search for: c0a8

...168.1.10.bootpc: xid:0x40ab183f flags:0x8000 Y:192.168.1.10 S:192.168.1.1 sname "xserve" vend-rfc1048 DHCP:OFFER SID:192.168.1.1 LT:3564 SM:255.255.255.0 DG:192.168.1.1 NS:192.168.1.1 DN:"" BF:"/private/tftpboot/pxelinux.0" 0x0000 4500 014e e4d4 0000 ff11 526e c0a8 0101 E..N......Rn.... 0x0010 c0a8 010a 0043 0044 013a d8c0 0201 0600 .....C.D.:...... 0x0020 40ab 183f 0000 8000 0000 0000 c0a8 010a @..?............ 0x0030 c0a8 0101 0000 0000 0002 3fab 183f 0000 ..........?..?.. 0x0040 0000 0000 0000 0000 7873 6572 7665 0000...

...ance to open a good bug report. I collected a tcpdump of a failed connection (slightly edited to remove real domain name): 10:11:49.338675 IP 192.168.193.50.1083 > 192.168.193.11.139: P 2886167783:2886168023(240) ack 1982778445 win 65311 NBT Packet 0x0000: 4500 0118 8f86 4000 8006 66ca c0a8 c132 E.....@...f....2 0x0010: c0a8 c10b 043b 008b ac07 6ce7 762e cc4d .....;....l.v..M 0x0020: 5018 ff1f 5af1 0000 0000 00ec ff53 4d42 P...Z........SMB 0x0030: 7300 0000 0018 07c8 0000 0000 0000 0000 s............... 0x0040: 0000 0000 0000 fffe 0000 c151 0cff 00e...

...4 result: 0 Success # numResponses: 5 # numEntries: 1 # numReferences: 3 (**) 16:37:05.449545 IP 192.168.56.33.49418 > 192.168.56.32.389: Flags [S], seq 1115242950, win 29200, options [mss 1460,sackOK,TS val 5433953 ecr 0,nop,wscale 7], length 0 0x0000: 4500 003c aba7 4000 4006 9d82 c0a8 3821 E..<.. at .@.....8! 0x0010: c0a8 3820 c10a 0185 4279 41c6 0000 0000 ..8.....ByA..... 0x0020: a002 7210 f1c0 0000 0204 05b4 0402 080a ..r............. 0x0030: 0052 ea61 0000 0000 0103 0307 .R.a........ 16:37:05.449634 IP 192.168.56.32.389 > 192.168.56.33.49418: Flags [S....

...D = 100 MID = 35329 Word Count = 15 smbvwv[]= Com2=0xFF Off2=0 Flags=0x7 Mode=0xC0 SearchAttrib=HIDDEN SYSTEM DIR Attrib= Time=Wed Dec 31 17:59:59 1969 OFun=0x1 Size=0 TimeOut=0 Res=0x0 smbbuf[]= Path=\COMM.INF (DF) 4500 0077 0318 4000 2006 d293 c0a8 0284 c0a8 0101 0417 008b 1059 65a3 d45d ee3d 5018 1fac 9a5a 0000 0000 004b ff53 4d42 2d00 0000 0000 0000 0000 0000 0000 0000 0000 0000 0100 8518 6400 018a 0fff 0000 0007 00c0...

...--------------------- tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes 08:42:49.286701 IP devcentos64.msgnet.com.36 > 255.255.255.255.36: UDP, length 20 0x0000: 4500 0030 0000 4000 4011 790b c0a8 010a E..0.. at .@.y..... 0x0010: ffff ffff 0024 0024 001c ca61 4321 3039 .....$.$...aC!09 0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................ 08:42:49.286976 IP ecov132.msgnet.com.36 > devcentos64.msgnet.com.36: UDP, length 20 0x0000: 4500 0030 03c2 00...

...potential solution? Thank you for any input anyone might be able to provide, Adrian attached packet dump: reading from file badtftp.pcap, link-type EN10MB (Ethernet) 03:13:35.403923 arp reply 192.168.1.20 is-at 00:13:d4:2a:60:c3 (oui Unknown) 0x0000: 0001 0800 0604 0002 0013 d42a 60c3 c0a8 ...........*`... 0x0010: 0114 001a 9244 bed1 c0a8 0117 .....D...... 03:13:35.404007 IP (tos 0x0, ttl 20, id 2, offset 0, flags [none], proto: UDP (17), length: 78) 192.168.1.23.2070 > 192.168.1.20.tftp: [udp sum ok] 50 RRQ "/debian-installer/ia64/elilo.efiM-^?" o...

...from tcpdump that some of the > exchange is not encrypted: > > 15:14:32.809585 IP 192.168.56.32.389 > 192.168.56.33.50240: Flags > [P.], seq 459:680, ack 2989, win 290, options [nop,nop,TS val > 13587257 ecr 13587256], length 221 > 0x0000: 4500 0111 2bcf 4000 4006 1c86 c0a8 3820 E...+. at .@.....8. > 0x0010: c0a8 3821 0185 c440 f9d9 7ac4 29f0 2953 ..8!... at ..z.).)S > 0x0020: 8018 0122 f295 0000 0101 080a 00cf 5339 ..."..........S9 > 0x0030: 00cf 5338 0000 00d9 0504 05ff 000c 000c ..S8............ > 0x0040: 0000 0000 142f 5669...

In usr/src/uts/common/xen/io/xnbu.c, function xnbu_cksum_from_peer() http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/uts/common/xen/io/xnbu.c#110 we have this: if ((flags & NETTXF_csum_blank) != 0) { /* * The checksum is blank. We must fill it in here. */ mp = xnb_process_cksum_flags(xnbp, mp, 0);

I downloaded nilo and oskit from www.nilo.org. Added pcnet32.c linux-2.0.39 driver to oskit. Compiled nilo with pcnet32 and produced boot floppy image. Use it inside vmware vm. My aim is to be able to test pxelinux using vmware+nilo and not a real machine. Floppy starts, detects nic, receives ip from dhcp server, requests boot image to tftpd-hpa, then crashes when talking to tftp. Is

...fset 0, flags [DF], length: 60) 192.168.0.150.35238 > 65.40.217.150.443: S [tcp sum ok] 353484362:353484362(0) win 5840 <mss 1460,sackOK,timestamp 3624012786 0,nop,wscale 2> 0x0000: 0000 f4c3 9dac 0011 43fd 4dca 0800 4500 ........C.M...E. 0x0010: 003c b5b8 4000 4006 a906 c0a8 0096 4128 .<..@.@.......A( 0x0020: d996 89a6 01bb 1511 be4a 0000 0000 a002 .........J...... 0x0030: 16d0 1286 0000 0204 05b4 0402 080a d802 ................ 0x0040: 0bf2 0000 0000 0103 0302 .......... 09:07:03.607781 00:0f:b5:42:7f:aa > 00:02:3b:0...

...een using pxeboot to pull up a menu, to build or rebuild machines for years. We have this new server, and it fails. Times out. What's happening is that it tries in this order .../pxelinux.cfg/b8945908-d6a6-41a9-611d-74a6ab80b83d .../pxelinux.cfg/01-88-99-aa-bb-cc-dd .../pxelinux.cfg/C0A8025B .../pxelinux.cfg/C0A8025 .../pxelinux.cfg/C0A802 .../pxelinux.cfg/C0A80 .../pxelinux.cfg/C0A8 .../pxelinux.cfg/C0A .../pxelinux.cfg/C0 .../pxelinux.cfg/C .../pxelinux.cfg/default The first are MAC addresses, etc. I want it to pull default. It takes *minutes* to time out each op...

...:58:54 helium tftpd[3372617]: tftpd: trying to get file: /tftpboot/pxelinux.cfg/01-d8-9e-f3-13-22-18 Apr 2 19:59:08 helium tftpd[3372623]: tftpd: trying to get file: /tftpboot/pxelinux.cfg/01-d8-9e-f3-13-22-18 Apr 2 19:59:22 helium tftpd[3372626]: tftpd: trying to get file: /tftpboot/pxelinux.cfg/C0A81674 ..... Apr 2 20:01:08 helium tftpd[3372780]: tftpd: trying to get file: /tftpboot/pxelinux.cfg/C0A81674 Apr 2 20:01:22 helium tftpd[3372784]: tftpd: trying to get file: /tftpboot/pxelinux.cfg/C0A81674 Apr 2 20:01:36 helium tftpd[3372789]: tftpd: trying to get file: /tftpboot/pxelinux.cfg/C0A8...

...om the network. and i just do some experiment of reboot on the clients. but i am surprise of the clients booting failure after several cycles. and i got the info of the clients can not download the config file, such as: Trying to load: pxelinux.cfg/01-00-14-22-a1-53-85 Trying to load: pxelinux.cfg/C0A80146 Trying to load: pxelinux.cfg/C0A8014 Trying to load: pxelinux.cfg/C0A801 Trying to load: pxelinux.cfg/C0A80 Trying to load: pxelinux.cfg/C0A8 Trying to load: pxelinux.cfg/C0A Trying to load: pxelinux.cfg/C0 Trying to load: pxelinux.cfg/C Trying to load: pxelinux.cfg/default I am sure the file...

...D-BROADCAST IP: No options IP: UDP: ----- UDP Header ----- UDP: UDP: Source port = 57217 UDP: Destination port = 69 (TFTP) UDP: Length = 46 UDP: Checksum = 4CEB UDP: TFTP: ----- Trivial File Transfer Protocol ----- TFTP: TFTP: Opcode = 1 (read request) TFTP: File name = "pxelinux.cfg/C0A80104" TFTP: Transfer mode = octet 0: ffff ffff ffff 0030 4827 77c6 0800 4500 .......0H'w...E. 16: 0042 001d 0000 1411 e4e2 c0a8 0104 0000 .B.............. 32: 0000 df81 0045 002e 4ceb 0001 7078 656c .....E..L...pxel 48: 696e 7578 2e63 666...

...issue I noticed, the screen output gets garbled if the user has been "asked" to "Accept" the new hostkeys. Looks like the screen output is missing the CR's, and only LF's get presented. [root at be2 .ssh]# ssh be1 ls -l Warning: Permanently added 'be1,fec0::ffff:0:1:c0a8:415' (ECDSA) to the list of known hosts. total 12 -rw-r--r-- 1 root root 1829 Jan 23 17:43 authorized_keys -rw-r--r-- 1 root root 575 Jan 21 17:24 sshd.pam drwxr-xr-x 2 root root 4096 Feb 9 14:17 tmp [root at be2 .ssh]# ssh -o UpdateHostkeys=yes be1 ls -l Learned new hostkey: RSA SHA256:Alc8...

...9>. Mode octet [05/06 18:24:46.299] File <pxelinux.cfg\01-00-1e-68-a6-9e-a9> : error 2 in system call CreateFile Impossibile trovare il file specificato. [05/06 18:24:46.299] Connection received from 192.168.1.20 on port 57091 [05/06 18:24: 46.299] Read request for file <pxelinux.cfg/C0A80114>. Mode octet [05/06 18:24:46.299] File <pxelinux.cfg\C0A80114> : error 2 in system call CreateFile Impossibile trovare il file specificato. [05/06 18:24: 46.299] Connection received from 192.168.1.20 on port 57092 [05/06 18: 24:46.299] Read request for file <pxelinux.cfg/C0A8011&g...

...ill the case. It's clear from tcpdump that some of the exchange is not encrypted: 15:14:32.809585 IP 192.168.56.32.389 > 192.168.56.33.50240: Flags [P.], seq 459:680, ack 2989, win 290, options [nop,nop,TS val 13587257 ecr 13587256], length 221 0x0000: 4500 0111 2bcf 4000 4006 1c86 c0a8 3820 E...+. at .@.....8. 0x0010: c0a8 3821 0185 c440 f9d9 7ac4 29f0 2953 ..8!... at ..z.).)S 0x0020: 8018 0122 f295 0000 0101 080a 00cf 5339 ..."..........S9 0x0030: 00cf 5338 0000 00d9 0504 05ff 000c 000c ..S8............ 0x0040: 0000 0000 142f 5669 574f 3a0e e150 1889...

...access point behind NAT symptom: asterisk is sending rtp to the NAT address of the phone, e.g. 192.168.0.3 in skinny.conf, nat=yes is set for the context block of the phone. tcpdump of port 2000 reveals one packet after placing a call from the phone that includes the NAT ip address of the phone (c0a8 0003): 12:14:18.812960 IP (tos 0x0, ttl 50, id 16034, offset 0, flags [none], proto TCP (6), length 72) 71.215.193.161.1025 > 216.251.177.106.2000: Flags [P.], cksum 0x461d (correct), seq 148:180, ack 569, win 16384, length 32 0x0000: 4500 0048 3ea2 0000 3206 b62f 47d7 c1a1 E..H&gt...

...or rebuild >> machines for years. We have this new server, and it fails. Times out. >> What's happening is that it tries in this order >> .../pxelinux.cfg/b8945908-d6a6-41a9-611d-74a6ab80b83d >> .../pxelinux.cfg/01-88-99-aa-bb-cc-dd >> .../pxelinux.cfg/C0A8025B >> .../pxelinux.cfg/C0A8025 >> .../pxelinux.cfg/C0A802 >> .../pxelinux.cfg/C0A80 >> .../pxelinux.cfg/C0A8 >> .../pxelinux.cfg/C0A >> .../pxelinux.cfg/C0 >> .../pxelinux.cfg/C >> .../pxelinux.cfg/default >> >> The first...

...:03:37 atftpd[312]: Server thread exiting 13:03:37 atftpd[313]: Serving pxelinux.cfg/01-xx-xx-xx-xx-xx-xx to 192.168.1.67:49153 13:03:37 atftpd[313]: File /opt/tftpboot/pxelinux.cfg/01-xx-xx-xx-xx-xx-xx not found 13:03:37 atftpd[313]: Server thread exiting 13:03:37 atftpd[314]: Serving pxelinux.cfg/C0A80143 to 192.168.1.67:49154 13:03:37 atftpd[314]: File /opt/tftpboot/pxelinux.cfg/C0A80143 not found 13:03:37 atftpd[314]: Server thread exiting 13:03:37 atftpd[315]: Serving pxelinux.cfg/C0A8014 to 192.168.1.67:49155 13:03:37 atftpd[315]: File /opt/tftpboot/pxelinux.cfg/C0A8014 not found 13:03:37 at...