Connectivity Guide

– --mtu — (Optional) Discovers the maximum transmission unit (MTU) from the path being traced.
– --back — (Optional) Prints the number of backward hops when dierent from the forward direction.
– host — (Required) Enter the name or IP address of the destination device.
– packet_len — (Optional) Enter the total size of the probing packet. The default is 60 bytes for IPv4 and
80 for IPv6.
Default Not congured
Command Mode EXEC
Usage Information None
Example
OS10# traceroute www.dell.com
traceroute to www.dell.com (23.73.112.54), 30 hops max, 60 byte packets
1 10.11.97.254 (10.11.97.254) 4.298 ms 4.417 ms 4.398 ms
2 10.11.3.254 (10.11.3.254) 2.121 ms 2.326 ms 2.550 ms
3 10.11.27.254 (10.11.27.254) 2.233 ms 2.207 ms 2.391 ms
4 Host65.hbms.com (63.80.56.65) 3.583 ms 3.776 ms 3.757 ms
5 host33.30.198.65 (65.198.30.33) 3.758 ms 4.286 ms 4.221 ms
6 3.GigabitEthernet3-3.GW3.SCL2.ALTER.NET (152.179.99.173) 4.428 ms 2.593
ms 3.243 ms
7 0.xe-7-0-1.XL3.SJC7.ALTER.NET (152.63.48.254) 3.915 ms 3.603 ms 3.790 ms
8 TenGigE0-4-0-5.GW6.SJC7.ALTER.NET (152.63.49.254) 11.781 ms 10.600 ms
9.402 ms
9 23.73.112.54 (23.73.112.54) 3.606 ms 3.542 ms 3.773 ms
Example (IPv6)
OS10# traceroute 20::1
traceroute to 20::1 (20::1), 30 hops max, 80 byte packets
1 20::1 (20::1) 2.622 ms 2.649 ms 2.964 ms
Supported Releases 10.2.0E or later
Password recovery
You may need to recover a lost password.
1 Connect to the serial console port. The serial settings are 115200 baud, 8 data bits, and no parity.
2 Reboot or power up the system.
3 Press ESC at the Grub prompt to view the boot menu. The OS10-A partition is selected by default.
+-------------------------------------------+
|*OS10-A |
| OS10-B |
| ONIE |
+-------------------------------------------+
4 Press e to open the OS10 GRUB editor.
5 Use the arrow keys to highlight the line that starts with linux. Add init=bin/bash at the end of the line.
+-------------------------------------------------------------------------------------------+
|setparams 'OS10-A' |
| |
| set root='(hd0,gpt7)' |
| echo 'Loading OS10 ...' |
| linux (hd0,gpt7)/boot/os10.linux console=ttyS0,115200 root=/dev/sda7 \rw init=/bin/bash |
| initrd (hd0,gpt7)/boot/os10.initrd |
+-------------------------------------------------------------------------------------------+
6 Press Ctrl + x to reboot your system. If Ctrl + x does not cause the system to reboot, press Alt + 0. The system boots up to a root
shell without a password.
7 Enter usermod -s /bin/bash linuxadmin at the system prompt to enable linuxadmin user.
root@OS10: /# usermod -s /bin/bash linuxadmin
1170
Troubleshoot OS10