Hello Experts,
I'm trying to boot my AIX server via network using another AIX as a boot server. I use tcpdump to monitor the process. After my boot client received .info file and mounted nfs resource (checked by 'showmount -a' from boot server) it hung. I noticed a lot of following entries:
Code:
11:28:52.078893 IP (tos 0x0, ttl 60, id 55081, offset 0, flags [DF], length: 152) 10.3.121.66.1356698857 > 10.3.121.40.2049: 112 getattr [|nfs]
11:28:52.079192 IP (tos 0x0, ttl 60, id 55082, offset 0, flags [DF], length: 152) 10.3.121.66.1356698858 > 10.3.121.40.2049: 112 getattr [|nfs]
11:28:52.089877 IP (tos 0x0, ttl 60, id 55083, offset 0, flags [DF], length: 152) 10.3.121.66.1356698859 > 10.3.121.40.2049: 112 getattr [|nfs]
11:28:52.091572 IP (tos 0x0, ttl 60, id 55084, offset 0, flags [DF], length: 152) 10.3.121.66.1356698860 > 10.3.121.40.2049: 112 getattr [|nfs]
11:28:52.091873 IP (tos 0x0, ttl 60, id 55085, offset 0, flags [DF], length: 152) 10.3.121.66.1356698861 > 10.3.121.40.2049: 112 getattr [|nfs]
11:28:52.145286 IP (tos 0x0, ttl 60, id 55086, offset 0, flags [DF], length: 40) 10.3.121.66.32768 > 10.3.121.40.2049: . [tcp sum ok] ack 307169 win 65535
11:31:14.541797 IP (tos 0x0, ttl 60, id 56396, offset 0, flags [DF], length: 152) 10.3.121.66.1356699988 > 10.3.121.40.2049: 112 getattr [|nfs]
11:31:14.557572 IP (tos 0x0, ttl 60, id 56397, offset 0, flags [DF], length: 40) 10.3.121.66.32768 > 10.3.121.40.2049: . [tcp sum ok] ack 437901 win 65535
Any suggestion? What do these entries mean?
regards,
Jarek
Last edited by zaxxon; 02-23-2010 at 12:42 PM..
Reason: use code tags please, ty
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LEARN ABOUT CENTOS
packet.pkt
PACKET.PKT(1) packet.pkt 1.0.1 PACKET.PKT(1)NAME
packet.pkt - Pkt module
DESCRIPTION
Provides the object for a packet and the string representation of the packet. This object has an attribute for each of the layers in the
packet so each layer can be accessed directly instead of going through each layer. To access the nfs layer object you can use 'x.nfs'
instead of using 'x.ethernet.ip.tcp.rpc.nfs' which would very cumbersome to use. Also, since NFS can be used with either TCP or UDP it
would be harder to to access the nfs object independently or the protocol.
Packet object attributes:
Pkt(
record = Record information (frame number, etc.)
ethernet = ETHERNET II (RFC 894) object
ip = IPv4 object
tcp = TCP object
rpc = RPC object
nfs = NFS object
)
CLASSES
class Pkt(baseobj.BaseObj)
Packet object
Usage:
from packet.pkt import Pkt
x = Pkt()
Methods defined here:
---------------------
__str__(self)
String representation of object
The representation depends on the verbose level set by debug_repr(). If set to 0 the generic object representation is returned. If
set to 1 the representation of is condensed into a single line. It contains, the frame number, IP source and destination and/or the
last layer:
'1 0.386615 192.168.0.62 -> 192.168.0.17 TCP 2049 -> 708, seq: 3395733180, ack: 3294169773, ACK,SYN'
'5 0.530957 00:0c:29:54:09:ef -> ff:ff:ff:ff:ff:ff, type: 0x806'
'19 0.434370 192.168.0.17 -> 192.168.0.62 NFS v4 COMPOUND4 call SEQUENCE;PUTFH;GETATTR'
If set to 2 the representation of the object is a line for each layer:
'Pkt(
RECORD: frame 19 @ 0.434370 secs, 238 bytes on wire, 238 bytes captured
ETHERNET: 00:0c:29:54:09:ef -> e4:ce:8f:58:9f:f4, type: 0x800(IPv4)
IP: 192.168.0.17 -> 192.168.0.62, protocol: 6(TCP), len: 224
TCP: src port 708 -> dst port 2049, seq: 3294170673, ack: 3395734137, len: 172, flags: ACK,PSH
RPC: CALL(0), program: 100003, version: 4, procedure: 1, xid: 0x1437d3d5
NFS: COMPOUND4args(tag='', minorversion=1, argarray=[nfs_argop4(argop=OP_SEQUENCE, ...), ...])
)'
SEE ALSO baseobj(1)BUGS
No known bugs.
AUTHOR
Jorge Mora (mora@netapp.com)
NFStest 1.0.2 10 April 2013 PACKET.PKT(1)