Re: Notification of change of IP address/Routing etc

client-exit-hooks, which is a shellscript documented in dhclient-script(8). -- Peter Jeremy signature.asc Description: PGP signature

Re: Question: Why ain't I getting gigabit speed?

nt or two later, >suddenly the connection was entirely dropped, and now the ifconfig >output said "no carrier". What status was reported on the lights at each end? -- Peter Jeremy pgpAs2VtFUApg.pgp Description: PGP signature

Re: point-to-point network with unknown peer ip address

e network you have described. Where did you expect you expect the packet to be sent? >my sysctl output: >... > >net.inet.ip.redirect: 1 >net.inet.icmp.drop_redirect: 0 >... You don't say what you are trying to achieve but my crystal ball says that you want net.inet.ip.f

Re: Basic NAT server setup

s) Finally, add some 'log' keywords and tcpdump pflog0. Unfortunately, the stock FreeBSD tcpdump can't handle pflog packets. There are some patches in bin/124825 but you will need to do some work to get them to apply to the tcpdump in 9.1. That will hopefully give you some pointers as to where to investigate. -- Peter Jeremy pgpKOuIGsvWtO.pgp Description: PGP signature

Unable to use pf(4) NAT with jail on 9.2-RELEASE

ource address should be 223.223.223.2). OTOH, if I use a more complete pf.conf and initiate the connection either on the host or on an "internal" box set to route through the firewall, everything works as expected. What am I doing wrong? -- Peter Jeremy pgpHe3KFE2Zph.pgp Description: PGP signature

Re: pow function in kernel space

quare and multiply. What are you trying to do? Maybe we can offer an alternative to pow(3). -- Peter Jeremy pgp6AHdKYOfNS.pgp Description: PGP signature

Re: problem with vlan interfaces tagging/untagging in a simulated switch box

onf etc entries that you are using and a description of what you are trying to achieve. -- Peter Jeremy pgppcO8hHBl6F.pgp Description: PGP signature

Re: problem with vlan interfaces tagging/untagging in a simulated switch box

0 vlan 10 vlandev eth2 ifconfig bridge1 addm vlan5 addm vlan6 ifconfig bridge2 addm vlan7 addm vlan9 ifconfig bridge3 addm vlan8 addm vlan10 -- Peter Jeremy pgp7griifAX2e.pgp Description: PGP signature

Re: problem with vlan interfaces tagging/untagging in a simulated switch box

On 2012-Mar-06 09:15:57 +0330, h bagade wrote: >On 3/6/12, Peter Jeremy wrote: >> The following example diagram shows 3 distinct packet flows: >> - packets tagged 5 in trunk1 and 6 in trunk0 >> - packets tagged 7 in trunk1 and 9 in trunk0 >> - packets tagged 8

Re: lagg problems on diskless client

as lagg is brought up, NIC pool no longer responds to >pings and gives an "I'm busy now" message. Yes. Once you create the lagg, the interfaces comprising it will no longer work standalone and you can't atomically migrate the IP address from re0 to lagg0 - hence the sc

Re: lagg problems on diskless client

ms that NFS server 192.168.2.1 is not responding. lagg0 shows only one laggport so there's no failover. Are you sure you installed /etc/rc.d/lagg or an equivalent script? >PS- I mistakenly double-posted: >http://docs.freebsd.org/cgi/getmsg.cgi?fetch=39210+0+current/freebsd-net I replied to this one because it had a meaningful subject. -- Peter Jeremy pgpInbilVoAg2.pgp Description: PGP signature

Re: lagg problems on diskless client

;to diskless node situations? (Two amusing typos in one sentence). Based on what you've said so far, no. carp provides load-balancing or failover between two (or more) hosts. lagg provides load-balancing or failover between two (or more) NICs on one host. -- Peter Jeremy pgpQkf5nduxKw.pgp Description: PGP signature

Re: lagg problems on diskless client

st? AFAIR, I use a separate ramdisk because /etc/rc.d/lagg runs very early and other mountpoints cannot be relied on. -- Peter Jeremy pgprrfdNpGEnW.pgp Description: PGP signature

dhclient behaviour on link status changes

ly at startup (it will exit if the link doesn't come up within 10s of dhclient starting) and during DHCP exchanges (if the link goes down when it's expecting a DHCP response then it exits). Can anyone explain the rationale behind the current behaviour? -- Peter Jeremy pgpBpISxeP8qg.pgp Description: PGP signature

Re: dhclient behaviour on link status changes

On 2012-Apr-05 07:17:49 +1000, Peter Jeremy wrote: >/etc/devd.conf includes a rule to start dhclient when an Ethernet or >802.11 interface reports "link up", with a comment: "No link down rule >exists because dhclient automatically exits when the link goes down.&quo

Re: dhclient behaviour on link status changes

On 2012-Apr-05 13:22:37 -0700, YongHyeon PYUN wrote: >On Thu, Apr 05, 2012 at 12:39:46PM +1000, Peter Jeremy wrote: >> On 2012-Apr-05 07:17:49 +1000, Peter Jeremy wrote: >> >/etc/devd.conf includes a rule to start dhclient when an Ethernet or >> >802.11 interfac

Re: System doesn't detect unplugged network cable and doesn't set interface up properly with DHCP

p'. This is a bug in dhclient - see PR bin/166656, which includes a fix. -- Peter Jeremy pgpo1p1TtzlQz.pgp Description: PGP signature

Re: System doesn't detect unplugged network cable and doesn't set interface up properly with DHCP

n is definately needed here. > >Hmmm, this does seem true. Do you either of you have any patches for this, >or Peter, can you extend your patch to do this? It's not a case that I initially considered and I don't currently have a patch for this. I'll have a look into it. -- Peter Jeremy pgpVPl5hJPMBM.pgp Description: PGP signature

Re: System doesn't detect unplugged network cable and doesn't set interface up properly with DHCP

On 2012-Jul-13 11:20:36 -0700, Yuri wrote: >On 07/13/2012 02:48, Peter Jeremy wrote: >> This is a bug in dhclient - see PR bin/166656, which includes a fix. > >I think this PR addresses part of the problem: dhclient doesn't exit when the >link goes down. >But even if

Re: System doesn't detect unplugged network cable and doesn't set interface up properly with DHCP

ident that it can't), then I'm happy that it otherwise works. -- Peter Jeremy pgprjxR90uyyW.pgp Description: PGP signature

Incorrect ARP table entries

find in /var/log/messages: Aug 22 12:19:12 local kernel: arp: remo-mgmt moved from remot-ilo to remot-nic on vlan157 The ARP mapping for remo-mgmt to remot-ilo was correct following the ARP exchange at 12:15:41 but at 12:19:12, "local" responds to the wrong MAC address when replying to an ARP request. In the intervening period, there are no references to "remot-nic" in vlan 157 or any ARP requests mentioning remo-mgmt. -- Peter Jeremy pgpF24vJB31sZ.pgp Description: PGP signature

Re: Incorrect ARP table entries

On 2012-Aug-22 14:02:01 +1000, Peter Jeremy wrote: >I've run into a problem where the ARP table on several of my hosts is >apparently spontaneously replacing correct entries with incorrect MAC >addresses. I've done some digging with tcpdump and can't identify the >ca

Re: bridging VLAN interfaces and STP

tional. >Incidentally, it makes sense in retrospect, but the if_bridge(4) >manpage doesn't mention that gateway_enable is required for bridging >to actually forward packets. If this is true, it's definitely wrong and a regression. gateway_enable relates to routing not bridging. -- Peter Jeremy pgp0tKR7gtvaX.pgp Description: PGP signature

Re: Problem with link aggregation + sshd

On 2012-Aug-21 23:18:15 +0200, Giulio Ferro wrote: >Scenario : freebsd 9 stable (yesterday) amd64 on HP server with 4 nic (igb) I have used lagg/lacp on 7.x, 8.x, 9.x and 10.x and haven't seen this problem. Can you please provide ifconfig output for all interfaces. -- Pete

Re: Problem adding more than 8 network adapters

cal NICs in a host but don't know of any reason for >8 to not work. Can you please post a "pciconf -lv" from FreeBSD and the equivalent "lspci" from Linux. A FreeBSD verbose boot log might also help. -- Peter Jeremy pgpXqtGGMbTJs.pgp Description: PGP signature

Re: bridging VLAN interfaces and STP

Sorry for the delay, Real Life™ intervened. On 2012-Aug-27 07:45:41 -0400, "Dustin J. Mitchell" wrote: >On Mon, Aug 27, 2012 at 5:49 AM, Peter Jeremy wrote: >> On 2012-Aug-26 08:12:51 -0400, "Dustin J. Mitchell" >> wrote: >>>On Sat, Aug 25, 20

Re: Bad routing performance on 500Mhz Geode LX with CURRENT, ipfw and mpd5 (was: ipfw, "ip|all" proto and PPPoE -- does PPPoE packets passed to ipfw?)

o config(8) and kgmon(8). There's also dtrace. -- Peter Jeremy pgp4Ejrvxyflt.pgp Description: PGP signature

Re: lagg failover issue

sociated interfaces to have the same MAC address - it doesn't change them during operation. Normally, it updates the MAC address when it does the "addm" but this doesn't work for "addm wlan0" (presumably for the reasons you describe) but manually changing the MAC address o

Re: To SMP or not to SMP

ons but always include lock prefixes (effectively reverting r4). I'm appreciate anyone who feels like testing the impact of this change. -- Peter Jeremy pgpA2uS_hItrK.pgp Description: PGP signature

Re: [JNPR] Proposal for changes to network device drivers and network stack (RFC)

et/ to include the one in sys/ now? IMHO, no. zlib wasn't an advertised API so nothing outside the base OS should be using it. If you've moved all the kernel code to use the new location, that should be enough. -- Peter Jeremy pgpPlJ_hyRXBS.pgp Description: PGP signature

Re: [Panic] Dummynet/IPFW related recurring crash.

about a decade without any stability issues. -- Peter Jeremy pgpPOChNt5SGB.pgp Description: PGP signature

Diskless booting issues

iskless mode, re0 is "up" with the correct IP address when init(8) starts and I presume the kernel is getting upset at the IP address migrating from re0 to lagg0. I have considered trying to use lagg0 (made up only of re0) as the boot device but I can't work out how to achieve this (in particular, how to "up" re0 when that's not part of the diskless boot sequence). Does anyone have any suggestions? -- Peter Jeremy pgpssVxm4ejLN.pgp Description: PGP signature

Re: Diskless booting issues

I've managed to resolve one of the problems I raised. On 2011-Apr-11 07:10:12 +1000, Peter Jeremy wrote: >For various reasons, I occasionally boot my netbook as a diskless >client of my main server (this is a quick/easy way to test upgrades >without needing to install them). Since

Statistics collection broken in "new" dummynet

I cannot see this mentioned. I have looked through the source and it does appear that scheduler instances are marked inactive in serve_sched() once they have no packets queued and are then garbage-collected via drain_scheduler_cb(). Is this the intent? If so, how can statistics be collected? -

Re: Statistics collection broken in "new" dummynet

t;useless pipes/queues but i am not sure if there is a sysctl or >timer or other mechanism to control it. Thanks - that was enough of a pointer to find net.inet.ip.dummynet.expire -- Peter Jeremy pgpyI8uFcdMZc.pgp Description: PGP signature

Re: Patch to enable our tcpdump to handle CARP

s still apply to 9.x/10.x. -- Peter Jeremy pgp9nu4ltpF4S.pgp Description: PGP signature

Re: Re[2]: Call for testers: ng_netflow with v9 and IPv6 support

l months ago. Once the code exists, it may be a candidate for inclusion in a future 8.x release. -- Peter Jeremy pgp97m7g6QHHU.pgp Description: PGP signature

New tcpdump in 8.x

e dump is almost useless. In particular, it's no longer possible to scan a tcpdump output and easily see packet loss or out-of-order delivery. -- Peter Jeremy pgpnKFDXzBzl1.pgp Description: PGP signature

Re: dummynet dropping too many packets

asure that cheaply (AFAIK, LOCK_PROFILING is comparatively expensive). Finally, are you running i386 or amd64? -- Peter Jeremy pgpGJqTOzuPXQ.pgp Description: PGP signature

Re: VLANs, routing, multicast and HP switches, oh my...

27;d love to get them an HP 3400cl) - but that costs much money >that I don't have to spend at the moment. My recommendation is that you just use managed switches that support VLANs and push all the traffic into the FreeBSD box via a trunk, then let the FreeBSD box handle all the rou

Re: Server network interface problem?

lock if the NFS server is non-responding. Note that by default, sshd will search /lib, /usr/lib and /usr/local/lib (as well as subordinate compat libraries) to dlopen() nss modules - which means that a local root and /usr could still block if you have a NFS mounted /usr/local. -- Peter Jeremy pg

Re: SOLVED (was Re: Problem clarification (was: Problems with vlan + carp + alias))

ly generate gratuitous ARP requests. -- Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. pgpzclAQNBmMO.pgp Description: PGP signature

Re: SOLVED (was Re: Problem clarification (was: Problems with vlan + carp + alias))

On 2008-Jun-27 22:59:56 +0200, Giulio Ferro <[EMAIL PROTECTED]> wrote: >Peter Jeremy wrote: >> The kernel should send out gratuitous ARP requests whenever you assign >> an address to an interface. You could confirm that this is happening >> by tcpdumping the inter

arplookup x.x.x.x failed: host is not on local network

I've seen this with FreeBSD 5.3, 6.2 and 7.0. The (in)frequency of the problem makes me wonder if it's actually a resource exhaustion problem. Has anyone got any suggestions? -- Peter Jeremy pgpxzJAMP0wQz.pgp Description: PGP signature

Re: arplookup x.x.x.x failed: host is not on local network

tingly, in the above case, the host is spuriously seeing a packet and has re-routed it via vlan168 - which is the wrong subnet, though the destination host will still see it there. On 2008-Jul-03 10:48:22 +0300, Stefan Lambrev <[EMAIL PROTECTED]> wrote: >I bet 192.168.181.114 have a wro

Re: Freebsd IP Forwarding performance (question, and some info) [7-stable, current, em, smp]

H instructions that exist in at least amd64 and SPARC. Unfortunately, their optimal use is very implementation- dependent and the AMD documentation suggests that incorrect use can degrade performance. -- Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement

Re: smbmount / smbclient : strangely varying transfer speeds

wo servers to try and identify which end is behaving oddly. -- Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. pgpmeZrUKgFAm.pgp Description: PGP signature

Re: too many open file descriptors messages since bind 9.4.2-P1 (port dns94)

ys_generic.c in 7.x and -CURRENT, poll(2) is limited to checking FD_SETSIZE descriptors, whilst select(2) has no upper limit. -- Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. pgpeMm

Re: "ping" with packets larger then 25152 bytes fails.

ut a few more datapoints: - it only affects real network connections - localhost is unaffected - The problem also occurs when pinging FreeBSD 7.x from linux but not when the same linux system pings a Winbloze box. - Pinging either linux or winbloze from FreeBSD 7.x fails. -- Peter Jeremy Please ex

Re: "ping" with packets larger then 25152 bytes fails.

n FreeBSD. Poking around a bit more, the culprit looks like net.inet.ip.maxfragsperpacket - which is set to 16 by default. -- Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. pgpEyJ2bKFIKF.pgp Description: PGP signature

Re: lost routes

lost. Is it a random route, or is it always the same route being lost? If it's different routes, is there anything in common between the routes that are lost? Are all your interfaces on disjoint subnets? -- Peter Jeremy Please excuse any delays as the result of my ISP's inabilit

Re: CARP performance tuning question.

load - What is the box doing? Is it a straight filtering router? Does it handle NAT? Is it running apps itself (eg web, ftp, mail)? - What speed are the interface(s) running at? - What instability problems are you seeing? - Please provide more details on what you mean by 'bad interactivity

Re: CARP and L2 src-MAC

pdep patches do this. See http://lists.freebsd.org/pipermail/freebsd-net/2008-March/017103.html -- Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. pgpZRD0UHjVFm.pgp Description: PGP signature

Re: Measuring processes' bandwidth usage

capture the information you are looking for. -- Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. pgpqNA5M12V2Y.pgp Description: PGP signature

Re: Weird TCP connect issue in FreeBSD 6

ce the same problem. This is the correct configuration. -- Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. pgpwps7asJF15.pgp Description: PGP signature

Re: Weird TCP connect issue in FreeBSD 6

d >IP addresses on different networks. OK, that does sound wrong. Can you describe that setup please - what local addresses/netmasks and routes did you have and what was the remote IP address. -- Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA

Re: Heads up --- Thinking about UDP and tunneling

tyle. I suspect that no-one is happy with everything in style(9) but consistency is seen as more important. -- Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. pgpHpw1TWvrRq.pg

Re: Re[2]: ath: is here full list of supported chipsets and chipsets comparsion?

8-RELEASE will be when it eventuates. -- Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. pgpyG7olk4c3N.pgp Description: PGP signature

Re: HEADSUP: arp-v2 has been committed

_LLINFO is solely for backward compatibility. (To make it clear why it's never referenced in the base system and not needed for new code). -- Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or

Re: em driver problems? taskq em goes up to 100% CPU

PDIVERT Are you using dummynet or ipdivert functionality? >fastforwarding is on, polling is off: >net.inet.ip.fastforwarding: 1 Have you tried disabling fastforwarding? What if your hardware configuration and how much traffic are you pushing through the system? -- Peter Jeremy Please

Re: FreeBSD Router Problem

nued presence is required (and monitored via TCP-level keepalives). -- Peter Jeremy pgpfioORNwsMU.pgp Description: PGP signature

Re: Network Card

tively re-numbering devices). -- Peter Jeremy pgpmwIOlUjC3E.pgp Description: PGP signature

Re: kern/137317: [tcp] logs full of syncache problems

(probably spoofed) Jul 29 10:37:28 aalp05 kernel: TCP: [client]:58128 to [server]:22 tcpflags 0x10; syncache_expand: Segment failed SYNCOOKIE authentication, segment rejected (probably spoofed) Note that the syslog message implies there is an incoming packet but tcpdump doesn't show one. -- Peter Jeremy pgpMdsvwNwvLk.pgp Description: PGP signature

Re: altq unfortunately queuing vlan traffic.

On 2007-Apr-12 11:20:29 +0100, "Bruce M. Simpson" <[EMAIL PROTECTED]> wrote: >I can't speak for ALTQ at the moment however I believe dummynet may work >on vlan devices. dummynet definitely does work on vlan devices. I use it extensively at work. -- Peter Jeremy pg

Re: fake MAC addresses and ARP

up an appropriate response with the pre-defined fake MAC's, put it >into the input queue and ate the request packet. A quick-and-dirty work-around would seem to be arp -s 169.254.101.2 Fa:ke:ma:cA:dd:re:ss Otherwise, I think you would need to fiddle with the transmit packet code in your driver. -- Peter Jeremy pgp1DSC38AW7a.pgp Description: PGP signature

Re: rtentry and rtrequest

rs is more descriptive. (I would far prefer that "vlan" be truncated to something shorter so that my daily reports don't have 48 lines stating 'vlan1'). -- Peter Jeremy pgptPqZ2Apexk.pgp Description: PGP signature

Re: New Config of Jails & 4 port NIC with 6.2 stable

es on lo0 and use firewall software (ipfw, IPfilter or pf) to redirect packets to the appropriate alias. If you really need distinct physical interfaces, you could use an IEEE 802.1Q VLAN trunk into your FreeBSD box and break it out into as many vlan interfaces as you want. -- Peter Jeremy

Re: Corrupt packets in Jnet (Was: Re: rtentry and rtrequest)

I haven't used anything else to talk to my SP. >Your jnet_start() routine fills the tail of the buffer w/zeros >already, doesn't it? I would also suggest padding to 256 bytes with zeroes. -- Peter Jeremy pgp6n8joWvpaP.pgp Description: PGP signature

Re: Firewall

) all proxies (eg FTP) are in userland. Userland NAT or proxies incur significantly higher overheads than in-kernel equivalents (because the packets have to cross the kernel/userland barrier twice). This may be an issue if you have a very fast Internet connection and an underpowered firewa

Re: Firewall

inbound >and outbound traffic is invaluable. I extensively use dummynet at work to simulate WANs (bandwidth limited and significant delays) between different servers in our models. It has proved invaluable for relicating field problems. -- Peter Jeremy pgpnZc0lqJwO8.pgp Description: PGP signature

Re: Unix friendly network testbench for FreeBSD?

uld be able to run them in its Linux emulation layer. -- Peter Jeremy pgpe0m2vtG3Br.pgp Description: PGP signature

Re: bridge query

which is far larger (an order of magnitude or so) than typical. TCP is also designed to work on a mostly lossless link. I am not sure how much a 5% packet loss will affect it but I would expect it to be significant. I'm not sure how to optimise throughput in this situation. --

Re: bridge query

lost packet will be re-transmitted but the very long RTT will still have a major impact on throughput. -- Peter Jeremy pgpWRreV4yDBJ.pgp Description: PGP signature

Re: VLANs and routing

t could be if machine1 is an IP endpoint: In order to transmit a packet, it needs to put a source IP address into the packet - which virtually always comes from the interface. -- Peter Jeremy pgpLYCASUZrpl.pgp Description: PGP signature

Re: Issue with huge numbers of connections

not be many connections open but at 1650 connections per second, there are about 200,000 control blocks in TCPS_TIME_WAIT - far more if the load is peaky. -- Peter Jeremy pgpZM1cYnVUNw.pgp Description: PGP signature

Re: localhost connections showing source address 0.0.0.0

e connection as >having a source address of 0.0.0.0 instead of 127.0.0.1. Can you capture source port as well (squid.conf says %>p will do this)? Is there any correlation with the source port or package being fetched? Is it consistent? -- Peter Jeremy pgplcBkHQKfdh.pgp Description: PGP signature

Re: Disable Exponential Backoff (retry) on Ethernet?

On Wed, Oct 17, 2007 at 08:51:34PM -0700, Len Gross wrote: >I'm doing some protocol development and it is convenient to start it on >Ethernet. I will need to send a packet to the Ethernet device and only have >it be sent once, even if there is a colision. I know we've still got some hubs lying ar

Re: proxy arp on 6.1

On Wed, Oct 24, 2007 at 02:17:37PM -0400, Stephen Clark wrote: >I must be doing something wrong. I can't seem to get proxy arp to work. Is >there some magic. I've been using proxy ARP on FreeBSD between 4.x and 6.2 without problems (though I think I skipped 6.1). >I have the following setup isp

In Memoriam: Jun-ichiro Hagino

A recent posting in BUGTRAQ[1] has announced that Itojun has passed away. Itojun was a past FreeBSD committer and very active in KAME and the IPv6 world. No details of his passing were in the BUGTRAQ posting but some information in Japanese is available at http://www.hoge.org/~koyama/itojun.txt

Re: RFC: Evolution of the em driver

On Wed, Oct 31, 2007 at 01:16:39AM -0700, Jeremy Chadwick wrote: >For what it's worth, I agree with Scott. I'd rather see a new and >separate driver (presumably igb(4)) than a "hacked up" em(4) driver >trying to handle tons of IC revisions. A good example of the insanity >the latter causes is nve

Re: Maximum number of vlans on a freebsd box ???

On Sat, Nov 03, 2007 at 08:23:20PM +0200, Ivo Vachkov wrote: >I'd like to ask if someone has information how many vlans a freebsd >box can 'run' ? There is no hard limit, so in theory 4096 VLANs per trunk. If you are using a very large number, defining VLAN_ARRAY should improve performance at the

Re: Pipe queues

On Tue, Dec 11, 2007 at 12:31:00PM +0400, rihad wrote: >Peter Jeremy wrote: >> On Tue, Dec 11, 2007 at 09:21:17AM +0400, rihad wrote: >>> And if I _only_ want to shape IP traffic to given speed, without >>> prioritizing anything, do I still need queues? This was the w

Re: Pipe queues

thering with any prioritisation. -- Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. pgpFgenKBbrZf.pgp Description: PGP signature

Re: Packet loss every 30.999 seconds

h high resolution. -- Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. pgp1bnwEZSWxc.pgp Description: PGP signature

Re: simple, adaptive bandwidth throttling with ipfw/dummynet ?

g you have the TCP sessions spread across distinct buckets (either with multiple pipes/queues or with masks to split them up), my suggestion would be a perl script that regularly does 'ipfw pipe list' or 'ipfw queue list' and use change_in_total_bytes/time to calculate average throu

Re: bpf packet capture and SOCK_STREAM socket redirects...

p socket it'll take care of it from there >(my code here for this sockets sends and arbitary data to A making it >think it came from B) Have a look at divert(4). I suspect it comes closest to what you want. -- Peter Jeremy Please excuse any delays as the result of my ISP's inabil

Re: read() returns ETIMEDOUT on steady TCP connection

or was triggered by a fragmentation request. I can't explain the problem but it definitely looks like a resource starvation issue within the kernel. -- Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. pgp497bYIDN9y.pgp Description: PGP signature

Re: minimum bandwidth per connection with dummynet ?

connection that I can establish for a dummynet pipe ? Not that I can see - you can use the 'mask' parameter to define a maximum per-connection rate. I don't believe there's any way to redirect "overflow" traffic though. You could probably write a divert(4) applic

Re: HEAD UP: non-MPSAFE network drivers to be disabled (was: 8.0 network stack MPsafety goals (fwd))

On 2008-May-26 19:11:16 +, Poul-Henning Kamp <[EMAIL PROTECTED]> wrote: >We should summarily kill the concept of line disciplines as a >modular component and decide that TTYs can be used with termios(4) >or raw mode and leave it at that. streams anyone? -- Peter Jeremy Pl

Delaying traffic using altq(4)

to be any provision for providing time delay on packets. Has anyone looked into implementing time delays in altq? -- Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed beha

Re: Understanding the interplay of ipfw, vlan, and carp

"it's like VRRP but different to avoid the CISCO patent on HSRP". -- Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. pgpRTelyUBiIi.pgp Description: PGP signature

Re: network keep droping

ur configuration might trigger someone's memory: What version of 6.x? What NIC/MII? How much memory? What network features (vlan, firewall, dummynet, netgraph, carp, ...) are you using? -- Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA

Re: Probable Bug in tcp.h

I suspect you are dereferencing a mis-aligned struct tcphdr. -- Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. pgp5pk6y5YJfo.pgp Description: PGP signature

Re: network keep droping

see anything in UPDATING that would rule it out. [The approach would be to checkout a RELENG_6_0_0_RELEASE kernel then update sys/dev/em to RELENG_6_3 and build a new kernel]. -- Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is eith

Re: CARP + multiple addresses

tion says that you are on the right track but, by default, each CARP interface will fail over independently. If you want them all to fail over together then you should set net.inet.carp.preempt (see carp(4) and its first example) -- Peter Jeremy Please excuse any delays as the result of my I

Re: Looking for networking solution.

nd can therefore drop them from its transmit buffer (or resend them if they are not received)? In particular, if there is no traffic for a period, the only way that the last packet (before the break) can be confirmed is via acknowledge timeouts. -- Peter Jeremy

Re: Raw Sockets: Two Questions

us letter. > >Thank you. If zmap ends up not suiting my needs, I will >definitely look into libpcap. Since no-one else has mentioned it, another option would be divert(4), which is part of IPFW. -- Peter Jeremy signature.asc Description: PGP signature

Re: FCP-0101: Deprecating most 10/100 Ethernet drivers

o USB adapters. They are explicitly excluded from the proposed deprecation. >BTW, I also use fxp interfaces a lot, but that's just because I have Also explicitly excluded because of its popularity. -- Peter Jeremy signature.asc Description: PGP signature

Re: FCP-0101: Deprecating most 10/100 Ethernet drivers

ends to cover nearly all 100 cards, yet no >one (pardon me if I missed those) asks for 10. So how about making this >proposal cover only 10 cards, What is the purpose in keeping unused FastEthernet cards in the tree? >if you can't resist the itch to remove >something from th

Re: NFSROOT and lagg(4)

f anyone is doing this type of configuration in their labs? I used to do something similar on my netbook - see https://www.bugs.au.freebsd.org/dokuwiki/laggdiskless I haven't tried it recently but it definitely worked early on in 10.x. -- Peter Jeremy signature.asc Description: PGP signature

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