Date: Fri, 24 Dec 2004 18:52:24 GMT From: Jon Simola <jsimola@gmail.com> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/75471: Inconsistent MAC formatting by /usr/sbin/arp on vlan pseudo interfaces Message-ID: <200412241852.iBOIqO2I002606@www.freebsd.org> Resent-Message-ID: <200412241900.iBOJ0iEb066164@freefall.freebsd.org>
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>Number: 75471
>Category: misc
>Synopsis: Inconsistent MAC formatting by /usr/sbin/arp on vlan pseudo interfaces
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Fri Dec 24 19:00:44 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator: Jon Simola
>Release: 5.3-STABLE
>Organization:
>Environment:
FreeBSD tycho.abccomm.com 5.3-STABLE FreeBSD 5.3-STABLE #1: Wed Dec 22 17:11:02 PST 2004 jon@tycho.abccomm.com:/usr/obj/usr/src/sys/CARP i386
>Description:
Sample output from my Vlan router
#/usr/sbin/arp -an
? (204.239.167.99) at 00:90:27:76:a9:9c on em0 [ethernet]
? (204.239.167.248) at 00:30:48:72:36:24 on em0 [ethernet]
<...>
? (208.181.67.228) at 0.30.ab.4.43.4 on vlan100 [vlan]
? (208.181.68.97) at 0.1.2.3.4.5 on vlan100 [vlan]
I expected zero-filled and colon seperated MACs, the non filled and dot seperated MACs on the vlan interfaces are suprising.
>How-To-Repeat:
/usr/sbin/arp on any vlan pseudointerface.
>Fix:
--- usr.sbin/arp/arp.c.orig Fri Dec 24 11:45:11 2004
+++ usr.sbin/arp/arp.c Fri Dec 24 11:53:04 2004
@@ -523,7 +523,7 @@
}
printf("%s (%s) at ", host, inet_ntoa(addr->sin_addr));
if (sdl->sdl_alen) {
- if (sdl->sdl_type == IFT_ETHER &&
+ if ((sdl->sdl_type == IFT_ETHER || sdl->sdl_type == IFT_L2VLAN) &&
sdl->sdl_alen == ETHER_ADDR_LEN)
printf("%s", ether_ntoa((struct ether_addr *)LLADDR(sdl)));
else {
>Release-Note:
>Audit-Trail:
>Unformatted:
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