[Dibbler] multiple Cisco relays to Dibbler server

Karl Auer kauer at biplane.com.au
Fri Nov 27 23:48:39 CET 2009

On Fri, 2009-11-27 at 14:13 +0100, Tomasz Mrugalski wrote:
> Also, if you want to serve differnt configurations, depending on which 
> relay was used, here's the config for that. Keep in mind that interface-id 
> may be a single integer (4 bytes), a string or a hex sequence. I'm not 
> sure which format is used by Cisco. Just make sure that it matches exactly 
> with the values added by your relays.

I found this in a Cisco doc:

   "The Interface-Identifier DHCPv6 Option added to the DHCPv6 relayed
    message is formed by the interface name concatenated with the VLAN
    Identifier when available. This way the value of the
    Interface-Identifier Option is persistent after a router reload."

But there is other information suggesting that it is just the interface
name. Either way it's a bit limited, as one might well have several
routers with the same interface names and VLANs...

Regards, K.

Karl Auer (kauer at biplane.com.au)                   +61-2-64957160 (h)
http://www.biplane.com.au/~kauer/                  +61-428-957160 (mob)

GPG fingerprint: 07F3 1DF9 9D45 8BCD 7DD5 00CE 4A44 6A03 F43A 7DEF

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