Re: [CentOS] Neighbour table overflow

2008-12-01 Thread Ross Walker
On Mon, Dec 1, 2008 at 3:25 PM, chloe K <[EMAIL PROTECTED]> wrote: >> John R Pierce <[EMAIL PROTECTED]> wrote: >> chloe K wrote: >>> you have the network /20 so that you got this neigbour overlfow >>> you should subnet it >>> >> >> no, no, NO. his eth1 connection is from his ISP. He /has/ to use >>

Re: [CentOS] Neighbour table overflow

2008-12-01 Thread John R Pierce
chloe K wrote: > no. he can subnet it > > Typically ISP can assign /20. but client can subnet it > he is on a cable modem, with a single IP on his neighborhood segment. how exactly does he subnet this? ___ CentOS mailing list CentOS@centos.org h

Re: [CentOS] Neighbour table overflow

2008-12-01 Thread chloe K
sorry. it should be 2 networks /21 4 networks /22 /22 or 16 networks /24 Thank you John R Pierce <[EMAIL PROTECTED]> wrote: chloe K wrote: > you have the network /20 so that you got this neigbour overlfow > you should subnet it > no, no, NO. his eth1 connec

Re: [CentOS] Neighbour table overflow

2008-12-01 Thread chloe K
no. he can subnet it Typically ISP can assign /20. but client can subnet it two networks /22 /22 or 16 networks /24 Thank you John R Pierce <[EMAIL PROTECTED]> wrote: chloe K wrote: > you have the network /20 so that you got this neigbour overlfow > you shoul

Re: [CentOS] Neighbour table overflow

2008-11-28 Thread John R Pierce
Thomas Dukes wrote: ># tcpdump -i eth1 -n ip host 65.188.xxx.xxx and not ether host 00:17:CB:4F:97:81 > ... OK, I think you lost me on that last part. I ran tcpdump -i eth1 -n ip host 65.188.0.1 and got: no, no. I said... # tcpdump -i eth0 -n ip host 65.188.xxx.xxx and not ether host

RE: [CentOS] Neighbour table overflow

2008-11-28 Thread Thomas Dukes
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of John R Pierce Sent: Friday, November 28, 2008 5:14 PM To: CentOS mailing list Subject: Re: [CentOS] Neighbour table overflow chloe K wrote: > you have the network /20 so that you got this neigb

Re: [CentOS] Neighbour table overflow

2008-11-28 Thread John R Pierce
chloe K wrote: you have the network /20 so that you got this neigbour overlfow you should subnet it no, no, NO. his eth1 connection is from his ISP. He /has/ to use the supplied netmask, he can't reconfigure their network segment. now, why is ARP table is overflowing is another issue

RE: [CentOS] Neighbour table overflow

2008-11-28 Thread Thomas Dukes
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Filipe Brandenburger Sent: Friday, November 28, 2008 12:44 PM To: CentOS mailing list Subject: Re: [CentOS] Neighbour table overflow Hi, On Fri, Nov 28, 2008 at 07:20, Thomas Dukes <[EMAIL PROTEC

RE: [CentOS] Neighbour table overflow

2008-11-28 Thread Thomas Dukes
_ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of chloe K Sent: Friday, November 28, 2008 12:36 PM To: CentOS mailing list Subject: Re: [CentOS] Neighbour table overflow you have the network /20 so that you got this neigbour overlfow you should subnet it Hi Chole

RE: [CentOS] Neighbour table overflow

2008-11-28 Thread Thomas Dukes
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Robert Moskowitz Sent: Friday, November 28, 2008 12:28 PM To: CentOS mailing list Subject: Re: [CentOS] Neighbour table overflow [EMAIL PROTECTED] wrote: > Robert Moskowitz <[EMAIL PRO

RE: [CentOS] Neighbour table overflow

2008-11-28 Thread Thomas Dukes
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Robert Moskowitz Sent: Friday, November 28, 2008 12:20 PM To: CentOS mailing list Subject: Re: [CentOS] Neighbour table overflow [EMAIL PROTECTED] wrote: > Robert Moskowitz <[EMAIL PROTECTED]&

Re: [CentOS] Neighbour table overflow

2008-11-28 Thread MHR
On Fri, Nov 28, 2008 at 9:35 AM, chloe K <[EMAIL PROTECTED]> wrote: > you have the network /20 so that you got this neigbour overlfow > you should subnet it > > > Robert Moskowitz <[EMAIL PROTECTED]> wrote: > > [EMAIL PROTECTED] wrote: : To EVERYONE who is top-posting on this list: Stop it. Than

Re: [CentOS] Neighbour table overflow

2008-11-28 Thread Filipe Brandenburger
Hi, On Fri, Nov 28, 2008 at 07:20, Thomas Dukes <[EMAIL PROTECTED]> wrote: > When I ran the above, I'm not sure I'm getting a correct response. It takes > serval miuntes then returns: > Printk: 100 messages suppressed > Neighbour table overflow > Printk: 15 messages suppressed > 3 It looks like

Re: [CentOS] Neighbour table overflow

2008-11-28 Thread chloe K
*From:* [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] >>> *On Behalf Of *chloe K >>> *Sent:* Thursday, November 27, 2008 9:10 PM >>> *To:* CentOS mailing list >>> *Subject:* Re: [CentOS] Neighbour table overflow >>> >>> what is your netmask? &

Re: [CentOS] Neighbour table overflow

2008-11-28 Thread Robert Moskowitz
[EMAIL PROTECTED] wrote: Robert Moskowitz <[EMAIL PROTECTED]> wrote: Thomas Dukes wrote: *From:* [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] *On Behalf Of *chloe K *Sent:* Thursday, November 27, 2008 9:10 PM *To:* CentOS mailing list *Subject:* Re: [CentOS] Neighbour

Re: [CentOS] Neighbour table overflow

2008-11-28 Thread Robert Moskowitz
[EMAIL PROTECTED] wrote: Robert Moskowitz <[EMAIL PROTECTED]> wrote: Thomas Dukes wrote: *From:* [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] *On Behalf Of *chloe K *Sent:* Thursday, November 27, 2008 9:10 PM *To:* CentOS mailing list *Subject:* Re: [CentOS] Neighbour

Re: [CentOS] Neighbour table overflow

2008-11-28 Thread tdukes
Robert Moskowitz <[EMAIL PROTECTED]> wrote: > Thomas Dukes wrote: > > > > > > *From:* [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > > *On Behalf Of *chloe K > > *Sent:* Thursday, November 27, 2008 9:10 PM > > *To:* CentOS mailing list > &g

Re: [CentOS] Neighbour table overflow

2008-11-28 Thread Robert Moskowitz
Thomas Dukes wrote: *From:* [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] *On Behalf Of *chloe K *Sent:* Thursday, November 27, 2008 9:10 PM *To:* CentOS mailing list *Subject:* Re: [CentOS] Neighbour table overflow what is your netmask? eth0 = 255.255.240.0 Why do you have such a large

RE: [CentOS] Neighbour table overflow

2008-11-28 Thread Thomas Dukes
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Ralph Angenendt Sent: Friday, November 28, 2008 4:41 AM To: centos@centos.org Subject: Re: [CentOS] Neighbour table overflow Thomas Dukes wrote: > Any ideas? How many entries do you have in the arp ta

Re: [CentOS] Neighbour table overflow

2008-11-28 Thread Ralph Angenendt
Thomas Dukes wrote: > Any ideas? How many entries do you have in the arp table? "arp -a | wc -l" should show you. If you really have lots of entries in there you should try to find out the reason for that. Ralph pgptXMZ7Hho95.pgp Description: PGP signature _

Re: [CentOS] Neighbour table overflow

2008-11-27 Thread Robert Moskowitz
Thomas Dukes wrote: *From:* [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] *On Behalf Of *chloe K *Sent:* Thursday, November 27, 2008 9:10 PM *To:* CentOS mailing list *Subject:* Re: [CentOS] Neighbour table overflow what is your netmask? eth0 = 255.255.240.0 That is 4096 addresses (256

RE: [CentOS] Neighbour table overflow

2008-11-27 Thread Thomas Dukes
_ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of chloe K Sent: Thursday, November 27, 2008 9:10 PM To: CentOS mailing list Subject: Re: [CentOS] Neighbour table overflow what is your netmask? eth0 = 255.255.240.0 eth1 = 255.255.255.0 lo = 255.0.0.0 These don&#

Re: [CentOS] Neighbour table overflow

2008-11-27 Thread chloe K
what is your netmask? Thomas Dukes <[EMAIL PROTECTED]> wrote: Just started getting this. I tried the following by adding it to my etc/sysctl.conf: net.ipv4.neigh.default.gc_thresh1 = 4096 net.ipv4.neigh.default.gc_thresh2 = 8192 net.ipv4.neigh.default.gc_thresh3 = 8192 net.ipv4.neigh.default.ba

[CentOS] Neighbour table overflow

2008-11-27 Thread Thomas Dukes
Just started getting this. I tried the following by adding it to my etc/sysctl.conf: net.ipv4.neigh.default.gc_thresh1 = 4096 net.ipv4.neigh.default.gc_thresh2 = 8192 net.ipv4.neigh.default.gc_thresh3 = 8192 net.ipv4.neigh.default.base_reachable_time = 86400 net.ipv4.neigh.default.gc_stale_time =

Re: [CentOS] Neighbour table overflow.

2008-03-11 Thread Garrick Staples
On Wed, Mar 12, 2008 at 10:12:19AM +0530, Indunil Jayasooriya alleged: > Hi, > > I am getting below error on mailgw. it has 2 ethernets. > eth0 is connected to internet, while eth1 is connected to LAN where > there are about 300 PCs. > > > Mar 12 09:14:00 gateway kernel: NET: 697 messages suppre

[CentOS] Neighbour table overflow.

2008-03-11 Thread Indunil Jayasooriya
Hi, I am getting below error on mailgw. it has 2 ethernets. eth0 is connected to internet, while eth1 is connected to LAN where there are about 300 PCs. Mar 12 09:14:00 gateway kernel: NET: 697 messages suppressed. Mar 12 09:14:00 gateway kernel: Neighbour table overflow. Mar 12 09:14:05 gateway