cisco-nsp-boun...@puck.nether.net wrote on 05/10/2011 01:44:35 PM: > On Tue, 10 May 2011, cisco...@secureobscure.com wrote: > > > Can the ASR9k acting as a pure MPLS P router collect the IP header netflow > > information for export from MPLS encapsulated traffic ingressing or > > egressing a given interface? Or is this feature only supported in a PE role? > > I don't have any direct experience with the ASR9K yet, but my guess would > be that whatever Netflow data export is done does not involve unwrapping
> the MPLS packets to look at the header data of the encapsulated IP packet. > I could be wrong though... For a little more info (though confusing to know what is the latest): See: http://www.cisco.com/en/US/technologies/tk648/tk362/technologies_white_paper09186a00800a3db9_ps6601_Products_White_Paper.html Table 6. NetFlow Version 9 Field Type Definitions (those related to MPLS) Field Type Value Length Description MPLS_TOP_LABEL_TYPE 46 1 MPLS Top Label Type: 0x00 UNKNOWN 0x01 TE-MIDPT 0x02 ATOM 0x03 VPN 0x04 BGP 0x05 LDP MPLS_TOP_LABEL_IP_ADDR 47 4 Forwarding Equivalent Class corresponding to the MPLS Top Label MPLS_LABEL_1 70 3 MPLS label at position 1 in the stack. This comprises 20 bits of MPLS label, 3 EXP (experimental) bits and 1 S (end-of-stack) bit. ... MPLS_LABEL_1 79 3 MPLS label at position 10 in the stack. This comprises 20 bits of MPLS label, 3 EXP (experimental) bits and 1 S (end-of-stack) bit. Joe _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/