how to set a route to an AF_LINK type

[Mark Jayson Alvarez]

Hi,

Ruslan Ermilov <ru at freebsd.org> wrote:
  On Thu, Dec 01, 2005 at 11:27:19PM -0800, Mark Jayson Alvarez wrote:
 >  
 > Hi,
 >  
 >  I'm not sure what I did wrong. My carp setup with 2 machines sharing 1 
 > virtual ip is working perfect for 3 days now, until today, I got these 
 > messages in /var/log/messages
 >  
 >  kernel: carp: incorrect hash
 >  arp_rtrequest:bad gateway 10.10.8.146 (!AF_LINK)
 >  
 >  googling brought me to this link:
 >  
 > http://lists.freebsd.org/pipermail/freebsd-net/2004-January/002608.html
 >  
 >  However, It doesn't show how to resolve the problem. After rebooting 
 > the machine, it still doesn't work (when it is supposed to)
 >  Netstat -rn gives me:
 >  
 >  default            10.10.8.254        UGS         0     1074    xl0
 >  10.10.8/24         link#1             UC          0        0    xl0
 >  10.10.8.112        00:0e:a6:c9:ac:19  UHLW        1       46    xl0   
 > 1186
 >  10.10.8.254        00:01:02:9a:7f:c3  UHLW        2        1    xl0    
 > 827
 >  127.0.0.1          127.0.0.1          UH          0        0    lo0
 >  
 > 
 > Is the route type (AF_LINK) configurable? where? How will I know if it is an AF_LINK type? 
 > Rebooting doesn't fix the corrupted routing table either.
 >  Any idea how to eliminate the problem?
 > 
 
 >It's the gateway's address family that is AF_LINK, not a "route >type".
 >For example, routes for 10.10.8.112 and 10.10.8.254 have >gateways of
 >type AF_LINK (Ethenet addresses).  I don't know about this specific
 >problem, but adding a route with AF_LINK gateway can be done >using a
 >route(8) command, for example:
 
 
 ># route add -host 1.2.3.4 -link :0.1.2.3.4.5 -ifp lo0
 
 >Which doesn't make any sense, and is presented only to >demonstrate
 >the ability to add AF_LINK gateway.  The following command adds >an
 >"ARP route" through em0 which doesn't have a corresponding >network,
 >and is otherwise not possible to do with the arp(8) command:
 
 ># route add -host 1.2.3.4 -link :0.1.2.3.4.5 -ifp em0 -iface
 >add host 1.2.3.4: gateway :0.1.2.3.4.5
 ># arp -n 1.2.3.4
 >? (1.2.3.4) at 00:01:02:03:04:05 on em0 permanent [ethernet]
 
 
 Ok, so how will I go about my problem? I tried reinstalling FreeBSD from scratch yet it still doesn't work. Any more idea?
 Thanks.
 


		
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