On Tue, Mar 20, 2001 at 07:05:58AM -0500, Mike Tancsa wrote:
>
> Do any of the VLAN patches fix the arp -d bug with VLAN interfaces ?
>
> i.e. arp -d does not work
>
> cbackup2# ifconfig vlan0
> vlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> inet 192.168.112.1 netmask 0xffffff00 broadcast 192.168.112.255
> ether 00:90:27:25:bf:8b
> vlan: 3 parent interface: fxp1
> cbackup2# arp -na | grep 192
> ? (192.168.112.1) at 0:90:27:25:bf:8b permanent
> ? (192.168.112.2) at 0:50:fc:1e:3b:dc
> cbackup2# arp -d 192.168.112.2
> delete: can't locate 192.168.112.2
That bug has to do with /usr/sbin/arp skipping ARP table entries,
which interfaces aren't of one of the following types: IFT_ETHER,
IFT_FDDI, IFT_ISO88023, IFT_ISO88024, IFT_ISO88025. The type of
the vlan interface is IFT_8021_VLAN (that is defined to be equivalent
of IFT_PROPVIRTUAL now), so /usr/sbin/arp just doesn't ``see'' its
entries.
Isn't it better to assign the IFT_ETHER type to the vlan interface?
There might be other places in the code where vlans would behave
unexpectedly because of their type...
SY, Yar
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