benjamin cactus.org wrote:
>Using ngctl as suggested in the "All About
Netgraph" Daemon News
>article (http:
//people.freebsd.org/~julian/netgraph.html ) by Archie
>Cobbs I get the following output:
>
>rootntp-2# nghook -a fxp0: divert
>nghook: can't connect to node
>
>rootntp-2# ngctl list
>There are 1 total nodes:
> Name: ngctl4352 Type: socket ID:
00000005 Num hooks: 0
>
>According to the article my four Ethernet interefaces
(see ifconfig output below) should display
>as persistent nodes. Any reason why they do not appear?
I compiled a custom kernel on two separate
>occasions, first to support IPFW/Dummynet, then later,
Netgraph.
>
>Thanks,
>Tom Benjamin
>
>##### kernel options added for 1st compile (IPFW)
>options BRIDGE
>options IPFIREWALL
>options IPFIREWALL_VERBOSE
>options IPFIREWALL_VERBOSE_LIMIT
>options DUMMYNET
>options NMBCLUSTERS
>options HZ=1000
>##### kernel options added for 2nd compile (NETGRAPH,
plus forgot IPDIVERT in 1st compile)
>options IPDIVERT
>options NETGRAPH
>
>
You need to also compile in or load the nodes you need.
options NETGRAPH_ETHER (I think)
(I forget the names.. look in LINT)
or
kldload ng_ether to load it dynamically
also, there is no "divert" hook for ng_ether
hooks.
hooks for ng-ether are:
lower (to get incoming packets and accept outgoing packets
)(connects to
the physical interface)
upper (to get outgoing packets and acceept incoming
packets)(connects to
the protocol mux/demux)
orphan (above the protocol demux. only gives you packets
that would
otherwise have been
discarded due to not being a known protocol.)
man 4 ng_ether
>##### end kernel options
>
># uname -a
>FreeBSD ntp-2.labs.iptv 6.0-RELEASE FreeBSD 6.0-RELEASE
#0: Thu May 25 14:34:57 CDT 2006
>
>rootntp-2# sysctl -a|grep graph
>netgraph_path 0 0K - 30 16
>netgraph_sock 0 0K - 5 64
>netgraph_msg 0 0K - 30
64,128,256,1024
>netgraph_node 0 0K - 5 256
>net.graph.maxalloc: 512
>net.graph.abi_version: 11
>net.graph.msg_version: 8
>net.graph.control.proto: 2
>net.graph.data.proto: 1
>net.graph.family: 32
>net.graph.recvspace: 20480
>net.graph.maxdgram: 20480
>
># ifconfig
>fxp0:
flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu
1500
> options=8<VLAN_MTU>
> inet6 fe80::2b0:d0ff:fee1:1754%fxp0 prefixlen 64
scopeid 0x1
> inet 192.168.10.1 netmask 0xffffff00 broadcast
192.168.10.255
> ether 00:b0:d0:e1:17:54
> media: Ethernet autoselect (100baseTX)
> status: active
>fxp1:
flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu
1500
> options=8<VLAN_MTU>
> inet6 fe80::2b0:d0ff:fee1:1755%fxp1 prefixlen 64
scopeid 0x2
> inet 10.3.40.250 netmask 0xffffff00 broadcast
10.3.40.255
> ether 00:b0:d0:e1:17:55
> media: Ethernet autoselect (100baseTX
<full-duplex>)
> status: active
>sis0:
flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu
1500
> options=8<VLAN_MTU>
> inet6 fe80::20f:b5ff:fe46:8e17%sis0 prefixlen 64
scopeid 0x3
> inet 144.60.43.147 netmask 0xffffff00 broadcast
144.60.43.255
> ether 00:0f:b5:46:8e:17
> media: Ethernet autoselect (100baseTX
<full-duplex>)
> status: active
>sis1:
flags=8842<BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu
1500
> options=8<VLAN_MTU>
> ether 00:0f:b5:46:59:63
> media: Ethernet autoselect (100baseTX
<full-duplex>)
> status: active
>lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu
16384
> inet6 ::1 prefixlen 128
> inet6 fe80::1%lo0 prefixlen 64 scopeid 0x5
> inet 127.0.0.1 netmask 0xff000000
>netgraph_24may2006.txt
>netgraph_26may2006.txt
>
>
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