Forcing link speed
ifconfig em0 media 100BaseFX mediaopt full-duplex
| parameter | description |
|---|---|
| autoselect | Enables auto-negotiation for speed and duplex. |
| 10baseT/UTP | Sets 10Mbps operation. Use the mediaopt option to select full-duplex mode. |
| 100baseTX | Sets 100Mbps operation. Use the mediaopt option to select full-duplex mode. |
| 1000baseSX | Sets 1000Mbps operation. Only full-duplex mode is supported at this speed. |
| 1000baseTX | Sets 1000Mbps operation. Only full-duplex mode is supported at this speed. |
| full-duplex | Forces full-duplex operation |
| half-duplex | Forces half-duplex operation. |
working with routes (print routing table)
netstat -rn
creating interface vlans
ifconfig vlan0 create ifconfig vlan0 vlan 4 vlandev fxp0 ifconfig vlan0 inet a.a.a.a netmask x.x.x.x up
Globetrotter UMTS Card
cd /usr/ports/comm/hso-kmod/ make install clean kldload hso hsoctl -n -a internet -p PIN hso0 -u mobitel -k internet There is a problem with the code used from ports (at least for me it was). If you'll get disconnected right after connection, go to http://www.shapeshifter.se/code/hso/ and download/install the code manually. It's pretty trivial so no problems with it.
Firewalling
ipfw list
Firewalling IPv6 Below some rules of implementing firewall in FreeBSD. Using IPFW (please compile your kernel, if it’s not supported). It’s easy as IPv4.
# Simple Firewall : (allow network 2404:170::/32 to any host) ip6fw add 100 allow all from 2404:170::/32 to any in via fxp0 (allow network 2001:dc6::/32 to any host) ip6fw add 200 allow all from 2001:dc6::/32 to any in via fxp0 (allow all ipv6 to host 2404:170:ee02::10) ip6fw add 300 allow all from :: to 2404:170:ee02:ee02::10 in via fxp0 (deny other all traffic). ip6fw add 1000 deny all from any to any in via fxp0
FreeBSD GRE tunnels
<code> b0x# kldstat Id Refs Address Size Name 1 5 0xc0400000 34f898 kernel 2 14 0xc0750000 56270 acpi.ko 3 1 0xc0c97000 1c000 ipl.ko 4 1 0xc15ef000 4000 if_gre.ko
# kldload if_gre.ko # sysctl -w net.inet.ip.gre_default_mtu=1450 # ifconfig gre1 create # ifconfig gre1 tunnel 217.154.12.2 212.25.240.34 # ifconfig gre1 mtu 1450 # ifconfig gre1 inet 10.1.12.38 10.1.12.37 netmask 255.255.255.252 # ifconfig gre1 up <code>
or
# ifconfig gre1 inet 10.1.12.37 10.1.12.38 netmask 255.255.255.252 up # /usr/sbin/greconfig -i gre1 -v -s 212.25.240.34 -d 217.154.12.2
Manual IPv6 configuration
ifconfig rl0 inet6 2001:470:1f01:115::4 prefixlen 64 # add address ifconfig rl0 inet6 2001:470:1f01:115::4 delete # remove address route -n add -inet6 default 2001:470:1f01:115::1 # default route
Basic config:
ifconfig tlp0 inet6 2001:470:1f01:115::8 prefixlen 64 # add address ifconfig tlp0 inet6 2001:470:1f01:115::8 delete # remove address route add -inet6 default default_ip6_gateway_addr # default route
Setting up an IPv6-over-IPv4 tunnel:
ifconfig gif0 create ifconfig gif0 tunnel local_ip4_addr remove_ip4_addr ifconfig gif0 inet6 local_ip6_addr remote_ip6_addr prefixlen /128
For more information on IPv6 and NetBSD, please consult the NetBSD IPv6 Networking FAQ
Going through heavy developing phase …