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Another case where we should use the routing table: There may be multiple routers on the same network. In that case, we have to search for the routing table for the router that forwards to the destination address. We do this when we determine the MAC address we want in the ARP logic

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Gregory Nutt 2013-10-05 19:08:57 -06:00
parent 28915376e5
commit 95be6425a9
1 changed files with 9 additions and 1 deletions
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10
nshlib/README.txt
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@ -242,6 +242,10 @@ o addroute <target> <netmask> <router>
to an external network characterized by the <target> IP address and to an external network characterized by the <target> IP address and
a network mask <netmask> a network mask <netmask>
Example:
nsh> addroute 1.1.1.1 2.2.2.2 3.3.3.3
o base64dec [-w] [-f] <string or filepath> o base64dec [-w] [-f] <string or filepath>
o base64dec [-w] [-f] <string or filepath> o base64dec [-w] [-f] <string or filepath>
@ -324,13 +328,17 @@ o dd if=<infile> of=<outfile> [bs=<sectsize>] [count=<sectors>] [skip=<sectors>]
brw-rw-rw- 0 ram0 brw-rw-rw- 0 ram0
nsh> dd if=/dev/ram0 of=/dev/null nsh> dd if=/dev/ram0 of=/dev/null
o delroute <target> <netmask> <router> o delroute <target> <netmask>
This command removes an entry from the routing table. The entry This command removes an entry from the routing table. The entry
removed will be the first entry in the routing table that matches removed will be the first entry in the routing table that matches
the external network characterized by the <target> IP address and the external network characterized by the <target> IP address and
the network mask <netmask> the network mask <netmask>
Example:
nsh> delroute 1.1.1.1 2.2.2.2
o df o df
Show the state of each mounted volume. Show the state of each mounted volume.