Messages in this thread | | | Subject | Re: Bug with netfilter and NFS server on same machine | From | Daniel Egger <> | Date | 24 Nov 2002 15:10:18 +0100 |
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Am Sam, 2002-11-23 um 19.37 schrieb Lars Knudsen:
> The problem is this: A machine running linux 2.4.18 or 2.4.19 works just > fine when running just the kernel nfsd. A single client connected to the > server with 100Mbit ethernet sees throughput of 5-10MByte/sec even after > an hour or two of continous transfers. If the nfs server is also running > iptables the throughput is initially the same (5-10MByte/sec) but after > a while (200MByte-500MByte total transfer) the client starts reporting > "nfs server not responding" followed after a while by "nfs server OK" > and of course the transfer rate goes way down (< 1MByte/sec). Using > tcpdump on the client seems to indicate that some packets have their > headers garbled - wrong fragment ids being the typical error.
Linux nicole 2.4.19-586tsc #1 Sun Oct 6 18:00:21 EST 2002 i586 unknown unknown GNU/Linux
egger@nicole:~$ sudo lsmod Module Size Used by Not tainted ipt_TOS 1016 12 (autoclean) ipt_MASQUERADE 1176 1 (autoclean) ipt_REDIRECT 728 1 (autoclean) ipt_REJECT 2776 4 (autoclean) ipt_LOG 3160 6 (autoclean) ipt_state 568 55 (autoclean) iptable_mangle 2100 1 (autoclean) ip_nat_irc 2288 0 (unused) ip_nat_ftp 2960 0 (unused) iptable_nat 13208 3 [ipt_MASQUERADE ipt_REDIRECT ip_nat_irc ip_nat_ftp] ip_conntrack_irc 2464 0 (unused) ip_conntrack_ftp 3200 0 (unused) ip_conntrack 13148 4 [ipt_MASQUERADE ipt_REDIRECT ipt_state ip_nat_irc ip_nat_ftp iptable_nat ip_conntrack_irc ip_conntrack_ftp] iptable_filter 1672 1 (autoclean) ip_tables 10488 11 [ipt_TOS ipt_MASQUERADE ipt_REDIRECT ipt_REJECT ipt_LOG ipt_state iptable_mangle iptable_nat iptable_filter] nfsd 65616 5 (autoclean) lockd 46864 1 (autoclean) [nfsd] sunrpc 57436 1 (autoclean) [nfsd lockd] af_packet 11656 1 (autoclean)
00:12.0 Ethernet controller: D-Link System Inc Sundance Ethernet Subsystem: D-Link System Inc Sundance Ethernet Flags: bus master, medium devsel, latency 64, IRQ 5 I/O ports at d800 [size=128] Memory at e2810000 (32-bit, non-prefetchable) [size=128] Expansion ROM at e1000000 [disabled] [size=64K] Capabilities: <available only to root>
No problems with NFS whatsoever. Gigabytes of traffic get from or to this machine without any lag. The firewall is rather restricted to the inside and NFS nailed to fixed ports.
-- Servus, Daniel [unhandled content-type:application/pgp-signature] | |