Public bug reported:
I have an onboard network interface, described by lspci as: "Ethernet
controller: Sundance Technology Inc / IC Plus Corp IC Plus IP1000 Family
Gigabit Ethernet (rev 41)", and use the 'ipg' kernel module (in
ubuntu/net/ipg/ inside ubuntu kernel tree). The normal network
functionality seems ok, but I found out that avahi-discover wasn't
showing other people published services. Looking in Google I also found
out that some drivers have buggy support for local multicast as used by
Zeroconf.
The workaround is adding to eth0 'stanza' in /etc/network/interfaces
"pre-up ifconfig eth0 allmulti", to 'force' the interface process all
multicast packets. Even the solution make everything work fine, I think
some investigation in the module code would be good to check if
something is wrong/unimplemented there.
I recently upgraded to Feisty, but the problem (not seeing other
people's services) was in my old Edgy, too.
** Affects: Ubuntu
Importance: Undecided
Status: Unconfirmed
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Network driver 'ipg' isn't handling mDNS as expected
https://launchpad.net/bugs/99900
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