Dell PowerConnect 6248 Configuration Guide - Page 12

Traceroute, CLI Example

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Traceroute Use Traceroute to discover the routes that packets take when traveling on a hop-by-hop basis to their destination through the network. • Maps network routes by sending packets with small Time-to-Live (TTL) values and watches the ICMP time-out announcements • Command displays all L3 devices • Can be used to detect issues on the network • Tracks up to 30 hops • Default UDP port uses 33434 unless modified in the traceroute command CLI Example The following shows an example of using the traceroute command to determine how many hops there are to the destination. The command output shows each IP address the packet passes through and how long it takes to get there. In this example, the packet takes 16 hops to reach its destination. console#traceroute ? ip ipv6 Enter IP Address. Use keyword 'ipv6' if entering IPv6 Address. console#traceroute 72.14.253.99 Traceroute to 72.14.253.99 ,30 hops max 0 byte packets: 1 10.131.10.1 2 210.210.108.193 3 192.168.81.1 4 210.214.5.161 5 210.214.5.169 6 124.7.202.2 7 210.18.7.166 8 202.144.2.193 9 202.144.113.151 10 72.14.196.97 11 216.239.43.216 12 216.239.43.209 13 216.239.43.222 14 216.239.43.221 15 209.85.250.88 16 209.85.250.105 17 209.85.250.91 18 216.239.47.237 19 216.239.46.211

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12
System Configuration
Traceroute
Use Traceroute to discover the routes that packets take when traveling on a hop-by-hop basis to their
destination through the network.
•
Maps network routes by sending packets with small Time-to-Live (TTL) values and watches the ICMP
time-out announcements
•
Command displays all L3 devices
•
Can be used to detect issues on the network
•
Tracks up to 30 hops
•
Default UDP port uses 33434 unless modified in the traceroute command
CLI Example
The following shows an example of using the traceroute
command to determine how many hops there
are to the destination. The command output shows each IP address the packet passes through and how
long it takes to get there. In this example, the packet takes 16 hops to reach its destination.
console#traceroute ?
ip
Enter IP Address.
ipv6
Use keyword 'ipv6' if entering IPv6 Address.
console#traceroute 72.14.253.99
Traceroute to 72.14.253.99 ,30 hops max 0 byte packets:
1
10.131.10.1
<10 ms
<10 ms
<10 ms
2
210.210.108.193
<10 ms
10 ms
<10 ms
3
192.168.81.1
<10 ms
10 ms
<10 ms
4
210.214.5.161
<10 ms
10 ms
10 ms
5
210.214.5.169
<10 ms
<10 ms
10 ms
6
124.7.202.2
10 ms
<10 ms
<10 ms
7
210.18.7.166
40 ms
30 ms
30 ms
8
202.144.2.193
30 ms
30 ms
30 ms
9
202.144.113.151
30 ms
40 ms
30 ms
10
72.14.196.97
40 ms
30 ms
100 ms
11
216.239.43.216
40 ms
40 ms
30 ms
12
216.239.43.209
60 ms
40 ms
40 ms
13
216.239.43.222
40 ms
50 ms
50 ms
14
216.239.43.221
100 ms
110 ms
100 ms
15
209.85.250.88
130 ms
130 ms
120 ms
16
209.85.250.105
130 ms
120 ms
130 ms
17
209.85.250.91
160 ms
160 ms
160 ms
18
216.239.47.237
290 ms
240 ms
250 ms
19
216.239.46.211
240 ms
270 ms
250 ms