Re: IPv6 autoconfiguration on a multihomed site

From: B ($B?_at_L@C#:H(B)
Date: 09/29/03

  • Next message: Brett Glass: "Transparent cache/Bridge with FreeBSD" 
    Date: Tue, 30 Sep 2003 02:22:57 +0900
To: Juan Rodriguez Hervella <jrh@it.uc3m.es>

    >>>>> On Mon, 29 Sep 2003 18:59:08 +0200,
    >>>>> Juan Rodriguez Hervella <jrh@it.uc3m.es> said:

    > I've got two routers sending RAs on the same link, so the
    > host is configured with two IPv6 prefix on the same NIC.

    > Watching the routing table I only see one default IPv6 route.

    > When I try to ping the global IPv6 address of one router, if
    > I'm lucky and the router is the same router which I've got
    > installed on the default route, it will answer.

    > The problem is that the host doesn't seem to realize that
    > it is on two links at the same time, so it always sends packets to the
    > default router....

    > For example, if there's only one RA, the autoconfiguration process
    > ends up with a link-route like this:

    > 2001:720:410:1001::/64 link#2 UC fxp0

    > On the other hand, when there are 2 RAs on the same link, this
    > route doesn't exist !

    I don't quite understand the situation...could you depict the network
    configuration with concrete prefixes/addresses, and describe the
    concrete problem (if it's a problem) with exact output of some
    commands (such as netstat, ifconfig, etc)?

    Thanks,

                                            JINMEI, Tatuya
                                            Communication Platform Lab.
                                            Corporate R&D Center, Toshiba Corp.
                                            jinmei@isl.rdc.toshiba.co.jp
    _______________________________________________
    freebsd-net@freebsd.org mailing list
    http://lists.freebsd.org/mailman/listinfo/freebsd-net
    To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"

  • Next message: Brett Glass: "Transparent cache/Bridge with FreeBSD"

    Relevant Pages

    • Re: SBS 2003 Misconfigured?
      ... Netgear router because it has 8 ports, utilizes UPNP (at least it did it ONCE ... You mentioned that you assigned the ISP IP to netopia AND the netgear. ... You *can* configure the netopia to operate in bridged mode, but in this configuration, it is literally acting as modem, converting DSL/ATM traffic to ethernet and would not hold a public IP of its own. ... Quickbooks on my server (I know, I shouldn't but I HAVE to because another ...
      (microsoft.public.windows.server.sbs)
    • Re: SBS 2003 Misconfigured?
      ... I agree, with what I could have / should have done as far as the router, ... Why didn't you just disconnect the Netgear and not touch the Netopia? ... Which, based on the configuration you gave, is part of the ...
      (microsoft.public.windows.server.sbs)
    • Re: OT:--CISCO EXPERTS...
      ... boxes and Cisco routers connected to these with X21 cable. ... You mention steep learning curve but if I can just get ino router maybe can ... > want to consider any risk of providing them with an insecure configuration ... >>> Telnet access should also be disabled leaving connection via SSH or ...
      (microsoft.public.windows.server.sbs)
    • Home DSL configuration BNCP problems
      ... The router information is as follows: ... With the posted configuration the dsl link is actually up and also the ... Outbound bridge packet dropped, BNCP state is Listen ... Vi2 BNCP: TIMEout: State Listen ...
      (comp.dcom.sys.cisco)
    • Re: VPN IPSEC issue, can you please help?
      ... > and I do have a Linksys router set up with a static IP to the ISP. ... > client VPN. ... > that without unravelling a server configuration that is working> otherwise. ...
      (microsoft.public.windows.server.sbs)