Dell Command Line Reference Guide for the S4048–ON System 9.14.2.4

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show ip cam stack-unit

Display CAM entries for a port-pipe of a stack-unit on a S-Series or Z-Series switch.

Syntax
show ip cam stack-unit {stack-unit-number} [port-set {pipe-number} | vrf vrf-name {ip-address mask [longer-prefixes [ecmp-group detail]]}| ecmp-group {detail | member-info [detail [group-index index-number]]}| summary]
Parameters
stack-unit-number
Enter the stack-unit ID. The unit ID range is from 1 to 6.
port-set pipe-number
Enter the keyword port-set then the number of the stack unit’s port-pipe. The unit ID range is from 0 to 0.
vrf vrf-name
Enter the keyword vrf followed by the name of the VRF to display CAM entries corresponding to that VRF.
network mask [longer-prefixes [ecmp-group detail]]
(OPTIONAL) Enter the IP address and mask of a route to CAM entries for that route only. You can enter one of the following keywords to filter results.
  • Enter the keyword longer-prefixes to view routes with a common prefix.
  • Enter the keyword ecmp-group detail to view the ECMP group index.
ecmp-group {detail | member-info [detail [group-index index-number]]}
(OPTIONAL) Enter the keyword ecmp-group then one of the following keywords to filter results.
  • Enter the keyword detail to view the ECMP group index.
  • Enter the keyword member-info to view the member information for the ECMP group.
  • Enter the keyword member-info detail to view detailed ECMP membership and n-hop information.
  • Enter the keyword group-index then the index number to show ECMP membership per group. The range is from 0 to 1022.
summary
(OPTIONAL) Enter the keyword summary to view a table listing route prefixes and the total number routes which can be entered in to CAM.
Command Modes
  • EXEC
  • EXEC Privilege
Command History

This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC Networking OS Command Line Reference Guide.

Version
Description
9.10(0.1)
Introduced on the S6010-ON and S4048T-ON.
9.10(0.0)
Increased the stacking range to 12 units in S3100 series.
9.10(0.0)
Introduced on the S6100–ON.
9.8(2.0)
Introduced on the S3100 series.
9.8(1.0)
Introduced on the Z9100–ON.
9.8(0.0P5)
Introduced on the S4048-ON.
9.8(0.0P2)
Introduced on the S3048-ON.
9.7(0.0)
Introduced on the S6000-ON.
9.4(0.0)
Added support for VRF.
8.3.19.0
Introduced on the S4820T.
8.3.11.1
Introduced on the Z9000.
8.3.7.0
Introduced on the S4810.
7.7.1.0
Added support for up to seven stack members.
7.6.1.0
Introduced on the S-Series.
Usage Information
The following describes the show ip cam command shown in the following example.
Field
Description
Destination
Displays the destination route of the index.
EC
Displays 1 if the route is an ECMP route. Else, displays 0.
C
This is the CPU bit. If it displays 1, then it indicates that a packet hitting this entry will be forwarded to the CPU.
V Id
Displays the VLAN ID. If the entry is 0, the entry is not part of a VLAN.
Mac Addr
Displays the next-hop router’s MAC address.
Port
Displays the egress interface.
  • CP = control processor
  • Gi = Gigabit Ethernet interface
  • Te = 10–Gigabit Ethernet interface
Example
DellEMC# show ip cam stack-unit 3 po 0 1.1.1.0/24 longer-prefixes

Destination            EC  C    VId   Mac-Addr             Port
---------------------------------------------------------------
1.1.1.2/32              0  0   3000   00:05:00:00:00:02  Te 3/44
1.1.1.1/32              0  1      0   00:00:00:00:00:00     CP
1.1.1.0/24              0  1      0   00:00:00:00:00:00     CP
DellEMC#
Example (ECMP-Group)
DellEMC# show ip cam stack-unit 3 po 0 ecmp-group detail

Destination  EC  C    VId   Mac-Addr             Port     ECMP Group-Index
--------------------------------------------------------------------------
1.1.1.2/32    0  0   1000   00:01:00:00:00:02    Te 3/42      -
2.1.1.2/32    0  0     20   00:03:00:00:00:02    Po 10        -
2.1.1.1/32    0  1      0   00:00:00:00:00:00      CP         -
1.1.1.1/32    0  1      0   00:00:00:00:00:00      CP         -
2.1.1.0/24    0  1      0   00:00:00:00:00:00      CP         -
1.1.1.0/24    0  1      0   00:00:00:00:00:00      CP         -
100.1.1.0/24  1  0     20   00:03:00:00:00:02    Po 10        0
100.1.1.0/24  1  0   1000   00:01:00:00:00:02    Te 3/42      0
0.0.0.0/0     0  1      0   00:00:00:00:00:00      CP         -
DellEMC#
Example (Member-Info)
DellEMC# show ip cam stack-unit 3 po 0 ecmp-group member-info detail

Group Index  Member Count   Mac-Addr                  Port        VLan ID
-------------------------------------------------------------------------
0                  2        00:03:00:00:00:02         Po 10            20
                            00:01:00:00:00:02         Te 3/42        1000
DellEMC#

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