[c-nsp] ASIC to switch port mapping

David Prall dcp at dcptech.com
Mon Sep 13 12:13:06 EDT 2010


On a 48 port 3560E, 24 ports per ASIC

cat3560-2#sh platform pm if-numbers
interface gid  gpn  lpn  port slot unit slun port-type lpn-idb gpn-idb
----------------------------------------------------------------------
Gi0/1     1    1    1    1/1  1    1    1    local     Yes     Yes
Gi0/2     2    2    2    1/0  1    2    2    local     Yes     Yes
Gi0/3     3    3    3    1/3  1    3    3    local     Yes     Yes
Gi0/4     4    4    4    1/2  1    4    4    local     Yes     Yes
Gi0/5     5    5    5    1/5  1    5    5    local     Yes     Yes
Gi0/6     6    6    6    1/4  1    6    6    local     Yes     Yes
Gi0/7     7    7    7    1/7  1    7    7    local     Yes     Yes
Gi0/8     8    8    8    1/6  1    8    8    local     Yes     Yes
Gi0/9     9    9    9    1/9  1    9    9    local     Yes     Yes
Gi0/10    10   10   10   1/8  1    10   10   local     Yes     Yes
Gi0/11    11   11   11   1/11 1    11   11   local     Yes     Yes
Gi0/12    12   12   12   1/10 1    12   12   local     Yes     Yes
Gi0/13    13   13   13   1/25 1    13   13   local     Yes     Yes
Gi0/14    14   14   14   1/24 1    14   14   local     Yes     Yes
Gi0/15    15   15   15   1/15 1    15   15   local     Yes     Yes
Gi0/16    16   16   16   1/14 1    16   16   local     Yes     Yes
Gi0/17    17   17   17   1/17 1    17   17   local     Yes     Yes
Gi0/18    18   18   18   1/16 1    18   18   local     Yes     Yes
Gi0/19    19   19   19   1/19 1    19   19   local     Yes     Yes
Gi0/20    20   20   20   1/18 1    20   20   local     Yes     Yes
Gi0/21    21   21   21   1/21 1    21   21   local     Yes     Yes
Gi0/22    22   22   22   1/20 1    22   22   local     Yes     Yes
Gi0/23    23   23   23   1/23 1    23   23   local     Yes     Yes
Gi0/24    24   24   24   1/22 1    24   24   local     Yes     Yes
Gi0/25    25   25   25   2/1  1    25   25   local     Yes     Yes
Gi0/26    26   26   26   2/0  1    26   26   local     Yes     Yes
Gi0/27    27   27   27   2/3  1    27   27   local     Yes     Yes
Gi0/28    28   28   28   2/2  1    28   28   local     Yes     Yes
Gi0/29    29   29   29   2/5  1    29   29   local     Yes     Yes
Gi0/30    30   30   30   2/4  1    30   30   local     Yes     Yes
Gi0/31    31   31   31   2/7  1    31   31   local     Yes     Yes
Gi0/32    32   32   32   2/6  1    32   32   local     Yes     Yes
Gi0/33    33   33   33   2/9  1    33   33   local     Yes     Yes
Gi0/34    34   34   34   2/8  1    34   34   local     Yes     Yes
Gi0/35    35   35   35   2/11 1    35   35   local     Yes     Yes
Gi0/36    36   36   36   2/10 1    36   36   local     Yes     Yes
Gi0/37    37   37   37   2/25 1    37   37   local     Yes     Yes
Gi0/38    38   38   38   2/24 1    38   38   local     Yes     Yes
Gi0/39    39   39   39   2/15 1    39   39   local     Yes     Yes
Gi0/40    40   40   40   2/14 1    40   40   local     Yes     Yes
Gi0/41    41   41   41   2/17 1    41   41   local     Yes     Yes
Gi0/42    42   42   42   2/16 1    42   42   local     Yes     Yes
Gi0/43    43   43   43   2/19 1    43   43   local     Yes     Yes
Gi0/44    44   44   44   2/18 1    44   44   local     Yes     Yes
Gi0/45    45   45   45   2/21 1    45   45   local     Yes     Yes
Gi0/46    46   46   46   2/20 1    46   46   local     Yes     Yes
Gi0/47    47   47   47   2/23 1    47   47   local     Yes     Yes
Gi0/48    48   48   48   2/22 1    48   48   local     Yes     Yes
Gi0/49    49   49   49   0/27 1    49   49   local     Yes     Yes
Gi0/50    50   50   50   0/19 1    50   50   local     Yes     Yes
Gi0/51    51   51   51   0/9  1    51   51   local     Yes     Yes
Gi0/52    52   52   52   0/1  1    52   52   local     Yes     Yes
Te0/1     53   53   53   0/14 1    1    53   local     Yes     Yes
Te0/2     54   54   54   0/0  1    2    54   local     Yes     Yes
St1       440  440  0    16/0  1    0    0    internal  Yes     Yes

--
http://dcp.dcptech.com

> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of Vincent Aniello
> Sent: Friday, September 10, 2010 1:41 PM
> To: Håvard Staub Nyhus
> Cc: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] ASIC to switch port mapping
> 
> Unless there is only a single ASIC in a 3560E switch I do not believe
> this command returns the ASICs associated with each port.  Here is the
> output on my switch:
> 
> switch1#show platform pm if-numbers
> 
> interface gid  gpn  lpn  port slot unit slun port-type lpn-idb gpn-idb
> ----------------------------------------------------------------------
> Gi0/1     1    1    1    1/1  1    1    1    local     Yes     Yes
> Gi0/2     2    2    2    1/0  1    2    2    local     Yes     Yes
> Gi0/3     3    3    3    1/3  1    3    3    local     Yes     Yes
> Gi0/4     4    4    4    1/2  1    4    4    local     Yes     Yes
> Gi0/5     5    5    5    1/5  1    5    5    local     Yes     Yes
> Gi0/6     6    6    6    1/4  1    6    6    local     Yes     Yes
> Gi0/7     7    7    7    1/9  1    7    7    local     Yes     Yes
> Gi0/8     8    8    8    1/8  1    8    8    local     Yes     Yes
> Gi0/9     9    9    9    1/11 1    9    9    local     Yes     Yes
> Gi0/10    10   10   10   1/10 1    10   10   local     Yes     Yes
> Gi0/11    11   11   11   1/13 1    11   11   local     Yes     Yes
> Gi0/12    12   12   12   1/12 1    12   12   local     Yes     Yes
> Gi0/13    13   13   13   1/15 1    13   13   local     Yes     Yes
> Gi0/14    14   14   14   1/14 1    14   14   local     Yes     Yes
> Gi0/15    15   15   15   1/17 1    15   15   local     Yes     Yes
> Gi0/16    16   16   16   1/16 1    16   16   local     Yes     Yes
> Gi0/17    17   17   17   1/19 1    17   17   local     Yes     Yes
> Gi0/18    18   18   18   1/18 1    18   18   local     Yes     Yes
> Gi0/19    19   19   19   1/23 1    19   19   local     Yes     Yes
> Gi0/20    20   20   20   1/22 1    20   20   local     Yes     Yes
> 
> interface gid  gpn  lpn  port slot unit slun port-type lpn-idb gpn-idb
> ----------------------------------------------------------------------
> Gi0/21    21   21   21   1/25 1    21   21   local     Yes     Yes
> Gi0/22    22   22   22   1/24 1    22   22   local     Yes     Yes
> Gi0/23    23   23   23   1/27 1    23   23   local     Yes     Yes
> Gi0/24    24   24   24   1/26 1    24   24   local     Yes     Yes
> Gi0/25    25   25   25   0/20 1    25   25   local     Yes     Yes
> Gi0/26    26   26   26   0/21 1    26   26   local     Yes     Yes
> Gi0/27    27   27   27   0/6  1    27   27   local     Yes     Yes
> Gi0/28    28   28   28   0/7  1    28   28   local     Yes     Yes
> Te0/1     29   29   29   0/14 1    1    29   local     Yes     Yes
> Te0/2     30   30   30   0/0  1    2    30   local     Yes     Yes
> St1       440  440  0    16/0  1    0    0    internal  Yes     Yes
> 
> 
> Thanks.
> 
> --Vincent
> 
> 
> -----Original Message-----
> From: Håvard Staub Nyhus [mailto:hnyhus at gmail.com]
> Sent: Friday, September 10, 2010 11:33 AM
> To: Vincent Aniello
> Cc: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] ASIC to switch port mapping
> 
> > I am trying to determine the switch ports assigned to each ASIC in
> > various Cisco switches, in particular a 3750 and 3560E.  Can anyone
> > enlighten me on how to go about doing this?
> 
> "show platform pm if-numbers"
> 
> In the "port" column, look at the first number.
> 
> 
> --
> Håvard Staub Nyhus
> +47 41 88 00 99
> 
> 
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