tcpdump mailing list archives
Missing IPv6 ICMPv6 Neighbor Solicitation with promiscuous mode turned off
From: Paul Sheer <paulsheer () gmail com>
Date: Thu, 23 Feb 2012 12:20:51 -0600
Hi there, With promiscuous mode turned off, libpcap successfully captures ARP requests (since they are sent to hw address ff:ff:ff:ff:ff:ff)..... However I would expect the same behavior with IPv6 ICMPv6 Neighbor Solicitation requests. These requests have the destination HW address of 33:33:xx:xx:xx:xx (a multicast address). I.e. I would not have thought that it be necessary to use promiscuous mode to see the Neighbor Solicitations. Note that we are using libpcap in a long-running application and would prefer not to use promiscuous mode. Is this a known problem? Does anyone know of a fix? I am using: tcpdump version 3.9.4 libpcap version 0.9.4 Linux 2.6.18 Kind regards -paul - This is the tcpdump-workers list. Visit https://cod.sandelman.ca/ to unsubscribe.
Current thread:
- Missing IPv6 ICMPv6 Neighbor Solicitation with promiscuous mode turned off Paul Sheer (Feb 23)
- Re: Missing IPv6 ICMPv6 Neighbor Solicitation with Aaron Turner (Feb 23)
- Re: Missing IPv6 ICMPv6 Neighbor Solicitation with Paul Sheer (Feb 23)
- Re: Missing IPv6 ICMPv6 Neighbor Solicitation with Michael Richardson (Feb 23)
- Re: Missing IPv6 ICMPv6 Neighbor Solicitation with Guy Harris (Feb 23)
- Re: Missing IPv6 ICMPv6 Neighbor Solicitation with Paul Sheer (Feb 23)
- Re: Missing IPv6 ICMPv6 Neighbor Solicitation with Guy Harris (Feb 23)
- Re: Missing IPv6 ICMPv6 Neighbor Solicitation with Michael Richardson (Feb 25)
- Re: Missing IPv6 ICMPv6 Neighbor Solicitation with Paul Sheer (Feb 23)
- Re: Missing IPv6 ICMPv6 Neighbor Solicitation with Aaron Turner (Feb 23)