Date: Thu, 13 Apr 2006 17:17:10 +0100 From: Bruce M Simpson <bms@spc.org> To: Stephen Clark <Stephen.Clark@seclark.us> Cc: freebsd-stable@freebsd.org Subject: Re: IP_MAX_MEMBERSHIPS Message-ID: <20060413161710.GC94628@spc.org> In-Reply-To: <443E4BE8.5080806@seclark.us> References: <443DB8A5.1020006@seclark.us> <20060413063214.GA94628@spc.org> <443E4BE8.5080806@seclark.us>
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On Thu, Apr 13, 2006 at 09:02:32AM -0400, Stephen Clark wrote: > Well I was trying to set up an ospf system with more than 20 neighbors > and could only get 20 neighors to show up in quagga, so I posed the > question to the quagga mailing list and got > the following responses: Thanks, yes, I saw the #define, it only has per-socket granularity is the point I was trying to make very early in the morning. Are the 20 different neighbours on separate ifnets i.e. separate distinct interfaces as FreeBSD's ifconfig(8) reports them? If so, we have a problem. XORP in particular uses a single raw socket where possible to deal with the raw-ip needs of a routing protocol, usually OSPF. If there is a hard-coded limit of this kind then this is obviously going to break OSPF when configured with more than 20 peers with distinct and separate ifnet paths. I'm curious about why you have 20 ifnets. Do you really have this many physical interfaces, or are you using vlans / some kind of VPN encapsulation? Regards, BMS
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