Allied Telesis AT-S63 - Manual (Page 317)

AT-S63 Management Software Features Guide
Section VII: Routing 317
Time to Live Exceeded (11) If the TTL field in a packet falls to
zero the switch will send a “Time to
live exceeded” packet. This could
occur if a route was excessively
long or if too many hops were in
the path.
Table 24. ICMP Messages Implemented on the AT-9400 Switch
ICMP Packet (Type) Switch Response