Dynamic Routing with Zebra

Fetch the package 'zebra' from the FTP server (disk3) and install it

Copy the sample configuration files into place

# rpm -Uvh zebra-0.93b-1.i386.rpm
# cd /usr/share/doc/zebra-0.93b
# cp zebra.conf.sample /etc/zebra/zebra.conf
# cp ospfd.conf.sample /etc/zebra/ospfd.conf

Have a look at these files; they are very simple
On the router machine, edit /etc/zebra/ospfd.conf and add an OSPF section listing the network(s) on which you wish to exchange OSPF information
```
router ospf
  redistribute connected
  network 192.188.58.64/27 area 0
```

Configure your interfaces as normal

# ifconfig eth0 x.x.x.x netmask y.y.y.y
# ifconfig eth1 x.x.x.x netmask y.y.y.y

Start zebra and ospfd:

# /etc/rc.d/init.d/zebra start
# /etc/rc.d/init.d/ospfd start

Check your forwarding table (netstat -rn)

You can manage the router using telnet: the interface is just like a Cisco router! This lets you make configuration changes in real time.

# telnet 127.0.0.1 2601     -- to manage zebra
Try: show interface
     enable
     show run
     show ip route
# telnet 127.0.0.1 2604     -- to manage ospfd
Try: show ip ospf neighbours
     show ip ospf route

Hint: use [TAB] for command completion, and '?' to get a list of options

On the client machine, you can just point default route at the router. Or if you wish to play with zebra, then install it as above. You will need a 'network' statement on both machines to exchange information.

If you were running this in production, remember to change the default passwords!