[Differential] D45109: Add support for Realtek RTL8211F-VD PHY

peterj created this revision. peterj added a reviewer: network. peterj requested review of this revision. REVISION SUMMARY The RTL8211F-VD is a replacement/upgrade for the RTL8211F. Based on https://github.com/torvalds/linux/commit/bb726b753f75a4eeda291438f89dfd9b94783569, the only

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: IPSEC problems with pf

d packets locally between firewall and VPS * Encrypted packets sent from VPS will arrive at Host (once net.inet.ipsec.filtertunnel is set). * Packets sent from Host to VPS get sent unencrypted over the Internet. I'm confident that the last point is because the IPSEC processing preceeds the pfil p

IPSEC problems with pf

P packets from firewall to VPS aren't going through the IPSEC transport. b) Why firewall is ignoring incoming IPSEC esp packets. Is anyone able to help? -- Peter Jeremy signature.asc Description: PGP signature

Re: sender source IP address on UDP socket bound to INADDR_ANY in golang

oduction of IPv6. The main benefit is that it made it possible to support both IPv4 and IPv6 without needing 2 sockets - which means you can stick to doing an accept() on a blocking socket, rather than needing to use poll() or select() etc with a pair of non-blocking sockets. I'm not sure how to solve your problem, sorry. -- Peter Jeremy signature.asc Description: PGP signature

Re: sender source IP address on UDP socket bound to INADDR_ANY in golang

On 2021-May-11 13:40:44 +0200, "Patrick M. Hausen" wrote: >> Am 11.05.2021 um 12:38 schrieb Peter Jeremy : >> >> On 2021-May-08 19:05:56 +0200, "Patrick M. Hausen" wrote: >>> I am facing a problem that is perfectly explained by the semantics >

Re: sender source IP address on UDP socket bound to INADDR_ANY in golang

relevant setsockopt() calls (though I don't think ktrace will report the actual flag state). -- Peter Jeremy signature.asc Description: PGP signature

"panic: Assertion in_epoch(net_epoch_preempt) failed" in recent 12-stable

0x94/frame 0xfe020aaf0bb0 fork_exit() at fork_exit+0x80/frame 0xfe020aaf0bf0 fork_trampoline() at fork_trampoline+0xe/frame 0xfe020aaf0bf0 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- -- Peter Jeremy signature.asc Description: PGP signature

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

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 the tree? Again, that lang

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

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: Raw Sockets: Two Questions

t;libpcap can be used too, as I've shown in previous 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: NFSROOT and lagg(4)

hought I'd ask >if 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

Re: pow function in kernel space

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

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

set to route through the firewall, everything works as expected. What am I doing wrong? -- Peter Jeremy pgpHe3KFE2Zph.pgp Description: PGP signature

Re: Basic NAT server setup

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

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

. -- Peter Jeremy pgp4c2p5tAMBd.pgp Description: PGP signature

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

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

? 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: To SMP or not to SMP

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: bridging VLAN interfaces and STP

Sorry for the delay, Real Life™ intervened. On 2012-Aug-27 07:45:41 -0400, Dustin J. Mitchell dus...@v.igoro.us wrote: On Mon, Aug 27, 2012 at 5:49 AM, Peter Jeremy pe...@rulingia.com wrote: On 2012-Aug-26 08:12:51 -0400, Dustin J. Mitchell dus...@v.igoro.us wrote: On Sat, Aug 25, 2012 at 7:04

Re: Problem adding more than 8 network adapters

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

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

Re: Problem with link aggregation + sshd

On 2012-Aug-21 23:18:15 +0200, Giulio Ferro au...@zirakzigil.org 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. -- Peter

Incorrect ARP table entries

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: 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 y...@rawbw.com 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 it exits, it leaves

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

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

. -- Peter Jeremy pgpo1p1TtzlQz.pgp Description: PGP signature

dhclient behaviour on link status changes

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 peterjer...@acm.org 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. IMHO

Re: dhclient behaviour on link status changes

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

Re: lagg problems on diskless client

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

Re: lagg problems on diskless client

and other mountpoints cannot be relied on. -- Peter Jeremy pgprrfdNpGEnW.pgp Description: PGP signature

Re: lagg problems on diskless client

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 script linked from the above page. -- Peter Jeremy pgpCaYsWbFQTE.pgp Description: PGP

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

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

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 baga...@gmail.com wrote: On 3/6/12, Peter Jeremy peterjer...@acm.org 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: Patch to enable our tcpdump to handle CARP

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

Statistics collection broken in new dummynet

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? -- Peter

Re: Statistics collection broken in new dummynet

of 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: Diskless booting issues

I've managed to resolve one of the problems I raised. On 2011-Apr-11 07:10:12 +1000, Peter Jeremy peterjer...@acm.org 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

Diskless booting issues

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: [Panic] Dummynet/IPFW related recurring crash.

stability issues. -- Peter Jeremy pgpPOChNt5SGB.pgp Description: PGP signature

Re: Server network interface problem?

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

Re: dummynet dropping too many packets

). Finally, are you running i386 or amd64? -- Peter Jeremy pgpGJqTOzuPXQ.pgp Description: PGP signature

New tcpdump in 8.x

packet loss or out-of-order delivery. -- Peter Jeremy pgpnKFDXzBzl1.pgp Description: PGP signature

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

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

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

packet but tcpdump doesn't show one. -- Peter Jeremy pgpMdsvwNwvLk.pgp Description: PGP signature

Re: Network Card

in the past (effectively re-numbering devices). -- Peter Jeremy pgpmwIOlUjC3E.pgp Description: PGP signature

Re: FreeBSD Router Problem

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

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

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 excuse any delays as the result

Re: HEADSUP: arp-v2 has been committed

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 matches their claimed behaviour

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

in one style. 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

Re: Weird TCP connect issue in FreeBSD 6

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 that is either RFC2821

Re: Weird TCP connect issue in FreeBSD 6

. 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: Measuring processes' bandwidth usage

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: CARP and L2 src-MAC

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: lost routes

, 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 inability to implement an MTA that is either RFC2821-compliant

Re: ping with packets larger then 25152 bytes fails.

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 excuse any delays as the result of my ISP's

Re: ping with packets larger then 25152 bytes fails.

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

, 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. pgpeMmtesf5SB.pgp Description: PGP

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

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 an MTA that is either RFC2821

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

requests whenever you assign an address to an interface. You could confirm that this is happening by tcpdumping the interface whilst you add aliases. Rummaging around in ports, you might find net/arping or net/p5-Net-ARP useful if you want to manually generate gratuitous ARP requests. -- Peter

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 interface whilst you add aliases. I have

Re: CARP + multiple addresses

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 ISP's inability to implement an MTA that is either RFC2821-compliant

Re: Probable Bug in tcp.h

. -- 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

. [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 either RFC2821-compliant or matches their claimed behaviour

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

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

: 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 that is either RFC2821-compliant or matches their claimed

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 behaviour

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 Please excuse any delays

Re: minimum bandwidth per connection with dummynet ?

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) application to do the shaping you require. -- Peter Jeremy Please excuse any

Re: read() returns ETIMEDOUT on steady TCP connection

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: bpf packet capture and SOCK_STREAM socket redirects...

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 inability to implement an MTA that is either RFC2821-compliant or matches their claimed

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

does 'ipfw pipe list' or 'ipfw queue list' and use change_in_total_bytes/time to calculate average throughput per session. Then use a leaky bucket on the average throughput to trigger pipe/queue re-configurations as desired. -- Peter Jeremy Please excuse any delays as the result of my ISP's

Re: Packet loss every 30.999 seconds

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: 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 whole point. No you don't. I'm using

Re: Pipe queues

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: 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: 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(4)

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: 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

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

Re: localhost connections showing source address 0.0.0.0

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: VLANs and routing

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: bridge query

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. -- Peter Jeremy

Re: Unix friendly network testbench for FreeBSD?

layer. -- Peter Jeremy pgpe0m2vtG3Br.pgp Description: PGP signature

Re: Firewall

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: Firewall

) 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 firewall. -- Peter Jeremy

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

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: New Config of Jails 4 port NIC with 6.2 stable

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 pgpcqV6OwpEXF.pgp

Re: rtentry and rtrequest

be more than one of these, I'd prefer to leave it as jnet. There are a limited number of 2-letter combinations and 4 letters 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

Re: fake MAC addresses and ARP

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: 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 pgph2X65LlVgG.pgp Description: PGP

Re: ICMP-floods

of the MAC table hash so having the same MAC in different VLANs triggered error messages). -- Peter Jeremy pgpWcdI3hf2Av.pgp Description: PGP signature

TCP source port reuse problems

192.168.234.64,60014 - 192.168.234.1,22 PR tcp len 20 48 -S IN OOW -- Peter Jeremy pgpO5TRjS09J1.pgp Description: PGP signature

Re: FreeBSD ethernet on a Sun Ultra 20

are notorious for this) - this can mean that two cards with identical part numbers and otherwise indistinguishable from the outside of the box can require totally different drivers. -- Peter Jeremy pgpS7qoEyRbO3.pgp Description: PGP signature

Re: Much improved sendfile(2) kernel implementation

? Is there the possibility that a couple (for some reasonably large value of 'couple') of TCP connections slowly accepting a file could eat all the mbuf space? -- Peter Jeremy pgp46caYEOnB1.pgp Description: PGP signature

Re: Moving ethernet VLAN tags into the mbuf packet header (from mtags)

routed data as well as finding cases where packets were appearing in the wrong VLAN. With hardware tagging (with or without this patch), bpf doesn't have access to the tag information. This is a PITA. -- Peter Jeremy pgpmFLZHAgwrG.pgp Description: PGP signature

TCP Retransmit counts

) or changing retransmit timeout to having a minimum value (similar but opposite to the tcp_maxpersistidle test in tcp_timer_persist)? -- Peter Jeremy pgpFoi0Za8AvF.pgp Description: PGP signature

  1   2   >