# NFS server error reply Unknown rpc response code with tcpdum **URL:** \ **Category:** SLES Networking\ **Created:** [October 2, 2012, 9:52am UTC](https://forums.suse.com/t/nfs-server-error-reply-unknown-rpc-response-code-with-tcpdum/23153 "2012-10-02T09:52:23Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![sled1983](https://avatars.discourse-cdn.com/v4/letter/s/53a042/32.png) [@sled1983](https://forums.suse.com/u/sled1983)\ **Post date:** [October 2, 2012, 9:52am UTC](https://forums.suse.com/t/nfs-server-error-reply-unknown-rpc-response-code-with-tcpdum/23153/1 "2012-10-02T09:52:23Z")
This is message log error with tcpdump on nfsserver1. (When access shared directory from nfs client) ```auto tcpdump host 192.168.11.6 | grep Unknown ``` [COLOR="#FF0000"]tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes 13:26:51.112207 IP nfsserver1.mydomain.nfs \> nfsclient1.mydomain.620826288: reply Unknown rpc response code=1406296840 4344 13:26:51.112218 IP nfsserver1.mydomain.nfs \> nfsclient1.mydomain.823880773: reply Unknown rpc response code=893448370 4344 13:26:51.112961 IP nfsserver1.mydomain.nfs \> nfsclient1.mydomain.620826288: reply Unknown rpc response code=1406296840 4344 13:26:51.112972 IP nfsserver1.mydomain.nfs \> nfsclient1.mydomain.823880773: reply Unknown rpc response code=893448370 4344[/COLOR] Some time nfs client is slow. [SIZE=4]How to monitoring and performance tuning.[/SIZE] [SIZE=4]nfsserver1[/SIZE] OS: SLES 11 (i586) Ethernet: 1Gigabit Networking with Gigabit switch. ```auto 26: PCI 200.0: 0200 Ethernet controller [Created at pci.318] UDI: /org/freedesktop/Hal/devices/pci_14e4_165a Unique ID: rBUF.DVt8QtXa57C Parent ID: gZD2.Ab1ekPN1fM5 SysFS ID: /devices/pci0000:00/0000:00:0b.0/0000:02:00.0 SysFS BusID: 0000:02:00.0 Hardware Class: network Model: "Broadcom NetXtreme BCM5722 Gigabit Ethernet PCI Express" Vendor: pci 0x14e4 "Broadcom" Device: pci 0x165a "NetXtreme BCM5722 Gigabit Ethernet PCI Express" SubVendor: pci 0x1028 "Dell" SubDevice: pci 0x0225 "PowerEdge T105 Broadcom NetXtreme 57xx" Driver: "tg3" Driver Modules: "tg3" Device File: eth0 Memory Range: 0xd0200000-0xd020ffff (rw,non-prefetchable) IRQ: 218 (17931568 events) HW Address: 00:26:b9:77:7a:c5 Link detected: yes Module Alias: "pci:v000014E4d0000165Asv00001028sd00000225bc02sc00i00" Driver Info #0: Driver Status: tg3 is active Driver Activation Cmd: "modprobe tg3" Config Status: cfg=no, avail=yes, need=no, active=unknown Attached to: #16 (PCI bridge) ``` NFS version: nfs-client-1.1.3-19.2.1 nfs-kernel-server-1.1.3-19.2.1 NFS Status: ```auto nfsstat -s Server rpc stats: calls badcalls badauth badclnt xdrcall 1555921 0 0 0 0 Server nfs v3: null getattr setattr lookup access readlink 11 0% 168367 10% 19709 1% 52648 3% 103970 6% 52 0% read write create mkdir symlink mknod 599210 38% 414964 26% 12523 0% 1931 0% 83 0% 0 0% remove rmdir rename link readdir readdirplus 4640 0% 144 0% 5934 0% 497 0% 89 0% 4801 0% fsstat fsinfo pathconf commit 59892 3% 14 0% 7 0% 102519 6% ``` Network Status: ```auto netstat -i Kernel Interface table Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg eth0 1500 018326204 0 0 018662390 0 0 0 BMRU lo 16436 0 26829 0 0 0 26829 0 0 0 LRU ``` [SIZE=4]nfsclient1 (Linux terminal)[/SIZE] OS: SLED 11 SP1 (x86\_64) Ethernet: 1Gigabit Users running on this machine around 20 users to used shared data. NFS version: nfs-client-1.2.1-2.24.1 nfs-kernel-server-1.2.1-2.24.1 NFS Status: ```auto nfsstat -c Client rpc stats: calls retrans authrefrsh 1455064 0 0 Client nfs v3: null getattr setattr lookup access readlink 0 0% 146686 10% 17582 1% 45519 3% 88724 6% 46 0% read write create mkdir symlink mknod 580910 39% 388314 26% 11568 0% 1894 0% 83 0% 0 0% remove rmdir rename link readdir readdirplus 3892 0% 101 0% 5778 0% 410 0% 19 0% 3853 0% fsstat fsinfo pathconf commit 55604 3% 4 0% 2 0% 104074 7% ``` Thanks, ---
**Author:** ![sled1983](https://avatars.discourse-cdn.com/v4/letter/s/53a042/32.png) [@sled1983](https://forums.suse.com/u/sled1983)\ **Post date:** [October 7, 2012, 2:12pm UTC](https://forums.suse.com/t/nfs-server-error-reply-unknown-rpc-response-code-with-tcpdum/23153/2 "2012-10-07T14:12:00Z")
[QUOTE=sled1983;9239]This is message log error with tcpdump on nfsserver1. (When access shared directory from nfs client) ```auto tcpdump host 192.168.11.6 | grep Unknown ``` [COLOR="#FF0000"]tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes 13:26:51.112207 IP nfsserver1.mydomain.nfs \> nfsclient1.mydomain.620826288: reply Unknown rpc response code=1406296840 4344 13:26:51.112218 IP nfsserver1.mydomain.nfs \> nfsclient1.mydomain.823880773: reply Unknown rpc response code=893448370 4344 13:26:51.112961 IP nfsserver1.mydomain.nfs \> nfsclient1.mydomain.620826288: reply Unknown rpc response code=1406296840 4344 13:26:51.112972 IP nfsserver1.mydomain.nfs \> nfsclient1.mydomain.823880773: reply Unknown rpc response code=893448370 4344[/COLOR] Some time nfs client is slow. [SIZE=4]How to monitoring and performance tuning.[/SIZE] [SIZE=4]nfsserver1[/SIZE] OS: SLES 11 (i586) Ethernet: 1Gigabit Networking with Gigabit switch. ```auto 26: PCI 200.0: 0200 Ethernet controller [Created at pci.318] UDI: /org/freedesktop/Hal/devices/pci_14e4_165a Unique ID: rBUF.DVt8QtXa57C Parent ID: gZD2.Ab1ekPN1fM5 SysFS ID: /devices/pci0000:00/0000:00:0b.0/0000:02:00.0 SysFS BusID: 0000:02:00.0 Hardware Class: network Model: "Broadcom NetXtreme BCM5722 Gigabit Ethernet PCI Express" Vendor: pci 0x14e4 "Broadcom" Device: pci 0x165a "NetXtreme BCM5722 Gigabit Ethernet PCI Express" SubVendor: pci 0x1028 "Dell" SubDevice: pci 0x0225 "PowerEdge T105 Broadcom NetXtreme 57xx" Driver: "tg3" Driver Modules: "tg3" Device File: eth0 Memory Range: 0xd0200000-0xd020ffff (rw,non-prefetchable) IRQ: 218 (17931568 events) HW Address: 00:26:b9:77:7a:c5 Link detected: yes Module Alias: "pci:v000014E4d0000165Asv00001028sd00000225bc02sc00i00" Driver Info #0: Driver Status: tg3 is active Driver Activation Cmd: "modprobe tg3" Config Status: cfg=no, avail=yes, need=no, active=unknown Attached to: #16 (PCI bridge) ``` NFS version: nfs-client-1.1.3-19.2.1 nfs-kernel-server-1.1.3-19.2.1 NFS Status: ```auto nfsstat -s Server rpc stats: calls badcalls badauth badclnt xdrcall 1555921 0 0 0 0 Server nfs v3: null getattr setattr lookup access readlink 11 0% 168367 10% 19709 1% 52648 3% 103970 6% 52 0% read write create mkdir symlink mknod 599210 38% 414964 26% 12523 0% 1931 0% 83 0% 0 0% remove rmdir rename link readdir readdirplus 4640 0% 144 0% 5934 0% 497 0% 89 0% 4801 0% fsstat fsinfo pathconf commit 59892 3% 14 0% 7 0% 102519 6% ``` Network Status: ```auto netstat -i Kernel Interface table Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg eth0 1500 018326204 0 0 018662390 0 0 0 BMRU lo 16436 0 26829 0 0 0 26829 0 0 0 LRU ``` [SIZE=4]nfsclient1 (Linux terminal)[/SIZE] OS: SLED 11 SP1 (x86\_64) Ethernet: 1Gigabit Users running on this machine around 20 users to used shared data. NFS version: nfs-client-1.2.1-2.24.1 nfs-kernel-server-1.2.1-2.24.1 NFS Status: ```auto nfsstat -c Client rpc stats: calls retrans authrefrsh 1455064 0 0 Client nfs v3: null getattr setattr lookup access readlink 0 0% 146686 10% 17582 1% 45519 3% 88724 6% 46 0% read write create mkdir symlink mknod 580910 39% 388314 26% 11568 0% 1894 0% 83 0% 0 0% remove rmdir rename link readdir readdirplus 3892 0% 101 0% 5778 0% 410 0% 19 0% 3853 0% fsstat fsinfo pathconf commit 55604 3% 4 0% 2 0% 104074 7% ``` Thanks,[/QUOTE] I’m not sure I understand tcpdump output well. Does this actually mean that the NFS server is trying to send data to ports beyond 65535? And if yes, do you have any idea why? Do you think tweaking timeo might help? [http://mail-index.netbsd.org/tech-net/2009/02/15/msg001065.html](http://mail-index.netbsd.org/tech-net/2009/02/15/msg001065.html) performance tuning: I thinking local mounted (/home).