default route brokeness

[Mike Hoskins]

On Wed, 24 Sep 2003, Mike Hoskins wrote:
> On Wed, 24 Sep 2003, Mike Tancsa wrote:
> > RELENG_4.  Make sure you have
> > smtp3# ident /usr/src/sys/netinet/if_ether.c
> > /usr/src/sys/netinet/if_ether.c:
> >       $FreeBSD: src/sys/netinet/if_ether.c,v 1.64.2.26 2003/09/24 21:48:00
> > bms Exp $
> > smtp3#
> mike at eng{mike}$ uname -a
> FreeBSD eng.sfo.televoke.net 4.8-RELEASE-p8 FreeBSD 4.8-RELEASE-p8 #14:
> Tue Sep 23 17:30:45 PDT 2003
> mike at eng.sfo.televoke.net:/usr/obj/usr/src/sys/ENG  i386
> mike at eng{mike}$ ident /usr/src/sys/netinet/if_ether.c
> /usr/src/sys/netinet/if_ether.c:
>      $FreeBSD: src/sys/netinet/if_ether.c,v 1.64.2.22.2.1 2003/09/23
> 16:44:58 bms Exp $

i assume these are related as well,

Sep 24 20:51:58 eng /kernel: arplookup 10.0.101.16 failed: host is not on
local network
<many snipped>

10.0.101/24 is a local (obviously), directly connected net.  i.e.

fxp1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 10.0.101.90 netmask 0xffffff00 broadcast 10.0.101.255
        ether 00:02:b3:a1:97:01
        media: Ethernet 100baseTX <full-duplex>
        status: active

it serves NFS, Samba, DNS, etc. clients.  worked perfectly before the
upgrade.  now (from upgraded server to 10.0.101/24 client),

mike at eng{mike}$ ping 10.0.101.16
PING 10.0.101.16 (10.0.101.16): 56 data bytes
64 bytes from 10.0.101.16: icmp_seq=0 ttl=63 time=0.383 ms
64 bytes from 10.0.101.16: icmp_seq=1 ttl=63 time=0.408 ms
^C
--- 10.0.101.16 ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max/stddev = 0.383/0.395/0.408/0.013 ms

works great but (from 10.0.101/24 client to directly connexted fxp1),

eth0      Link encap:Ethernet  HWaddr 00:90:27:FC:76:CB
          inet addr:10.0.101.16  Bcast:10.0.101.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:926 errors:0 dropped:0 overruns:0 frame:0
          TX packets:505 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:53417 (52.1 Kb)  TX bytes:54208 (52.9 Kb)
          Interrupt:22 Base address:0xece0 Memory:fafff000-fafff038

bash-2.05$ ping 10.0.101.90
PING 10.0.101.90 (10.0.101.90) from 10.0.101.16 : 56(84) bytes of data.

--- 10.0.101.90 ping statistics ---
5 packets transmitted, 0 packets received, 100% packet loss

does not.  per the entries in /var/log/messages on the newly upgraded
server it seems to be an arp issue...  but why only start now?  i'm
holding off on upgrading any other boxes, but want to get the SSH updates
ASAP.  any idea when networking on 4.8-pX will be stable again?

thanks,

-mrh

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