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en:bpi-r2:network:start

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en:bpi-r2:network:start [2020/01/11 13:04]
frank [Monitoring]
en:bpi-r2:network:start [2020/01/11 13:08] (current)
frank [vlan aware bridge]
Line 315: Line 315:
 bridge vlan show bridge vlan show
 </​code>​ </​code>​
 +
 +==== testing ====
 +
 +  sudo tcpdump -XXi lan1 arp or icmp
 +
 +shows arp and icmp-packets as hex-dump on the interface
 +
 +offset 0x0c should show 8100 followed by hex-value of vlan-number (here vlan 500 = 0x01f4)
 +
 +  12:​16:​26.491644 IP 192.168.50.11 > frank-G5: ICMP echo reply, id 4294, seq 5, length 64
 + 0x0000: ​ 3c18 a003 c3a4 c63a 3897 5920 8100 01f4  <​......:​8.Y.....
 +
 ===== Firewall (iptables) ===== ===== Firewall (iptables) =====
 [[iptables]] [[iptables]]
en/bpi-r2/network/start.txt · Last modified: 2020/01/11 13:08 by frank