OpenStack Neutron Packet Walkthrough (DVR)
OpenStack Neutron Packet Walkthrough (DVR).
Twitter: @davidmahler
LinkedIn: https://www.linkedin.com/in/davidmahler
Links:
Me: https://www.linkedin.com/in/davidmahler
OpenStack Documentation: http://docs.openstack.org
RDO: http://rdoproject.org
Assaf Muller's Blog: http://assafmuller.com
Introduction to Neutron: https://youtu.be/yqFpyubsYfE
Linux Network Namespaces: https://youtu.be/_WgUwUf1d34
Introduction to VXLAN: https://youtu.be/Jqm_4TMmQz8
Introduction to Open vSwitch: https://youtu.be/rYW7kQRyUvA
Introduction to OpenFlow: https://youtu.be/l25Ukkmk6Sk
Some commands used:
# ip info
ip a
# see routing table
ip route
# see policy routing rules
ip rule list
# see a particular routing table
ip route show table (table id)
# list linux bridges
brctl show
# packet capture, disable resolution, show mac/L2 info, filter on icmp
tcpdump -i (interface) -n -e icmp
# list iptables rules
iptables -S
# iptables rules for the nat table only
iptables -S -t nat
# see open flow rules for a particular ovs instance and flow table
ovs-ofctl dump-flows (ovs instance name) table=(table number)
# watch open flow rules counters move
watch -n.5 "ovs-ofctl dump-flows (ovs instance name) table=(table number) | grep -v n_packets=0"
# see fowarding db of ovs
ovs-appctl fdb/show (ovs instance name)
# see ovs instances and their ports
ovs-vsctl show
# see open flow port numbers
ovs-ofctl show (ovs instance name)
# list network namespaces
ip netns
# go to a bash shell for a particular network namespace
ip netns exec (namespace id) bash
# list neutron routers
neutron router-list
# see where a neutron router is hosted
neutron l3-agent-list-hosting-router (router name)
# status of proxy arp
cat /proc/sys/net/ipv4/conf/(interface name)/proxy_arp
Видео OpenStack Neutron Packet Walkthrough (DVR) канала David Mahler
Twitter: @davidmahler
LinkedIn: https://www.linkedin.com/in/davidmahler
Links:
Me: https://www.linkedin.com/in/davidmahler
OpenStack Documentation: http://docs.openstack.org
RDO: http://rdoproject.org
Assaf Muller's Blog: http://assafmuller.com
Introduction to Neutron: https://youtu.be/yqFpyubsYfE
Linux Network Namespaces: https://youtu.be/_WgUwUf1d34
Introduction to VXLAN: https://youtu.be/Jqm_4TMmQz8
Introduction to Open vSwitch: https://youtu.be/rYW7kQRyUvA
Introduction to OpenFlow: https://youtu.be/l25Ukkmk6Sk
Some commands used:
# ip info
ip a
# see routing table
ip route
# see policy routing rules
ip rule list
# see a particular routing table
ip route show table (table id)
# list linux bridges
brctl show
# packet capture, disable resolution, show mac/L2 info, filter on icmp
tcpdump -i (interface) -n -e icmp
# list iptables rules
iptables -S
# iptables rules for the nat table only
iptables -S -t nat
# see open flow rules for a particular ovs instance and flow table
ovs-ofctl dump-flows (ovs instance name) table=(table number)
# watch open flow rules counters move
watch -n.5 "ovs-ofctl dump-flows (ovs instance name) table=(table number) | grep -v n_packets=0"
# see fowarding db of ovs
ovs-appctl fdb/show (ovs instance name)
# see ovs instances and their ports
ovs-vsctl show
# see open flow port numbers
ovs-ofctl show (ovs instance name)
# list network namespaces
ip netns
# go to a bash shell for a particular network namespace
ip netns exec (namespace id) bash
# list neutron routers
neutron router-list
# see where a neutron router is hosted
neutron l3-agent-list-hosting-router (router name)
# status of proxy arp
cat /proc/sys/net/ipv4/conf/(interface name)/proxy_arp
Видео OpenStack Neutron Packet Walkthrough (DVR) канала David Mahler
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