Sincerely thank you David for your answer,
I hope you may consider committing it to src and I kindly say that it would
be perfect if this max cache size limit value was tied to a sysctl
parameter.
David Gwynne <da...@gwynne.id.au>, 19 Nis 2023 Çar, 02:30 tarihinde şunu
yazdı:
> On Tue, Apr 18, 2023 at 07:51:08PM +0000, Samuel Jayden wrote:
> > Hello,
> > I have one veb interface in OpenBSD 7.2 and 5 ethernet ports are paired
> > with this veb. As I understand from the ifconfig output, 4096 mac address
> > cache values can be kept in this veb interface .
> >
> > ifconfig veb10
> > veb10: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST>
> > index 12 llprio 3
> > groups: veb
> > em3 flags=3<LEARNING,DISCOVER>
> > port 4 ifpriority 0 ifcost 0
> > em0 flags=3<LEARNING,DISCOVER>
> > port 1 ifpriority 0 ifcost 0
> > em1 flags=3<LEARNING,DISCOVER>
> > port 2 ifpriority 0 ifcost 0
> > ix3 flags=3<LEARNING,DISCOVER>
> > port 8 ifpriority 0 ifcost 0
> > ix2 flags=3<LEARNING,DISCOVER>
> > port 7 ifpriority 0 ifcost 0
> > Addresses (max cache: 4096, timeout: 240):
> > 2c:f0:5d:73:f8:c4 em1 0 flags=0<>
> > ....
> >
> > When I tried to extend this limit value with the command "ifconfig veb10
> > maxaddr 4097", I got the following error message:
> > "ifconfig: veb10: Invalid argument"
> > The maximum value I can give without this error message is 4096. Isn't
> this
> > value a bit narrow?
>
> maybe. it seemed pretty high when i made it up.
>
> > I have tested that the mac addresses of the connected devices are not
> > recorded in the veb interface after exceeding the limit.
> >
> > I want to switch from Cisco device to OpenBSD in a place where there are
> > more than 8 thousand MAC addresses, but I need to exceed this max cache
> > size value.
> > How can I increase this max cache size value 8192 or higher value?
>
> you change 4096 to a bigger number in the code.
>
> Index: if_etherbridge.c
> ===================================================================
> RCS file: /cvs/src/sys/net/if_etherbridge.c,v
> retrieving revision 1.7
> diff -u -p -r1.7 if_etherbridge.c
> --- if_etherbridge.c 5 Jul 2021 04:17:41 -0000 1.7
> +++ if_etherbridge.c 19 Apr 2023 02:25:54 -0000
> @@ -675,7 +676,7 @@ int
> etherbridge_set_max(struct etherbridge *eb, struct ifbrparam *bparam)
> {
> if (bparam->ifbrp_csize < 1 ||
> - bparam->ifbrp_csize > 4096) /* XXX */
> + bparam->ifbrp_csize > 16384) /* XXX */
> return (EINVAL);
>
> /* commit */
>
