Difference between revisions of "VPP/Pure L3 Between Namespaces with /32s"
From fd.io
< VPP
(Created page with "<pre> INDECES=(1 2) for i in ${INDECES[@]} do INDEX=${i};HNAME=host${INDEX};IP=10.10.1.$((${INDEX}+1));IPGW=10.10.1.1 #Create namespace sudo ip netns add ${HNAME}...") |
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| Line 1: | Line 1: | ||
| + | = Setup = | ||
<pre> | <pre> | ||
INDECES=(1 2) | INDECES=(1 2) | ||
| Line 32: | Line 33: | ||
done | done | ||
</pre> | </pre> | ||
| + | |||
| + | = Verify = | ||
<pre> | <pre> | ||
for i in ${INDECES[@]} | for i in ${INDECES[@]} | ||
| Line 41: | Line 44: | ||
done | done | ||
done | done | ||
| + | sudo vppctl show trace | ||
| + | for i in ${INDECES[@]} | ||
| + | do | ||
| + | INDEX=${i};HNAME=host${INDEX};IP=10.10.1.$((${INDEX}+1));IPGW=10.10.1.1 | ||
| + | sudo tcpdump -r /tmp/tcpdump-${HNAME}.libpcap -e | ||
| + | done | ||
| + | </pre> | ||
| + | |||
| + | = Cleanup = | ||
| + | <pre> | ||
| + | sudo ip netns exec ${HNAME} ip link del dev ${HNAME} | ||
| + | ps -ef | grep /tmp/tcpdump-${HNAME}.libpcap | awk '{print $2}' | xargs sudo kill | ||
| + | sudo service vpp restart | ||
</pre> | </pre> | ||
Revision as of 01:24, 29 August 2017
Setup
INDECES=(1 2)
for i in ${INDECES[@]}
do
INDEX=${i};HNAME=host${INDEX};IP=10.10.1.$((${INDEX}+1));IPGW=10.10.1.1
#Create namespace
sudo ip netns add ${HNAME}
sudo ip link add name vpp2${HNAME} type veth peer name ${HNAME}
sudo ip link set ${HNAME} netns ${HNAME}
sudo ip link
sudo ip netns exec ${HNAME} ip link
MACADDR=$(sudo ip netns exec ${HNAME} ip link show dev ${HNAME} | grep link | awk '{print $2}')
echo "MACADDR: ${MACADDR}"
sudo ip netns exec ${HNAME} tcpdump -i ${HNAME} -w /tmp/tcpdump-${HNAME}.libpcap &
sudo ip netns exec ${HNAME} ip addr add ${IP}/32 dev ${HNAME}
sudo ip netns exec ${HNAME} ip addr show ${HNAME}
sudo ip link set dev vpp2${HNAME} up
sudo vppctl create host-interface name vpp2${HNAME}
sudo vppctl show hardware
sudo vppctl trace add af-packet-input 100
sudo vppctl ip route add ${IP}/32 via ${IP} host-vpp2${HNAME}
sudo vppctl show ip fib ${IP}/32
sudo vppctl set interface ip address host-vpp2${HNAME} 127.0.0.$((${INDEX}+1))/32
sudo vppctl set ip arp host-vpp2${HNAME} ${IP} ${MACADDR}
sudo vppctl set int state host-vpp2${HNAME} up
VPP_MACADDRESS=$(sudo vppctl show hardware host-vpp2${HNAME} | grep "Ethernet address" | awk '{print $3}')
sudo ip netns exec ${HNAME} ip neigh add ${IPGW} lladdr ${VPP_MACADDRESS} dev ${HNAME}
sudo ip netns exec ${HNAME} ip link set dev ${HNAME} up
sudo ip netns exec ${HNAME} ip route add ${IPGW} dev ${HNAME} scope link
sudo ip netns exec ${HNAME} ip route add default via ${IPGW} dev ${HNAME}
sudo ip netns exec ${HNAME} ip route
done
Verify
for i in ${INDECES[@]}
do
INDEX=${i};HNAME=host${INDEX};IP=10.10.1.$((${INDEX}+1));IPGW=10.10.1.1
for j in ${INDECES[@]}
do
sudo ip netns ${HNAME} ping -c 1 10.10.1.$((${j}+1))
done
done
sudo vppctl show trace
for i in ${INDECES[@]}
do
INDEX=${i};HNAME=host${INDEX};IP=10.10.1.$((${INDEX}+1));IPGW=10.10.1.1
sudo tcpdump -r /tmp/tcpdump-${HNAME}.libpcap -e
done
Cleanup
sudo ip netns exec ${HNAME} ip link del dev ${HNAME}
ps -ef | grep /tmp/tcpdump-${HNAME}.libpcap | awk '{print $2}' | xargs sudo kill
sudo service vpp restart
