.1
/usr/local/man/man1m/dhclient-script.1m
/usr/local/man/man1m/dhclient.1m
/usr/local/man/man1m/dhcpd.1m
/usr/local/man/man1m/dhcrelay.1m
/usr/local/man/man3/dhcpctl.3
/usr/local/man/man3/omapi.3
/usr/local/man/man3/omshell.3
/usr/local/man/man4/dhclient.conf.4
/usr/local/man/man4/dhclient.leases.4
/usr/local/man/man4/dhcp-eval.4
/usr/local/man/man4/dhcp-options.4
/usr/local/man/man4/dhcpd.conf.4
/usr/local/man/man4/dhcpd.leases.4
/usr/local/sbin/dhclient
/usr/local/sbin/dhclient-script
/usr/local/sbin/dhcpd
/usr/local/sbin/dhcrelay
[ verifying class ]

Installation of was successful.

root@KHXDNSS1:/opt/SW_Package
18ksh# pkginfo |grep dhcp
application SMCdhcp dhcp

root@KHXDNSS1:/opt/SW_Package
裝完，先直接跑跑看囉，這裡我先把舊的設定檔放到 /etc/dhcpd.conf，另外我指定把ip租借表寫到 /var/dhcpd/dhcpd.leases 去：
26ksh# /usr/local/sbin/dhcpd -d -cf /etc/dhcpd.conf -lf /var/dhcpd/dhcpd.leases &
[1] 3566

root@KHXDNSS1:/opt/SW_Package
開始執行之後自然有 log 出現：
27ksh# Internet Systems Consortium DHCP Server V3.0.5
Copyright 2004-2006 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/
WARNING: Host declarations are global. They are not limited to the scope you declared them in.
Wrote 0 deleted host decls to leases file.
Wrote 0 new dynamic host decls to leases file.
Wrote 0 leases to leases file.
Listening on DLPI/bge0/00:14:4f:a9:83:50/cluster
Sending on DLPI/bge0/00:14:4f:a9:83:50/cluster
Sending on Socket/fallback/fallback-net
27ksh# ps -aef |grep dhcp
root 3566 3497 0 15:18:11 pts/3 0:00 /usr/local/sbin/dhcpd -d -cf /etc/dhcpd.conf -lf /var/dhcpd/dhcpd.leases

root@KHXDNSS1:/root
嗯，看來這次跑起ok了～

不過，在 Solaris 10 上已經用 SMF服務命令行管理工具來進行系統服務管理了，但，現在這新開張的 isc-dhcp 倒是還沒納入管理，雖說也可寫個 /etc/rc2.d/S97dhcpd 之類的給他自己跑，不過對管理上總是不合規矩，還是讓他也統一吧。

簡單的說就是先寫一個 isc-dhcp 專用的 xml 檔，這裡我們就 vi 一個 isc-dhcp.xml 如下：
28ksh# vi /var/svc/manifest/network/isc-dhcp.xml
接著我們 vi 一個 service 執行用的簡單 shell script 叫做 /usr/sbin/startdhcp.sh，這個在剛剛的 xml 裡面有定義到：
30ksh# cat /usr/sbin/startdhcp.sh
#!/sbin/sh -x

if [ ! -f /usr/local/sbin/dhcpd ]
then
echo "/usr/local/sbin/dhcpd does not exist"
exit 1
fi

/usr/local/sbin/dhcpd -d -cf /etc/dhcpd.conf -lf /var/dhcpd/dhcpd.leases&
這裡做完之後記得最後一個步驟就是：
32ksh# svccfg import /var/svc/manifest/network/isc-dhcp.xml
這樣就可以用 svcs -a 去查詢服務的狀態，用 svcadm 去啟動或是停止 isc-dhcp 的服務了：
33ksh# svcs -a|grep dhcp
disabled 16:34:28 svc:/network/dhcp-server:default
disabled 18:07:07 svc:/network/isc-dhcp:default
23ksh# svcadm enable isc-dhcp

root@KHXDNSS1:/root
24ksh# svcs -a|grep dhcp
disabled 16:34:28 svc:/network/dhcp-server:default
offline 18:10:23 svc:/network/isc-dhcp:default

root@KHXDNSS1:/root
看起來仍有些問題，那就用 -x 或 -v 的選項來看看問題出在哪吧：
37ksh# svcs -x isc-dhcp
svc:/network/isc-dhcp:default (DHCP server)
State: offline since Wed Apr 01 18:10:23 2009
Reason: Service svc:/milestone/multi-user:default
is not running because a method failed.
See: http://sun.com/msg/SMF-8000-GE
See: in.dhcpd(1M)
Impact: 2 dependent services are not running. (Use -v for list.)

root@KHXDNSS1:/root
38ksh# svcs -xv isc-dhcp
svc:/network/isc-dhcp:default (DHCP server)
State: offline since Wed Apr 01 18:10:23 2009
Reason: Service svc:/milestone/multi-user:default
is not running because a method failed.
See: http://sun.com/msg/SMF-8000-GE
Path: svc:/network/isc-dhcp:default
svc:/milestone/multi-user:default
See: man -M /usr/share/man -s 1M in.dhcpd
Impact: 2 dependent services are not running:
svc:/milestone/multi-user-server:default
svc:/system/zones:default

root@KHXDNSS1:/root
看的出來是 svc:/milestone/multi-user:default 的影響，這裡用另一個選項 -d 來看看有沒有 dependent services：
39ksh# svcs -v isc-dhcp
STATE NSTATE STIME CTID FMRI
offline - 18:10:23 - svc:/network/isc-dhcp:default

root@KHXDNSS1:/root
40ksh# svcs -d isc-dhcp
STATE STIME FMRI
maintenance 17:04:47 svc:/milestone/multi-user:default

root@KHXDNSS1:/root
原來 svc:/milestone/multi-user:default 在 maintenance mode 啊，那就先把他給重啟好了：
41ksh# svcadm disable svc:/milestone/multi-user:default

root@KHXDNSS1:/root
42ksh# svcs -d isc-dhcp
STATE STIME FMRI
disabled 18:19:43 svc:/milestone/multi-user:default

root@KHXDNSS1:/root
43ksh# svcadm enable svc:/milestone/multi-user:default

root@KHXDNSS1:/root
44ksh# svcs -d isc-dhcp
STATE STIME FMRI
online 18:19:55 svc:/milestone/multi-user:default
好了，svc:/milestone/multi-user:default 已經正常跑起來了，再查看一下 isc-dhcp 看看：
45ksh# svcs -x isc-dhcp
svc:/network/isc-dhcp:default (DHCP server)
State: maintenance since Wed Apr 01 18:19:57 2009
Reason: Restarting too quickly.
See: http://sun.com/msg/SMF-8000-L5
See: in.dhcpd(1M)
See: /var/svc/log/network-isc-dhcp:default.log
Impact: This service is not running.

root@KHXDNSS1:/root
現在沒別的因素在影響了，也重啟一下isc-dhcp 吧：
46ksh# ps -aef |grep dhcp

root@KHXDNSS1:/root
47ksh# svcs -a|grep isc-dhcp
maintenance 18:19:57 svc:/network/isc-dhcp:default

root@KHXDNSS1:/root
48ksh# svcadm disable isc-dhcp

root@KHXDNSS1:/root
49ksh# svcs -a|grep isc-dhcp
disabled 18:21:11 svc:/network/isc-dhcp:default

root@KHXDNSS1:/root
50ksh# svcadm enable isc-dhcp

root@KHXDNSS1:/root
51ksh# svcs -a|grep isc-dhcp
online 18:21:18 svc:/network/isc-dhcp:default

root@KHXDNSS1:/root
52ksh# ps -aef |grep dhcp
root 1101 1 0 18:21:19 ? 0:00 /usr/local/sbin/dhcpd -d -cf /etc/dhcpd.conf -lf /var/dhcpd/dhcpd.leases

root@KHXDNSS1:/root
53ksh# svcs -x isc-dhcp
svc:/network/isc-dhcp:default (DHCP server)
State: online since Wed Apr 01 18:21:18 2009
See: in.dhcpd(1M)
See: /var/svc/log/network-isc-dhcp:default.log
Impact: None.

root@KHXDNSS1:/root
54ksh# svcs -v isc-dhcp
STATE NSTATE STIME CTID FMRI
online - 18:21:18 106 svc:/network/isc-dhcp:default

root@KHXDNSS1:/root
55ksh# svcs -xv isc-dhcp
svc:/network/isc-dhcp:default (DHCP server)
State: online since Wed Apr 01 18:21:18 2009
See: man -M /usr/share/man -s 1M in.dhcpd
See: /var/svc/log/network-isc-dhcp:default.log
Impact: None.

root@KHXDNSS1:/root
56ksh# svcs -d isc-dhcp
STATE STIME FMRI
online 18:19:55 svc:/milestone/multi-user:default

root@KHXDNSS1:/root
現在一切都正常了，做個測試看看能不能正常派發 IP 吧：
57ksh# tail -f /var/svc/log/network-isc-dhcp:default.log
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/
WARNING: Host declarations are global. They are not limited to the scope you declared them in.
Wrote 0 deleted host decls to leases file.
Wrote 0 new dynamic host decls to leases file.
Wrote 0 leases to leases file.
[ Apr 1 18:21:18 Method "start" exited with status 0 ]
Listening on DLPI/bge0/00:14:4f:a9:83:50/cluster
Sending on DLPI/bge0/00:14:4f:a9:83:50/cluster
Sending on Socket/fallback/fallback-net

DHCPDISCOVER from 00:11:3f:c1:5a:ac via 10.71.252.254
DHCPOFFER on 10.71.252.13 to 00:11:3f:c1:5a:ac via 10.71.252.254
DHCPREQUEST for 10.71.252.13 (10.17.25.22) from 00:11:3f:c1:5a:ac via 10.71.252.254
DHCPACK on 10.71.252.13 to 00:11:3f:c1:5a:ac via 10.71.252.254

DHCPDISCOVER from 00:11:3f:c1:5a:ae via 10.71.252.254
DHCPOFFER on 10.71.252.14 to 00:11:3f:c1:5a:ae via 10.71.252.254
DHCPREQUEST for 10.71.252.14 (10.17.25.22) from 00:11:3f:c1:5a:ae via 10.71.252.254
DHCPACK on 10.71.252.14 to 00:11:3f:c1:5a:ae via 10.71.252.254
^C
root@KHXDNSS1:/root
OK，看來都沒問題了，搞定收工～
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