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In IP Multicasting what is the SPT-bit?

...and what does it mean if it is set or not set?

Is there a document that describes all the flags in the 'sh ip mroute' output?

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Cisco Employee

Re: In IP Multicasting what is the SPT-bit?

Hi Friend,

SPT-bit set indicates that packets have been received on the shortest path source tree.

You can look at this link which explain nearly all the flags

http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124tcr/timc_r/mlt_s1ht.htm#wp1073705

HTH

Ankur

*Pls rate all helpfull post

3 REPLIES
Cisco Employee

Re: In IP Multicasting what is the SPT-bit?

Hi Friend,

SPT-bit set indicates that packets have been received on the shortest path source tree.

You can look at this link which explain nearly all the flags

http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124tcr/timc_r/mlt_s1ht.htm#wp1073705

HTH

Ankur

*Pls rate all helpfull post

New Member

The Link provided here is not

The Link provided here is not working. Please post the currently working link here.

Cisco Employee

Mohammad,I am not sure if

Mohammad,

I am not sure if Ankur is still reachable after 8 years (though I hope he is!). Nonetheless, I believe this is the current document:

http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipmulti/command/imc-cr-book/imc_s1.html#wp3622554730

Scroll down to Table 24.

Best regards,
Peter

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