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* [http://bugzilla.redhat.com/show_bug.cgi?id=891214 Ethernet: noarp causes dst MAC to be the same as src MAC instead of broadcast]
* [http://bugzilla.redhat.com/show_bug.cgi?id=891214 Ethernet: noarp causes dst MAC to be the same as src MAC instead of broadcast]
* [https://bugzilla.redhat.com/show_bug.cgi?id=886617 Bridge/bond: Empty bond interface cannot be bridged unless you work around by manually setting the address]
* [http://bugzilla.redhat.com/show_bug.cgi?id=886617 Bridge/bond: Empty bond interface cannot be bridged unless you work around by manually setting the address]
* Dualstack: Kernel removes ::1 but not 127.0.0.1 when setting lo down
* Dualstack: Kernel removes ::1 but not 127.0.0.1 when setting lo down
* IPv4: Kernel can't store DHCP lifetime and cannot mark IPv4 addresses dynamic (in the DHCP sense)
* [http://bugzilla.redhat.com/show_bug.cgi?id=891234 IPv4: Kernel can't store DHCP lifetime and cannot mark IPv4 addresses dynamic (in the DHCP sense)]
* [https://bugzilla.redhat.com/show_bug.cgi?id=886116 IPv6: IPv6 networking breaks when loopback is set down and up]
* [http://bugzilla.redhat.com/show_bug.cgi?id=886116 IPv6: IPv6 networking breaks when loopback is set down and up]
* IPv6: Kernel ignores RA router preference
* IPv6: Kernel ignores RA router preference
* IPv6: Tempaddr cycling breaks TCP connections prematurely
* IPv6: Tempaddr cycling breaks TCP connections prematurely
* IPv6: Kernel doesn't cache RDNSS and DNSSL
* IPv6: Kernel doesn't cache RDNSS and DNSSL
* IPv6: Kernel doesn't provide default route information when defrtr is disabled
* [http://bugzilla.redhat.com/show_bug.cgi?id=891245 IPv6: Kernel doesn't provide managable IPv6 autoconfiguration]
* IPv6: Kernel doesn't provide prefix route information when pinfo is disabled
* ?Netlink: Kernel doesn't solve race condition between rtnl commands and events
* Netlink: Kernel doesn't solve race condition between rtnl commands and events
* <del>Netlink: Kernel doesn't send some link change notifications (e.g. mtu) for devices that are down</del>
* Netlink: Kernel doesn't send some link change notifications (e.g. mtu) for devices that are down


=== libnl ===
=== libnl ===

Revision as of 10:05, 2 January 2013

Known networking bugs

Only platform bugs that can influence various application and/or the overall behavior of the system belong here.

Kernel

libnl

  • rtnl_link_bond_add() succeeds when device already exists
  • rtnl_link_bridge_add() and rtnl_link_vlan_add missing

iproute

  • ip link show won't distinguish bridges and bonds
  • ip link show won't show vlan id
  • ip -6 route shows cached routes (ip -4 route doesn't)

glibc

More information about AI_ADDRCONFIG problems

dhclient

Avahi

NetworkManager

Testing tools

  • ping doesn't support IPv6 (you have to use ping6)
  • netstat and ss won't mark non-v6only sockets

Various applications

  • Assume that getaddrinfo() returns only one address and/or that such the first returned address works. See Networking/NameResolution.

Network related standards