The 192.168.1.0/24 route is different though. It looks like it doesn't exist at all, because when pinging from, for example 192.168.1.99, the traffic arrives correctly but instead of being sent back from 10.250.0.3 over the link on interface eth2.620 the Ubiquiti router tries to send them over …

!ICMP is transported over IP "ICMP messages are encapsulated in IP datarams "just like TCP and UDP are transported over IP. ICMP Messages!ICMP message "type "code "first 8 bytes of IP datagram triggering the ICMP message Type Code description 0 0 echo reply (ping) How to Allow Pings (ICMP Echo Requests) Through Your Mar 28, 2019 Solution to Wireshark Lab: ICMP The IP address of my host is 192.168.1.101. The IP address of the destination host is 138.96.146.2. 6. If ICMP sent UDP packets instead (as in Unix/Linux), would the IP protocol number still be 01 for the probe packets? If not, what would it be? No. If ICMP sent UDP packets instead, the IP … ICMP Message Types | Network Layer/Internet Protocols

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IP over Avian Carriers - Wikipedia In computer networking, IP over Avian Carriers (IPoAC) is a proposal to carry Internet Protocol (IP) traffic by birds such as homing pigeons.IP over Avian Carriers was initially described in RFC 1149, a Request for Comments (RFC) issued by the Internet Engineering Task Force (IETF), written by D. Waitzman, and released on April 1, 1990. It is one of several April Fools' Day Request for Comments. NSTX (IP-over-DNS) HOWTO Dec 06, 2010 Internet Control Message Protocol ICMP ICMP and UDP !ICMP is transported over IP "ICMP messages are encapsulated in IP datarams "just like TCP and UDP are transported over IP. ICMP Messages!ICMP message "type "code "first 8 bytes of IP datagram triggering the ICMP message Type Code description 0 0 echo reply (ping) How to Allow Pings (ICMP Echo Requests) Through Your