{"id":1404,"date":"2012-01-15T11:55:54","date_gmt":"2012-01-15T11:55:54","guid":{"rendered":"http:\/\/mccltd.net\/blog\/?page_id=1404"},"modified":"2012-08-30T11:10:33","modified_gmt":"2012-08-30T10:10:33","slug":"install-tftp-server-on-centos","status":"publish","type":"page","link":"http:\/\/darenmatthews.com\/blog\/?page_id=1404","title":{"rendered":"Install TFTP server on CentOS"},"content":{"rendered":"

root@shimla ~]# rpm -q tftp-server
\npackage tftp-server is not installed
\n[root@shimla ~]#
\n
\n[root@shimla ~]# yum install tftp-server
\nLoaded plugins: fastestmirror
\nLoading mirror speeds from cached hostfile
\n* base: mirror01.th.ifl.net
\n* elrepo: elrepo.reloumirrors.net
\n* extras: mirror01.th.ifl.net
\n* rpmforge: ftp-stud.fht-esslingen.de
\n* updates: mirror01.th.ifl.net
\nSetting up Install Process
\nResolving Dependencies
\n–> Running transaction check
\n—> Package tftp-server.x86_64 0:0.49-2.el5.centos set to be updated
\n–> Finished Dependency Resolution
\n[snip]<\/p>\n

Installed:
\ntftp-server.x86_64 0:0.49-2.el5.centos<\/p>\n

Complete!
\n[root@shimla ~]#<\/p>\n

check to see if I also need to get xinetd:<\/p>\n

[root@shimla ~]# rpm -q xinetd
\nxinetd-2.3.14-13.el5
\n[root@shimla ~]#<\/p>\n

no I do not.<\/p>\n

turn ’em on:
\n[root@shimla ~]# chkconfig xinetd on
\n[root@shimla ~]# chkconfig tftp on
\n[root@shimla ~]#<\/p>\n

[root@shimla ~]# chmod 777 \/tftpboot
\n[root@shimla ~]#<\/p>\n

[root@shimla ~]# ls -l \/tftpboot\/
\ntotal 0
\n[root@shimla ~]#<\/p>\n

[root@shimla tftpboot]# \/sbin\/chkconfig –level 345 xinetd on
\n[root@shimla tftpboot]# \/sbin\/chkconfig –level 345 tftp on
\n[root@shimla tftpboot]#<\/p>\n

[root@shimla tftpboot]# \/sbin\/chkconfig –list | grep tftp
\ntftp:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 on
\n[root@shimla tftpboot]# \/sbin\/chkconfig –list | grep xinetd
\nxinetd\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0:off\u00a0\u00a0 1:off\u00a0\u00a0 2:on\u00a0\u00a0\u00a0 3:on\u00a0\u00a0\u00a0 4:on\u00a0\u00a0\u00a0 5:on\u00a0\u00a0\u00a0 6:off
\nxinetd based services:
\n[root@shimla tftpboot]#<\/p>\n

test (after having placed some Cisco phone boot files in \/tftpboot which it requires to download it’s config.\u00a0 See entry in DHCP server setup here: http:\/\/darenmatthews.com\/blog\/?page_id=1397<\/a> )<\/p>\n

[root@shimla tftpboot]# tcpdump -i eth0 port bootpc and\u00a0 port bootps
\ntcpdump: verbose output suppressed, use -v or -vv for full protocol decode
\nlistening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes
\n11:54:55.434688 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP\/DHCP, Request from 00:0c:30:f0:24:f1 (oui Unknown), length: 326
\n11:54:55.442409 IP 10.10.0.102.bootps > 255.255.255.255.bootpc: BOOTP\/DHCP, Reply, length: 300
\n11:55:13.579211 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP\/DHCP, Request from 00:0c:30:f0:24:f1 (oui Unknown), length: 326
\n11:55:13.588479 IP 10.10.0.102.bootps > 255.255.255.255.bootpc: BOOTP\/DHCP, Reply, length: 300<\/p>\n

4 packets captured
\n4 packets received by filter
\n0 packets dropped by kernel
\n[root@shimla tftpboot]#<\/p>\n

listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes<\/p>\n

now check for tftp packets:<\/p>\n

[root@shimla tftpboot]# tcpdump -i eth0 port tftp
\ntcpdump: verbose output suppressed, use -v or -vv for full protocol decode
\nlistening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes<\/p>\n

0 packets captured
\n0 packets received by filter
\n0 packets dropped by kernel
\n[root@shimla tftpboot]#<\/p>\n

NONE seen!\u00a0 So restart dhcp daemon and check the tftp address in dhcp server options is correct:<\/p>\n

[root@shimla tftpboot]# service dhcpd force-reload
\nShutting down dhcpd:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 [\u00a0 OK\u00a0 ]
\nStarting dhcpd:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 [\u00a0 OK\u00a0 ]<\/p>\n

check dhcp configuration:<\/p>\n

[root@shimla tftpboot]# cat \/etc\/dhcpd.conf<\/p>\n

ddns-update-style interim;
\nignore client-updates;<\/p>\n

option voip-tftp-servers code 150 = ip-address;
\noption voip-tftp-servers 10.10.0.102;<\/p>\n

subnet 10.10.0.0 netmask 255.255.0.0 {
\noption routers\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 10.10.0.254;
\noption subnet-mask\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 255.255.0.0;
\noption nis-domain\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 “”;
\noption domain-name\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 “”;
\noption domain-name-servers\u00a0\u00a0\u00a0\u00a0\u00a0 10.10.0.254;
\noption ntp-servers\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 10.10.0.254;
\noption tftp-server-name\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 “10.10.0.102”;
\nrange dynamic-bootp 10.10.0.150 10.10.0.175;
\ndefault-lease-time 3600;
\nmax-lease-time 7200;
\n}
\n[root@shimla tftpboot]# ifconfig eth0
\neth0\u00a0\u00a0\u00a0\u00a0\u00a0 Link encap:Ethernet\u00a0 HWaddr 00:30:48:BB:05:02
\ninet addr:10.10.0.102\u00a0 Bcast:10.10.255.255\u00a0 Mask:255.255.0.0
\ninet6 addr: fe80::230:48ff:febb:502\/64 Scope:Link
\nUP BROADCAST RUNNING MULTICAST\u00a0 MTU:1500\u00a0 Metric:1
\nRX packets:31055 errors:0 dropped:0 overruns:0 frame:0
\nTX packets:23123 errors:0 dropped:0 overruns:0 carrier:0
\ncollisions:0 txqueuelen:0
\nRX bytes:23586753 (22.4 MiB)\u00a0 TX bytes:7850798 (7.4 MiB)<\/p>\n

[root@shimla tftpboot]# tcpdump -i eth0 port tftp
\ntcpdump: verbose output suppressed, use -v or -vv for full protocol decode
\nlistening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes
\n12:08:43.679759 IP 10.10.0.175.51599 > 10.10.0.102.tftp:\u00a0 31 RRQ “CTLSEP000C30F024F1.tlv” octet
\n12:08:43.705933 IP 10.10.0.175.51600 > 10.10.0.102.tftp:\u00a0 32 RRQ “SEP000C30F024F1.cnf.xml” octet
\n12:08:43.754185 IP 10.10.0.175.51601 > 10.10.0.102.tftp:\u00a0 27 RRQ “P0S3-08-9-00.loads” octet
\n12:09:08.307210 IP 10.10.0.175.51157 > 10.10.0.102.tftp:\u00a0 23 RRQ “SIPDefault.cnf” octet
\n12:09:08.486613 IP 10.10.0.175.51158 > 10.10.0.102.tftp:\u00a0 28 RRQ “SIP000C30F024F1.cnf” octet
\n12:09:11.713650 IP 10.10.0.175.51166 > 10.10.0.102.tftp:\u00a0 21 RRQ “RINGLIST.DAT” octet
\n12:09:11.721711 IP 10.10.0.175.51167 > 10.10.0.102.tftp:\u00a0 21 RRQ “dialplan.xml” octet<\/p>\n

7 packets captured
\n7 packets received by filter
\n0 packets dropped by kernel
\n[root@shimla tftpboot]#<\/p>\n

Success – and Cisco phone registered to Elastix PBX.<\/p>\n","protected":false},"excerpt":{"rendered":"

root@shimla ~]# rpm -q tftp-server package tftp-server is not installed [root@shimla ~]#<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1395,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":[],"_links":{"self":[{"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=\/wp\/v2\/pages\/1404"}],"collection":[{"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1404"}],"version-history":[{"count":7,"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=\/wp\/v2\/pages\/1404\/revisions"}],"predecessor-version":[{"id":1408,"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=\/wp\/v2\/pages\/1404\/revisions\/1408"}],"up":[{"embeddable":true,"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=\/wp\/v2\/pages\/1395"}],"wp:attachment":[{"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}