From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10565 invoked by alias); 31 Jul 2007 17:55:34 -0000 Received: (qmail 10557 invoked by uid 22791); 31 Jul 2007 17:55:32 -0000 X-Spam-Check-By: sourceware.org Received: from 204-133-123-27.dia.static.slbbi.com (HELO mail.chez-thomas.org) (204.133.123.27) by sourceware.org (qpsmtpd/0.31) with ESMTP; Tue, 31 Jul 2007 17:55:26 +0000 Received: by mail.chez-thomas.org (Postfix, from userid 999) id DECE119500D3; Tue, 31 Jul 2007 11:55:23 -0600 (MDT) Received: from [192.168.1.101] (hermes_local [192.168.1.101]) by mail.chez-thomas.org (Postfix) with ESMTP id 9223A195009F; Tue, 31 Jul 2007 11:55:19 -0600 (MDT) Message-ID: <46AF7786.50508@mlbassoc.com> Date: Tue, 31 Jul 2007 17:55:00 -0000 From: Gary Thomas User-Agent: Thunderbird 1.5.0.12 (X11/20070530) MIME-Version: 1.0 To: Alok Singh CC: ecos-discuss@ecos.sourceware.org References: <46AF506A.1020803@mlbassoc.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Mailing-List: contact ecos-discuss-help@ecos.sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: ecos-discuss-owner@ecos.sourceware.org Subject: Re: [ECOS] FW: [ECOS] ECOS: Free BSD - Default gateway entry , duplicate ARP//llinfo entries - X-SW-Source: 2007-07/txt/msg00232.txt.bz2 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Alok Singh wrote: > Gary, > Is it possible for you to send me a dump of arp table (using > db_show_arptab() or through some other means) before pinging to > 204.133.123.27, and after pinging to > 204.133.123.27 please!! That function is only in the old (OpenBSD) stack. [gthomas@hermes packages]$ find net -name "*.c" | xargs grep show_arp net/tcpip/current/src/sys/netinet/if_ether.c: * Use this from ddb: "call db_show_arptab" net/tcpip/current/src/sys/netinet/if_ether.c:db_show_arptab() Aren't you using the FreeBSD stack (the default and indeed, the only supported BSD stack)? > > regards, > Alok > > -----Original Message----- > From: ecos-discuss-owner@ecos.sourceware.org > [mailto:ecos-discuss-owner@ecos.sourceware.org] On Behalf Of Gary Thomas > Sent: Tuesday, July 31, 2007 8:38 PM > To: Alok Singh > Cc: ecos-discuss@ecos.sourceware.org > Subject: Re: [ECOS] FW: [ECOS] ECOS: Free BSD - Default gateway entry , > duplicate ARP//llinfo entries - > > Alok Singh wrote: >> Laurie, > >> When I ping to box IP (10.240.3.156), I see that the src mac address > in >> the echo reply from the box has the correct mac address. Also I'm able >> to access the DUT via all means(HTTP, telnet). The problem comes only >> when the routing table search results in default route(10.240.3.1). I >> see duplicate arp entries in the routing table below. The one that to >> which default rtentry points to (gwroute=0x805f8c40) has mac address > as >> 0 for 10.240.3.1. And at the same time, we have another mac entry for >> 10.240.3.1 that has mac correctly installed(rtentry=0x805f89c0). This > is >> creating problem. > >> I don't deny that it might be happening because of some wrong >> configuration from my side. > >> Can somebody give me a dump of the ECOS Free BSD routing table of a >> working box by using command "show_network_tables" please!! > > > Here's the output from the standard ping test, modified to show > the network tables. I also forced the second host to be one that > required going to a different network (via the gateway). It all > seems to work just fine for me. Note: the network tables look > pretty much as yours do. > > Start PING test > [eth_drv_ioctl] Warning: Driver can't set multi-cast mode > [eth_drv_ioctl] Warning: Driver can't set multi-cast mode > BOOTP[eth0] op: REQUEST > htype: Ethernet > hlen: 6 > hops: 0 > xid: 0x5ad53233 > secs: 0 > flags: 0x8000 > hw_addr: 00:08:e5:11:32:33 > client IP: 0.0.0.0 > my IP: 192.168.1.239 > server IP: 192.168.1.101 > gateway IP: 0.0.0.0 > options: > DHCP message: 3 REQUEST > DHCP server id: 192.168.1.101 > DHCP time 51: 3600 > DHCP time 58: 1800 > DHCP time 59: 3150 > subnet mask: 255.255.255.0 > gateway: 192.168.1.101 > domain server: 192.168.1.101, 204.133.123.27, 206.168.216.4 > domain name: chez-thomas.org > IP broadcast: 192.168.1.255 > DHCP option: 37/55.9: 54 51 58 59 1 3 6 15 28 > DHCP option: 39/57.2: 576 > DHCP requested ip: 192.168.1.239 > [eth_drv_ioctl] Warning: Driver can't set multi-cast mode > [eth_drv_ioctl] Warning: Driver can't set multi-cast mode > [eth_drv_ioctl] Warning: Driver can't set multi-cast mode > Routing tables > Destination Gateway Mask Flags Interface > 0.0.0.0 192.168.1.101 0.0.0.0 UG eth0 > 127.0.0.0 127.0.0.1 255.0.0.0 UG lo0 > 127.0.0.1 127.0.0.1 UH lo0 > 192.168.1.0 192.168.1.0 255.255.255.0 U eth0 > Interface statistics > eth0 IP: 192.168.1.239, Broadcast: 192.168.1.255, Netmask: > 255.255.255.0 > UP BROADCAST RUNNING MULTICAST MTU: 1500, Metric: 0 > Rx - Packets: 0, Bytes: 0, Tx - Packets: 0, Bytes: 0 > lo0 IP: 127.0.0.1, Broadcast: 127.0.0.1, Netmask: 255.0.0.0 > UP LOOPBACK RUNNING MULTICAST MTU: 16384, Metric: 0 > Rx - Packets: 0, Bytes: 0, Tx - Packets: 0, Bytes: 0 > PING server 192.168.1.101 from 192.168.1.239 > 64 bytes from 192.168.1.101: icmp_seq=0, time=0ms > 310 bytes from 192.168.1.101: icmp_seq=1, time=0ms > 556 bytes from 192.168.1.101: icmp_seq=2, time=0ms > 802 bytes from 192.168.1.101: icmp_seq=3, time=10ms > 1048 bytes from 192.168.1.101: icmp_seq=4, time=0ms > 1294 bytes from 192.168.1.101: icmp_seq=5, time=0ms > 1540 bytes from 192.168.1.101: icmp_seq=6, time=0ms > 1786 bytes from 192.168.1.101: icmp_seq=7, time=0ms > 2032 bytes from 192.168.1.101: icmp_seq=8, time=0ms > 2278 bytes from 192.168.1.101: icmp_seq=9, time=0ms > 2524 bytes from 192.168.1.101: icmp_seq=10, time=0ms > 2770 bytes from 192.168.1.101: icmp_seq=11, time=10ms > 3016 bytes from 192.168.1.101: icmp_seq=12, time=0ms > 3262 bytes from 192.168.1.101: icmp_seq=13, time=10ms > 3508 bytes from 192.168.1.101: icmp_seq=14, time=0ms > 3754 bytes from 192.168.1.101: icmp_seq=15, time=0ms > Sent 16 packets, received 16 OK, 0 bad > PING server 204.133.123.27 from 192.168.1.239 > 64 bytes from 204.133.123.27: icmp_seq=0, time=0ms > 310 bytes from 204.133.123.27: icmp_seq=1, time=0ms > 556 bytes from 204.133.123.27: icmp_seq=2, time=0ms > 802 bytes from 204.133.123.27: icmp_seq=3, time=0ms > 1048 bytes from 204.133.123.27: icmp_seq=4, time=0ms > 1294 bytes from 204.133.123.27: icmp_seq=5, time=0ms > 1540 bytes from 204.133.123.27: icmp_seq=6, time=0ms > 1786 bytes from 204.133.123.27: icmp_seq=7, time=0ms > 2032 bytes from 204.133.123.27: icmp_seq=8, time=0ms > 2278 bytes from 204.133.123.27: icmp_seq=9, time=0ms > 2524 bytes from 204.133.123.27: icmp_seq=10, time=0ms > 2770 bytes from 204.133.123.27: icmp_seq=11, time=0ms > 3016 bytes from 204.133.123.27: icmp_seq=12, time=0ms > 3262 bytes from 204.133.123.27: icmp_seq=13, time=0ms > 3508 bytes from 204.133.123.27: icmp_seq=14, time=10ms > 3754 bytes from 204.133.123.27: icmp_seq=15, time=0ms > Sent 16 packets, received 16 OK, 0 bad > PASS: > EXIT: > >> regards, >> Alok > >> -----Original Message----- >> From: ecos-discuss-owner@ecos.sourceware.org >> [mailto:ecos-discuss-owner@ecos.sourceware.org] On Behalf Of Laurie >> Gellatly >> Sent: Tuesday, July 31, 2007 3:24 AM >> To: ecos-discuss@ecos.sourceware.org >> Subject: RE: [ECOS] FW: [ECOS] ECOS: Free BSD - Default gateway entry > , >> duplicate ARP//llinfo entries - > >> Alok, >> I'm concerned at this: >> Destination Gateway Mask Flags Interface >> .. >> 10.240.3.0 10.240.3.0 255.255.255.0 U eth0 >> .. >> To me that says that the gateway is 10.240.3.0 but with a >> subnet of 255.255.255.0 that address is the network address and NOT >> a valid host address. In my books, either the address or the mask >> must be wrong. > >> I'd also be worried if you have a 0 MAC address as well. >> They'd be the areas I'd look at. > >> ...Laurie:{) > >> -----Original Message----- >> From: ecos-discuss-owner@ecos.sourceware.org >> [mailto:ecos-discuss-owner@ecos.sourceware.org]On Behalf Of Alok Singh >> Sent: Monday, 30 July 2007 9:31 PM >> To: ecos-discuss@ecos.sourceware.org >> Subject: [ECOS] FW: [ECOS] ECOS: Free BSD - Default gateway entry , >> duplicate ARP//llinfo entries - > > >> Hi, >> Any comments/hints/clues from routing experts out there!! > >> regards, >> Alok >> -----Original Message----- >> From: ecos-discuss-owner@ecos.sourceware.org >> [mailto:ecos-discuss-owner@ecos.sourceware.org] On Behalf Of Alok > Singh >> Sent: Sunday, July 29, 2007 7:20 AM >> To: ecos-discuss@ecos.sourceware.org >> Subject: [ECOS] ECOS: Free BSD - Default gateway entry , duplicate >> ARP//llinfo entries - > >> Hi, >> I'm using latest cvs code. This is the same issue I mentioned earlier, >> where I'm not able to access the box from a different subnet. I > debugged >> the issue further, and I see two llinfo entries corresponding to the >> default gateway. One is created as soon as the default routing entry > is >> configured. This has mac address as "0". Default gateway points to >> this entry. When I ping from other network, then arp of gateway is >> resolved. And this creates another entry in the routing table. But >> default gateway routing entry is still pointing to the old one that > ahs >> mac address as 0. Hence for every ping, I see an ARP request going out >> of the box. My GW is 10.240.3.1. I'm providing the ROUTE TREE dump >> below. Please have a look. Look for key field in the the dump to see > the >> duplication. I've verified that for IP addresses other than G/W, only >> one ARP entry is present( 10.240.3.136). MY box IP address >> is:10.240.3.156. I've enabled the debugs in icmp_input, and I can see >> that the imcp echo reply is being sent out to IP in different subnet- >> icmp_input from 10.240.10.236 to 10.240.3.156, len 40 >> icmp_input, type 8 code 0 >> icmp_send dst 10.240.10.236 src 10.240.3.156 >> ********************************************* >> Route tree for AF_INET >> rtentry=0x805f8d10 flags=0x10003 refcnt=0 use=7 expire=0 >> key=[16,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0] >> mask=[] >> gw=[16,2,0,0,10,240,3,1,128,60,139,80,128,33,93,72] >> ifp=0x805612d4 (dtl) ifa=0x805f8f30 >> ifa_addr=[16,2,0,0,10,240,3,156,0,0,0,0,0,0,0,0] >> ifa_dsta=[16,2,0,0,10,240,3,255,0,0,0,0,0,0,0,0] >> ifa_mask=[7,0,0,0,255,255,255] >> flags=0x101, refcnt=5, metric=0 >> genmask=[NULL] gwroute=0x805f8c40 llinfo=0x00000000 >> ------------ >> rtentry=0x805f8e90 flags=0x101 refcnt=3 use=0 expire=30 >> key=[16,2,0,0,10,240,3,0,0,0,0,0,0,0,0,0] >> mask=[7,255,255,255,255,255,255] > > gw=[54,18,0,1,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, >> 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] >> ifp=0x805612d4 (dtl) ifa=0x805f8f30 >> ifa_addr=[16,2,0,0,10,240,3,156,0,0,0,0,0,0,0,0] >> ifa_dsta=[16,2,0,0,10,240,3,255,0,0,0,0,0,0,0,0] >> ifa_mask=[7,0,0,0,255,255,255]= >> flags=0x101, refcnt=5, metric=0 >> genmask=[NULL] gwroute=0x00000000 llinfo=0x00000000 >> -------------- >> rtentry=0x805f89c0 flags=0x20405 refcnt=0 use=0 expire=4029 >> key=[16,2,0,0,10,240,3,1,0,0,0,0,0,0,0,0] >> mask=[NULL] > > gw=[54,18,0,1,6,0,6,0,0,15,181,52,144,196,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, >> 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] >> ifp=0x805612d4 (dtl) ifa=0x805f8f30 >> ifa_addr=[16,2,0,0,10,240,3,156,0,0,0,0,0,0,0,0] >> ifa_dsta=[16,2,0,0,10,240,3,255,0,0,0,0,0,0,0,0] >> ifa_mask=[7,0,0,0,255,255,255] >> flags=0x101, refcnt=5, metric=0 >> genmask=[NULL] gwroute=0x00000000 llinfo=0x805f8940 >> la_rt=0x805f89c0 la_hold=0x00000000, la_asked=0x0 >> ---------------------- >> rtentry=0x805f8c40 flags=0x2040d refcnt=1 use=0 expire=2999 >> key=[16,2,0,0,10,240,3,1,128,60,139,80,128,33,93,72] >> mask=[NULL] > > gw=[54,18,0,1,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, >> 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] >> ifp=0x805612d4 (dtl) ifa=0x805f8f30 >> ifa_addr=[16,2,0,0,10,240,3,156,0,0,0,0,0,0,0,0] >> ifa_dsta=[16,2,0,0,10,240,3,255,0,0,0,0,0,0,0,0] >> ifa_mask=[7,0,0,0,255,255,255] >> flags=0x101, refcnt=5, metric=0 >> genmask=[NULL] gwroute=0x00000000 llinfo=0x805f8ba0 >> la_rt=0x805f8c40 la_hold=0x80605e80, la_asked=0x0 >> ------------ >> rtentry=0x805f8ae0 flags=0x20405 refcnt=0 use=5 expire=1233 >> key=[16,2,0,0,10,240,3,136,0,0,0,0,0,0,0,0] >> mask=[NULL] > > gw=[54,18,0,1,6,0,6,0,0,20,42,44,68,86,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 >> ,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] >> ifp=0x805612d4 (dtl) ifa=0x805f8f30 >> ifa_addr=[16,2,0,0,10,240,3,156,0,0,0,0,0,0,0,0] >> ifa_dsta=[16,2,0,0,10,240,3,255,0,0,0,0,0,0,0,0] >> ifa_mask=[7,0,0,0,255,255,255] >> flags=0x101, refcnt=5, metric=0 >> genmask=[NULL] gwroute=0x00000000 llinfo=0x805f8a60 >> la_rt=0x805f8ae0 la_hold=0x00000000, la_asked=0x0 > > > >> I'm getting the address/GW from DHCP server. My routing table after >> configuring the IP address and GW is provided below. >> Routing tables > >> Destination Gateway Mask Flags Interface > >> 0.0.0.0 10.240.3.1 0.0.0.0 UG eth0 >> 10.240.3.0 10.240.3.0 255.255.255.0 U eth0 > >> 127.0.0.0 127.0.0.1 255.0.0.0 UG lo0 > >> 127.0.0.1 127.0.0.1 UH lo0 > >> Interface statistics > >> Eth0 IP: 10.240.3.156, Broadcast: 10.240.3.255, Netmask: >> 255.255.255.0 > >> UP BROADCAST RUNNING MULTICAST MTU: 1500, Metric: 0 > >> Rx - Packets: 100, Bytes: 19483, Tx - Packets: 12, Bytes: 720 > >> lo0 IP: 127.0.0.1, Broadcast: 127.0.0.1, Netmask: 255.0.0.0 > >> UP LOOPBACK RUNNING MULTICAST MTU: 16384, Metric: 0 > >> Rx - Packets: 0, Bytes: 0, Tx - Packets: 0, Bytes: > > > > >> regards, >> Alok > > > > - -- - ------------------------------------------------------------ Gary Thomas | Consulting for the MLB Associates | Embedded world - ------------------------------------------------------------ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFGr3eFmaKbSsQGV8ARAi++AJ4rmd/J6b8ZE6kDOidmwE+8ijdxagCgoyV2 9GMT2H8NZZmXecLxDXF8NNs= =bXEU -----END PGP SIGNATURE----- -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss