diff options
Diffstat (limited to 'vnfs/vLB/scripts/v_lb_init.sh')
| -rwxr-xr-x | vnfs/vLB/scripts/v_lb_init.sh | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/vnfs/vLB/scripts/v_lb_init.sh b/vnfs/vLB/scripts/v_lb_init.sh index d130c1ec..e41c4ef3 100755 --- a/vnfs/vLB/scripts/v_lb_init.sh +++ b/vnfs/vLB/scripts/v_lb_init.sh @@ -4,6 +4,30 @@ start vpp sleep 1 +# Compute the network CIDR from the Netmask +mask2cidr() { + nbits=0 + IFS=. + for dec in $1 ; do + case $dec in + 255) let nbits+=8;; + 254) let nbits+=7;; + 252) let nbits+=6;; + 248) let nbits+=5;; + 240) let nbits+=4;; + 224) let nbits+=3;; + 192) let nbits+=2;; + 128) let nbits+=1;; + 0);; + *) echo "Error: $dec is not recognized"; exit 1 + esac + done + echo "$nbits" +} + +IPADDR1_MASK=$(ifconfig eth0 | grep "Mask" | awk '{print $4}' | awk -F ":" '{print $2}') +IPADDR1_CIDR=$(mask2cidr $IPADDR1_MASK) + # Configure VPP for vPacketGenerator IPADDR1=$(ifconfig eth0 | grep "inet addr" | tr -s ' ' | cut -d' ' -f3 | cut -d':' -f2) IPADDR2=$(ifconfig eth1 | grep "inet addr" | tr -s ' ' | cut -d' ' -f3 | cut -d':' -f2) @@ -11,14 +35,14 @@ HWADDR1=$(ifconfig eth0 | grep HWaddr | tr -s ' ' | cut -d' ' -f5) HWADDR2=$(ifconfig eth1 | grep HWaddr | tr -s ' ' | cut -d' ' -f5) FAKE_HWADDR1=$(echo -n 00; dd bs=1 count=5 if=/dev/urandom 2>/dev/null |hexdump -v -e '/1 ":%02X"') FAKE_HWADDR2=$(echo -n 00; dd bs=1 count=5 if=/dev/urandom 2>/dev/null |hexdump -v -e '/1 ":%02X"') -GW=$(route | grep default | awk '{print $2}') +GW=$(route -n | grep "^0.0.0.0" | awk '{print $2}') ifconfig eth0 down ifconfig eth0 hw ether $FAKE_HWADDR1 ip addr flush dev eth0 ifconfig eth0 up vppctl tap connect tappub hwaddr $HWADDR1 -vppctl set int ip address tap-0 $IPADDR1"/24" +vppctl set int ip address tap-0 $IPADDR1"/"$IPADDR1_CIDR vppctl set int state tap-0 up brctl addbr br0 brctl addif br0 tappub |