Differences between version 4 and predecessor to the previous major change of DestinationHostUnreachable.
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| Newer page: | version 4 | Last edited on Tuesday, June 1, 2004 11:54:04 pm | by MattBrown | Revert |
| Older page: | version 3 | Last edited on Tuesday, June 1, 2004 11:36:07 pm | by PerryLorier | Revert |
@@ -1,3 +1,3 @@
[ICMP] reason subcode 0x1, used with [ICMP] reason code 0x3 to explain why a DestinationUnreachable message was sent.
-It is usally generated by a gateway when it does not have a route for the destination specified in the IP packet that caused the error. Often this reason is used when the destination IP is on
a network that is locally connected to the
router sending the message, but
the router cannot solicit an
[ARP] reply for the specified IP address
.
+It is usally generated by a gateway when it does not have a route for the destination specified in the IP packet that caused the error. Often this reason is used when a router cannot contact
the next hop
router specified in it's routing table (ie. The next hop router is not responding to
[ARP] requests)
.
