Dell Networking OS10 How to use ping utility with a source IP, MTU, VRF, and do not fragment bit

Note: Use an IP address as source rather than an interface name when using -I (Source Ping) option.
 

Index

Ping with a source IP address
Ping to an Ip address with packet size set
With do not fragment set
Allowing fragmentation (df bit set to 0)
Ping in a VRF
Example Cases


 

Ping with a source IP address

Syntax 
ping <Destination IP> -I <Source IP>
(Note : I is Capital letter)

Source IP can only be an IP address configured on switch locally
Example
OS10# ping 10.0.0.1 -I 20.0.0.1


 

Ping to a IP address with packet size set

Syntax
ping <Destination IP> -s <Size>

Here the df-bit is set hence the ICMP packet will not be fragmented
Example
OS10#ping 10.0.0.1 -s 9100


 

With do not fragment set

Syntax
ping <Destination IP> -s <Size>

Here the df-bit is set hence the ICMP packet will not be fragmented. By default df bit is set
Example
OS10#ping 10.0.0.1 -s 9100


 

Allowing fragmentation (df bit set to 0)

Syntax
ping <destination IP> -M dont

Here the df-bit is 0 hence the packet can be fragmented
Example
OS10#ping 10.0.0.1 -M dont


 

Ping in a VRF

Syntax
ping vrf <VRF-Name> <Destination IP>

Example
OS10# ping vrf RED 10.0.0.1
(RED is VRF name)


 

Example Cases

Consider we have to ping Ip address 10.0.0.1 and with Source IP address in switch as 20.0.0.1 and size 9100 and can be fragmented
OS10# ping 10.0.0.1 -I 20.0.0.1 -s 9100 -M dont

VRF
Consider we have to ping Ip address 10.0.0.1, in VRF RED and with Source IP address in switch as 20.0.0.1 and size 9100 and should not be fragmented
OS10# ping vrf RED 10.0.0.1 -I 20.0.0.1 -s 9100

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