similar to: [Bridge] Possibility of copying over fdb entries.

Hi, all, I am a newbie. i wish to add another ioctl into brctl for doing some manipulations. How do i do so?? Please advise on the steps. Regards, Munro

Hi, ppl, I am using kernel 2.4.25 and having this peculiar problem on my ixp425. When i have 2 ethernet ports of the board connected to the same linksys switch running STP. ixp0 and ixp1 are the name of my ethernet ports enslaved to the same bridge( br0)and my PC is also connected to the switch. IXP425 -br0 (192.168.2.1) |_ixp0|--- |

Here is the proposed revision to the bridge utilities interface to the kernel. The driving force is that the existing interface can't easily be converted to 32/64 bit compat. Right now, the bridge-utils (brctl) tries to handle 32bit command on 64 bit kernel, but the code is limited to sparc and wrong. Here is what I am thinking. get version - not needed? get bridges -

hi: my box use eth0 connect my pc. but I type command "./brctl showmacs br0", no mac addr display and the" brctl showmacs program" not exit,always exec # ./brctl show bridge name bridge id STP enabled interfaces br0 8000.000123456789 no eth0 hdlc0 # ./brctl showmacs br0

I have a new Polycom Spectralink 8002 and am having trouble with the configuration or the unit but I can't see what's wrong. The unit does not seem to even attempt to register with the Asterisk proxy but I can make calls to it. I have viewed the syslog from the device which it will actually write to the asterisk server so I know it can be reached. I have also run a sip debug and

Hello, I am experiencing what may be a unique problem with operating the bridge. My hardware is custom Freescale MPC875 processor based with one ethernet (eth0) and one hdlc (hdlc0) WAN port and I am connecting two of these boards together using the WAN ports over a long distance - essentially two bridges in series. They are running Linux 2.6.15 with bridging enabled in the kernel

On Wed, Apr 12, 2023 at 07:00:02PM +0300, Ido Schimmel wrote: > On Wed, Apr 12, 2023 at 05:27:33PM +0300, Vladimir Oltean wrote: > > How are extern_learn FDB entries processed by spectrum's > > SWITCHDEV_FDB_ADD_TO_DEVICE handler? > > No different than "BR_FDB_STATIC", which is a bug I'm aware of and > intend to fix in net-next when I get the time

On Wed, Apr 12, 2023 at 07:24:07PM +0300, Vladimir Oltean wrote: > I'll send v2 with BR_FDB_ADDED_BY_EXT_LEARN not prevented from being > notified from switchdev. > > Unless you have any objection, I won't send v2 like this: > > if (test_bit(BR_FDB_ADDED_BY_USER, &fdb->flags) && > !test_bit(BR_FDB_STATIC, &fdb->flags) && >

On Sat, Mar 18, 2023 at 03:10:10PM +0100, Hans J. Schultz wrote: > +# Test of dynamic FDB entries. > +locked_port_dyn_fdb() > +{ > + local mac=00:01:02:03:04:05 > + local ageing_time > + > + RET=0 > + ageing_time=$(bridge_ageing_time_get br0) > + tc qdisc add dev $swp2 clsact > + ip link set dev br0 type bridge ageing_time $LOW_AGEING_TIME > + bridge link set dev

On Wed, Apr 12, 2023 at 05:27:33PM +0300, Vladimir Oltean wrote: > How are extern_learn FDB entries processed by spectrum's > SWITCHDEV_FDB_ADD_TO_DEVICE handler? No different than "BR_FDB_STATIC", which is a bug I'm aware of and intend to fix in net-next when I get the time (together with all the other combinations enabled by the bridge). Entry has ageing disabled, but

Test FDB ageing of user entry created by bridge fdb replace ADDR dev <DEV> master dynamic Use LOW_AGEING_TIME variable in forwarding.config to set a low ageing time. Beware, DSA might not accept the ageing time you want. Check the age_time_coeff value for your driver. Signed-off-by: Hans J. Schultz <netdev at kapio-technology.com> --- .../net/forwarding/bridge_locked_port.sh |

On Wed, Apr 12, 2023 at 05:15:03PM +0300, Ido Schimmel wrote: > > Looking at tools/testing/selftests/net/forwarding/, there is no valid > > use of the "bridge fdb add ... master dynamic" command there, so I am > > fairly confident that no one used to rely on this behavior. > > Yes, but there are tests that use "extern_learn". If you post a v2 that >

On Mon, Apr 10, 2023 at 11:49:51PM +0300, Vladimir Oltean wrote: > There is a structural problem in switchdev, where the flag bits in > struct switchdev_notifier_fdb_info (added_by_user, is_local etc) only > represent a simplified / denatured view of what's in struct > net_bridge_fdb_entry :: flags (BR_FDB_ADDED_BY_USER, BR_FDB_LOCAL etc). > Each time we want to pass more

On Mon, Mar 20, 2023 at 10:44, Ido Schimmel <idosch at nvidia.com> wrote: >> + $MZ $swp1 -c 1 -p 128 -t udp "sp=54321,dp=12345" \ >> + -a $mac -b `mac_get $h2` -A 192.0.2.1 -B 192.0.2.2 -q >> + tc_check_packets "dev $swp2 egress" 1 1 >> + check_fail $? "Dynamic FDB entry did not age out" > > Shouldn't this be check_err()? After

When the following commands are executed: brctl addbr br0 ifconfig br0 hw ether <addr> rmmod bridge The calltrace will occur: [ 563.312114] device eth1 left promiscuous mode [ 563.312188] br0: port 1(eth1) entered disabled state [ 563.468190] kmem_cache_destroy bridge_fdb_cache: Slab cache still has objects [ 563.468197] CPU: 6 PID: 6982 Comm: rmmod Tainted: G O

This adds a Kconfig option to configure a default FDB learning limit system wide, so a distributor building a special purpose kernel can limit all created bridges by default. The limit is only a soft default setting and overridable per bridge using netlink. Signed-off-by: Johannes Nixdorf <jnixdorf-oss at avm.de> --- Changes since v1: - Added a default limit in Kconfig. (deemed

When the following commands are executed: brctl addbr br0 ifconfig br0 hw ether <addr> rmmod bridge The calltrace will occur: [ 563.312114] device eth1 left promiscuous mode [ 563.312188] br0: port 1(eth1) entered disabled state [ 563.468190] kmem_cache_destroy bridge_fdb_cache: Slab cache still has objects [ 563.468197] CPU: 6 PID: 6982 Comm: rmmod Tainted: G O

http://bugzilla.mindrot.org/show_bug.cgi?id=844 Summary: the client copy is over written during scp Product: Portable OpenSSH Version: -current Platform: Other OS/Version: AIX Status: NEW Severity: trivial Priority: P2 Component: scp AssignedTo: openssh-bugs at mindrot.org ReportedBy:

On Tue, Mar 28, 2023 at 19:40, Ido Schimmel <idosch at nvidia.com> wrote: > On Sun, Mar 26, 2023 at 05:41:06PM +0200, Hans Schultz wrote: >> On Mon, Mar 20, 2023 at 10:44, Ido Schimmel <idosch at nvidia.com> wrote: >> >> + $MZ $swp1 -c 1 -p 128 -t udp "sp=54321,dp=12345" \ >> >> + -a $mac -b `mac_get $h2` -A 192.0.2.1 -B 192.0.2.2 -q >>

On 15/05/2023 11:50, Johannes Nixdorf wrote: > A malicious actor behind one bridge port may spam the kernel with packets > with a random source MAC address, each of which will create an FDB entry, > each of which is a dynamic allocation in the kernel. > > There are roughly 2^48 different MAC addresses, further limited by the > rhashtable they are stored in to 2^31. Each entry is