Netexpertise

All systems need bridge-utils package installed either with yum or apt-get.   Redhat / Fedora Edit each network interface startup file that is going to be added to the bridge [root@redhat ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 HWADDR=00:C0:4F:44:41:8A ONBOOT=yes BRIDGE=br0   And create the bridge configuration file [root@redhat ~]# cat /etc/sysconfig/network-scripts/ifcfg-br0 DEVICE=br0 TYPE=Bridge BOOTPROTO=static BROADCAST=192.168.0.255 IPADDR=192.168.0.100 NETMASK=255.255.255.0 [...]

Tags: bridge, debian, fedora, linux, network, redhat, Startup, ubuntu

Dynamips and dynagen let you create a virtual Cisco router on a Linux box. It would be even better if that router was reachable from the LAN, wouldn’t it? Going further, that same router could lead us to another couple of virtual routers running in a lab.   Download and Installation Download dynamips and dynagen [...]

Tags: brctl, bridge, Cisco, debian, dynagen, dynamips, fedora, linux, redhat, router, tap, ubuntu, virtualization

I was surprised ifconfig wouldn’t return an interface for my Atheros chipset based Netgear wireless card. Unlike Redhat, Madwifi does not seem to compile on Ubuntu, no matter what version is used. Kernel headers installed, I keep getting the same error: /root/madwifi-0.9.4/net80211/ieee80211_power.c: In function ‘ieee80211_pwrsave’: /root/madwifi-0.9.4/net80211/ieee80211_power.c:240: error: implicit declaration of function ‘__skb_append’ make[3]: *** [/root/madwifi-0.9.4/net80211/ieee80211_power.o] [...]

Tags: Atheros, driver, linux, madwifi, Netgear, network, ubuntu, WEP, wifi, wireless, WPA