Commit 5bfd736e authored by cedgar's avatar cedgar
Browse files

lead them to use tcpdump instead pcaps

parent b8adc0ea
......@@ -178,7 +178,7 @@ table_add mpls_tbl mpls_forward 3 => 00:00:00:03:01:00 3
6. As you modified the TTL of the IP header, and the IP header has a checksum field, it needs to be recomputed. Since this is the first time you have to compute a checksum, we already provide you the implementation. You just have to uncomment the code and understand what it does.
7. Use the pcap log files at the output of each switch to verify that your forwarding behavior works as expected. To this point, your packets should be arriving to `s7`.
7. Use `tcpdump` or the pcap log files at the output of each switch to verify that your forwarding behavior works as expected. To this point, your packets should be arriving to `s7`.
### Task 4. Removing packet labels from egress switches (s7)
......@@ -200,7 +200,7 @@ As you might have guessed, it is removing the MPLS header. In p4, a header is re
3. Fill up the table entries in `s7-commands.txt`.
4. At this point you should already be able to send ping requests from h1 to h2 and h3. You can run `tcpdump` from each of the two receiving hosts to see the result:
4. At this point you should already be able to send ping requests from h1 to h2 and h3. You can run `tcpdump` from each of the two receiving hosts to see the result: (`tcpdump -enn -l -i <interface_name>`)
From h1:
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