[Kirby Files <kfiles@xxxxxxxxxxx>]

Nope. Bandwidth is measured in metric units of bits, not IEC binary 
units. If you think about it, there is no natural restriction on 
bandwidth to occur in powers of 2, the way there is on, say, computer 
RAM. Packets are sized appropriately to their payload, whether that's 
40, 53 or 1500 bytes. Circuits are generally sized in multiples of 
64kbps, but are rarely/never exactly 2^n.

Thanks,
  --kirby

Michael Tuexen wrote on 03/29/2006 08:05 AM:
> Just wondering: Should it not be divided by 1024*1024 instead of 1000*1000?
>
> Best regards
> Michael
>
> On Mar 29, 2006, at 2:35 PM, Hannes Gredler wrote:
>
> > hi ethereal developers,
> >
> > attached a patch to display LMP bandwith values
> > in Mbps format rather than the Byte/s format which
> > is IMO a bit awkward to read.
> >
> > asking for inclusion
> >
> > tx,
> >
> > /hannes
> >
> > Index: epan/dissectors/packet-lmp.c
> > ===================================================================
> > --- epan/dissectors/packet-lmp.c        (revision 17750)
> > +++ epan/dissectors/packet-lmp.c        (working copy)
> > @@ -1356,8 +1356,8 @@
> >                                       "Verify Transport Mechanism: 
> > 0x%0x",
> >                                       tvb_get_ntohs(tvb, offset2+10));
> >                   proto_tree_add_text(lmp_object_tree, tvb, 
> > offset2+12, 4,
> > -                                     "Transmission Rate: %.10g",
> > -                                     tvb_get_ntohieee_float(tvb, 
> > offset2+12));
> > +                                     "Transmission Rate: %.3f Mbps",
> > +                                     tvb_get_ntohieee_float(tvb, 
> > offset2+12)*8/1000000);
> >                   proto_tree_add_text(lmp_object_tree, tvb, 
> > offset2+16, 4,
> >                                       "Wavelength: %d",
> >                                       tvb_get_ntohl(tvb, offset2+16));
> > @@ -1561,13 +1561,13 @@
> >
> >                       proto_item_set_text(ti2, "Interface Switching 
> > Capability: "
> >                                           "Switching Cap: %s, Encoding 
> > Type: %s, "
> > -                                         "Min BW: %.10g, Max BW: %.10g",
> > +                                         "Min BW: %.3f Mbps, Max BW: 
> > %.3f Mbps",
> >                                           
> > val_to_str(tvb_get_guint8(tvb, offset2+l+2),
> >                                                      
> > gmpls_switching_type_str, "Unknown (%d)"),
> >                                           
> > val_to_str(tvb_get_guint8(tvb, offset2+l+3),
> >                                                      
> > gmpls_lsp_enc_str, "Unknown (%d)"),
> > -                                         tvb_get_ntohieee_float(tvb, 
> > offset2+l+4),
> > -                                         tvb_get_ntohieee_float(tvb, 
> > offset2+l+8));
> > +                                         tvb_get_ntohieee_float(tvb, 
> > offset2+l+4)*8/1000000,
> > +                                         tvb_get_ntohieee_float(tvb, 
> > offset2+l+8)*8/1000000);
> >                       proto_tree_add_item(lmp_subobj_tree,
> >                                           
> > lmp_filter[LMPF_VAL_DATA_LINK_SUBOBJ_SWITCHING_TYPE],
> >                                           tvb, offset2+l+2, 1, FALSE);
> > @@ -1575,11 +1575,11 @@
> >                                           
> > lmp_filter[LMPF_VAL_DATA_LINK_SUBOBJ_LSP_ENCODING],
> >                                           tvb, offset2+l+3, 1, FALSE);
> >                       proto_tree_add_text(lmp_subobj_tree, tvb, 
> > offset2+l+4, 4,
> > -                                         "Minimum Reservable 
> > Bandwidth: %.10g bytes/s",
> > -                                         tvb_get_ntohieee_float(tvb, 
> > offset2+l+4));
> > +                                         "Minimum Reservable 
> > Bandwidth: %.3f Mbps",
> > +                                         tvb_get_ntohieee_float(tvb, 
> > offset2+l+4)*8/1000000);
> >                       proto_tree_add_text(lmp_subobj_tree, tvb, 
> > offset2+l+8, 4,
> > -                                         "Maximum Reservable 
> > Bandwidth: %.10g bytes/s",
> > -                                         tvb_get_ntohieee_float(tvb, 
> > offset2+l+8));
> > +                                         "Maximum Reservable 
> > Bandwidth: %.3f Mbps",
> > +                                         tvb_get_ntohieee_float(tvb, 
> > offset2+l+8)*8/1000000);
> > _______________________________________________
> > Ethereal-dev mailing list
> > Ethereal-dev@xxxxxxxxxxxx
> > http://www.ethereal.com/mailman/listinfo/ethereal-dev
>
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