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titleconnectivity check from freeRouter to ISP IPv4 gateway


Code Block
languagebash
themeMidnight
titleping ISP demarcation point IP
ping 192.168.0.254 /vrf inet /interface sdn1                           
pinging 192.168.0.254, src=192.168.0.90, vrf=inet, cnt=5, len=64, tim=1000, ttl=255, tos=0, sweep=false
!!!!!
result=100%, recv/sent/lost=5/5/0, rtt min/avg/max/total=0/0/1/4


Code Block
languagebash
themeMidnight
titleARP discovery
mjolnir#sh ipv4 arp sdn1                                                       
mac             address        time      static
0024.d4a0.0cd3  192.168.0.254  00:00:20  false



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titleCheck freeRouter interface configuration


Code Block
languagebash
themeMidnight
titleAdd default route to OOBM sdn999@Linux level (check previous article)
sh int sdn1                                                          
sdn1 is up (since 13:14:14, 2 changes)
 description: mjolnir@LAN1[01:00.0]
 type is sdn, hwaddr=003b.7671.764f, mtu=1500, bw=8000kbps, vrf=inet
 ip4 address=192.168.0.90/24, netmask=255.255.255.0, ifcid=10014
 received 64038 packets (17841459 bytes) dropped 4 packets (326 bytes)
 transmitted 250217 packets (38032822 bytes) promisc=false macsec=false


Code Block
languagebash
themeMidnight
titleinterface summary
show interfaces summary                                                
interface    state  tx        rx        drop
ethernet0    up     74690935  51798769  0
sdn1         up     37954707  17828649  326
sdn2         admin  0         0         0
sdn3         admin  0         0         0
sdn4         admin  0         0         0
sdn5         admin  0         0         0
sdn6         admin  0         0         0
sdn998       admin  0         0         0
sdn999       up     23646     17904     0


Code Block
languagebash
themeMidnight
titleinterface summary
interface   state  tx          rx          drop
sdn1        up     674397352   3883928390  948
sdn2        admin  0           0           0
sdn3        admin  0           0           0
sdn4        admin  0           0           0
sdn5        admin  0           0           0
sdn6        admin  0           0           0
sdn998      admin  0           0           0
sdn999      up     110520      85072       0



Expand
titleCheck freeRouter CLI access via localhost

Check Linux appliance local routes

Code Block
languagebash
themeMidnight
titleLinux local routesFrom linux terminal
root@mjolnir:~# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         192.168.128.1   0.0.0.0         UG    0      0        0 veth1a

Test local telnet access from linux/localhost

...

  • we finally launched RARE/freeRouter with DPDK dataplane
  • configure RARE/freeRouter with a vanilla config that takes into account all the appliance physical interfaceinterfaces
  • added veth pair in the config in order to take into account:
    • Control plane / Data plane communication 
    • linux OOBM
    • integrated WIFI
  • Enabled and checked IPv4 connectivity between freeRouter@sdn1 and ISP demarcation point.
  • Check telnet access to freeRouter from localhost only
Tip
titleRARE validated design: [ SOHO #003 ] - key take-away

From this point you have a complete freeRouter connected to ISP box via SDN1 as uplink in 192.168.0.0/24 subnet. We will extend further this base configuration step by step in order to enrich user experience !

  • Now you would want to enable IPv4/IPv6  connectivity to all potential hosts@home whether they are connected via RJ45 or via built-in WIFI.
  • you would also want to distribute IPv4, IPv6 to all the of hosts@home
  • IPv4/IPv6 connectivity is not enough, you would like to provide Domain Name Service to them
  • Domain Name Service is not enough if they can't reach outside world. As we are using RFC1918 addressing plan we should figure out a way to ensure NAT/PAT address translation in order to enable egress traffic toward the Internet
  • Your home might have several floors and only one WIFI access point is not enough ? Let's see how we can add additional WIFI AP in the network
  • Maybe you have an outsourced network management service ? Let's see how connectivity can be enable via OpenVPN encrypted tunnel
  • Last but not least, let's see how we can connect DN42 parallel network using a wireguard Wireguard tunnel relying on an IPv6 underlay.

You've guessed it, all of these points will be elaborated in the futures articles. Therefore stay tuned !

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