Date: Sat, 27 Jul 1996 15:22:39 -0700 (PDT) From: Dave Babler <dbabler@Rigel.orionsys.com> To: questions@freebsd.org Subject: Dumb routing question Message-ID: <Pine.BSF.3.91.960727151027.1778A-100000@Rigel.orionsys.com>
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In trying to optimize some things, I recently ran a verbose traceroute and found the following at the start of it: ---- 1 199.190.67.1 (199.190.67.1) 36 bytes to 205.148.224.9 120.225 ms 36 bytes from 127.0.0.1 to 127.0.0.1: icmp type 3 (Dest Unreachable) code 3 4: x00470045 8: x000005f3 12: x00001140 16: x0100007f 20: x0100007f 24: xd0043500 28: x00003300 32: x00000000 Repeated for the first 2 hops (both thru my ISP). My setup is: Internet <-> FRAD <-----+--> Rigel.orionsys.com (205.148.224.9) 205.148.224.1 | +--> bbs.orionsys.com (205.148.224.2) My ISP maintains my nameserver, and 199.190.67.1 is the first hop toward the ISP... ---- from sysconfig network_interfaces="lo0 ix0" ifconfig_lo0="inet localhost" ifconfig_ix0="inet 205.148.224.9 netmask 0xffffff00" static_routes="multicast loopback" route_multicast="224.0.0.0 -netmask 0xf0000000 -interface ${hostname}" route_loopback="${hostname} localhost" defaultrouter=205.148.224.1 namedflags="-b /etc/namedb/named.boot" gated=NO ---- from netstat -rn Routing tables Internet: Destination Gateway Flags Refs Use Netif Expire default 205.148.224.1 UGSc 41 371 ix0 127.0.0.1 127.0.0.1 UH 3 547 lo0 205.148.224 link#2 UC 0 0 205.148.224.1 0:a0:eb:0:1a:6b UHLW 42 0 ix0 740 205.148.224.9 127.0.0.1 UGHS 0 0 lo0 224 link#2 UCS 0 0 ---- from ifconfig -a lp0: flags=8810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500 ix0: flags=63<UP,BROADCAST,NOTRAILERS,RUNNING> mtu 1500 inet 205.148.224.9 netmask 0xffffff00 broadcast 205.148.224.255 lo0: flags=8009<UP,LOOPBACK,MULTICAST> mtu 16384 inet 127.0.0.1 netmask 0xff000000 sl0: flags=c010<POINTOPOINT,LINK2,MULTICAST> mtu 552 tun0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500 ---- What am I doing wrong? Everything works, but the odd unreachable loopback message has me confused (not an unusual state). Is this degrading performance? -Dave
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