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Re: ICMP Router Discovery
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Re: ICMP Router Discovery


  • Subject: Re: ICMP Router Discovery
  • From: Peter Lovell <email@hidden>
  • Date: Wed, 29 Jun 2005 06:48:35 -0400


On Jun 28, 2005, at 9:00 PM, Chase wrote:

the goal is simply to get a router address for a given interface.

i have a list of interfaces. some have ip addresses. some don't. for those that do, i need the gateway address that they are connected to.

But the point is that not every interface will have a router or gateway on it. Some will, others may not. Even if there is a router prepared to handle a certain type of traffic, your local configuration might have been configured to not use it, and handle traffic through a different one. Possible reasons for this are load balancing and network redundancy.


So there might be a router on each interface, and then again possibly not. There doesn't even HAVE to be a default gateway, as I can attest from having borking a configuration. In this situation you can connect only to machines local on the same net. Not very useful for what we mostly want to do, yet it's still a "valid" configuration.

Regards.....Peter
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References: 
 >ICMP Router Discovery (From: Chase <email@hidden>)
 >Re: ICMP Router Discovery (From: "Justin C. Walker" <email@hidden>)
 >Re: ICMP Router Discovery (From: Chase <email@hidden>)
 >Re: ICMP Router Discovery (From: Ian Stewart <email@hidden>)
 >Re: ICMP Router Discovery (From: Chase <email@hidden>)
 >Re: ICMP Router Discovery (From: Andrew Gallatin <email@hidden>)
 >Re: ICMP Router Discovery (From: Chase <email@hidden>)
 >Re: ICMP Router Discovery (From: Pelle Johansson <email@hidden>)
 >Re: ICMP Router Discovery (From: Chase <email@hidden>)
 >Re: ICMP Router Discovery (From: Chase <email@hidden>)
 >Re: ICMP Router Discovery (From: "Justin C. Walker" <email@hidden>)
 >Re: ICMP Router Discovery (From: Chase <email@hidden>)

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