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OpenStack or Bust, Part 10: br-eth1 net/cmp dumps, before

Mar 20th, 2013
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  1. ### The following were performed before allowing VLAN id 1024 on the trunked switchports of the compute and network nodes.
  2.  
  3. # After you set up the tcpdump runs below, run the following from your novnc session:
  4. /etc/init.d/S40network restart
  5.  
  6. # On the compute node:
  7. root@kvm-sn-10i:~# tcpdump -ne -i br-eth1 | grep -i dhcp
  8. tcpdump: verbose output suppressed, use -v or -vv for full protocol decode                    # hello vlans!
  9. listening on br-eth1, link-type EN10MB (Ethernet), capture size 65535 bytes                   # vvvvvvv
  10. 19:09:56.509175 fa:16:3e:93:58:92 > ff:ff:ff:ff:ff:ff, ethertype 802.1Q (0x8100), length 326: vlan 1024, p 0, ethertype IPv4, 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from fa:16:3e:93:58:92, length 280
  11. 19:09:59.512423 fa:16:3e:93:58:92 > ff:ff:ff:ff:ff:ff, ethertype 802.1Q (0x8100), length 326: vlan 1024, p 0, ethertype IPv4, 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from fa:16:3e:93:58:92, length 280
  12. 19:10:02.515859 fa:16:3e:93:58:92 > ff:ff:ff:ff:ff:ff, ethertype 802.1Q (0x8100), length 326: vlan 1024, p 0, ethertype IPv4, 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from fa:16:3e:93:58:92, length 280
  13.  
  14. # On the network node:
  15. root@knet-sn-01i:~# tcpdump -ne -i br-eth1 | grep -i dhcp
  16. tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
  17. listening on br-eth1, link-type EN10MB (Ethernet), capture size 65535 bytes
  18. #....< Nothing! Just crickets >....
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