Users Guide

Version Description
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 trac.
First-Hop Displays the rst 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
Dell# 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 Gi 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 Gi 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
Dell#
Dell# 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)
Dell# 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.
Related Commands
• clear ip b stack-unit — clear FIB entries on a specied stack-unit.
• ip ecmp weighted— enable weighted ECMP calculations.
IPv4 Routing 737