Dell Command Line Reference Guide for the S4048–ON System 9.14.2.8

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show ip fib stack-unit

View all Forwarding Information Base (FIB) entries of a specific stack-unit.

Syntax
show ip fib stack-unit stack-unit-number vrf vrf-name [ip-address [mask] [longer-prefixes] | summary]
Parameters
stack-unit-number
Enter the stack unit ID.
vrf vrf-name
Enter the keyword vrf followed by the name of the VRF to view FIB entries corresponding to that VRF.
ip-address mask
(OPTIONAL) Enter the IP address of the network destination to view only information on that destination. Enter the IP address in dotted decimal format (A.B.C.D). Enter the mask in slash prefix format (/X).
longer-prefixes
(OPTIONAL) Enter the keywords longer-prefixes to view all routes with a common prefix.
summary
(OPTIONAL) Enter the keyword summary to view the total number of prefixes in the FIB.
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)
Introduced on the S3148.
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.
9.2(1.0)
Introduced on the Z9500.
9.0.2.0
Introduced on the S6000.
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 fib stack-unit command shown in the following example.
Field
Description
Destination
Lists the destination IP address.
Gateway
Displays either the word “direct” and an interface for a directly connected route or the remote IP address used to forward the traffic.
First-Hop
Displays the first hop IP address.
Mac-Addr
Displays the MAC address.
Port
Displays the egress-port information.
VId
Displays the VLAN ID. If no VLAN is assigned, zero (0) is listed.
EC
Displays the number of ECMP paths.

If weighted ECMP is enabled, then the show ip fib stack-unit command display a new column named W-EC (Weighted ECMP). This column displays either a value of 1 or 0 depending on whether or not a route is assigned with a weight.

Example
DellEMC# show ip fib stack-unit 1
Destination   Gateway                 First-Hop  Mac-Addr            Port       VId    EC
-------------------------------------------------------------------------------------------
1.1.1.2/32    via 1.1.1.2, Vl 1000    1.1.1.2    00:01:00:00:00:02   Te 3/42    1000   0
2.1.1.2/32    via 2.1.1.2, Vl 20      2.1.1.2    00:03:00:00:00:02   Po 10        20   0
0.0.0.0/0             -               0.0.0.0    00:00:00:00:00:00   CP            0   0
1.1.1.0/24    Direct, Vl 1000         0.0.0.0    00:00:00:00:00:00   CP         1000   0
1.1.1.1/32    via 127.0.0.1           127.0.0.1  00:00:00:00:00:00   CP            0   0
2.1.1.0/24    Direct, Vl 20           0.0.0.0    00:00:00:00:00:00   CP           20   0
2.1.1.1/32    via 127.0.0.1           127.0.0.1  00:00:00:00:00:00   CP            0   0
100.1.1.0/24  via 1.1.1.2, Vl 1000    1.1.1.2    00:01:00:00:00:02   Te 3/42    1000   1
100.1.1.0/24  via 2.1.1.2, Vl 20      2.1.1.2    00:03:00:00:00:02   Po 10        20   1
DellEMC#

 DellEMC# show ip route
S    10.1.1.0/24        via 1.1.1.2, Vl 10   
                        via 2.1.1.2, Vl 20
S    20.1.1.0/24        via 3.1.1.2, Vl 30 
S    100.1.1.0/24       via 10.1.1.0, weight 7  
                        via 20.1.1.0, weight 1    
Example (Show command output with Weighted ECMP Enabled)
DellEMC# show ip fib stack-unit 1
Destination  Gateway      First-Hop    Mac-Addr          Port   VId   EC  RC W
------------------------------------------------------------------------------
0.0.0.0/0     -             0.0.0.0    00:00:00:00:00:00   CP    0    0    - -
1.1.0/24    Direct, Lo 0    0.0.0.0    00:00:00:00:00:00   CP    0    0    - -
1.1.1.1/32  via 127.0.0.1 127.0.0.1    00:00:00:00:00:00   CP    0    0    - -

The RC and W columns in the show output appear only if the weighted ECMP is enabled using the ip ecmp weighted command.

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