Bay Networks Bay Dial VPN, Configuration And Troubleshooting Manual

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Troubleshooting
115623B Rev. 00 BayStream Multiservice Software Version 7.2 11-23
The ping -t command displays the following information:
Dir The direction in which the ICMP packet is heading.
The >>> symbols indicate an outbound packet heading toward the
ping –t
destination. The <<< symbols indicate a return packet heading back
towards the
ping –t source. The *** symbols indicate that a router could
not forward the packet. In this case, the router discards the packet and
ping –t
terminates.
Router The IP address of the router interface over which the outbound or return
packet was forwarded.
Hops The number of routers that the outbound or return packet has crossed. If
the count skips a hop (for example, goes from 4 to 6), a traceroute
message was lost, probably due to network congestion.
Speed The speed, in bits per second, of the interface over which the outbound or
return packet was forwarded. If the packet could not be forwarded,
ping –t
displays a zero in this field.
MTU The maximum transmission unit (in bytes) of the interface over which the
outbound or return packet was forwarded. The MTU is the largest packet
size the interface can forward without fragmenting the packet. If the
packet cannot be forwarded because its size exceeds the MTU and its
header indicates not to fragment,
ping –t
displays a zero in this field.
Figure 11-1 shows a sample network topology used in the examples that follow.
Figure 11-1. Network Topology for ping -t Examples
DVS0005A
Router 1 Router 2
132.254.66.1
132.254.66.2 132.254.99.3
135.254.99.2 135.254.3.3.3 135.254.3.3.4
ping-t
source
ping-t
destination