8.4.1 Configuration algorithm
Step Description Command Keys
1 Create a sub-interface of a physical
interface (possible if the physical
interface is in routeport or hybrid
mode).
esr(config)# interface
gigabitethernet <PORT>.<S-VLAN>
or
interface tengigabitethernet
<PORT>.<S-VLAN>
or
interface port-channel <CH>.<S-
VLAN>
<PORT> – physical interface
number.
<CH> – aggregated interface
number.
<S-VLAN> – identifier of
created S-VLAN.
If a physical interface is
included in bridge-group, it will
be impossible to create sub-
interface.
2 Specify sub-interface description
(optionally).
esr(config-subif)# description
<DESCRIPTION>
<DESCRIPTION> – interface
description, set by the string of
up to 255 characters.
3 Specify VRF instance, in which the given
sub-interface will operate (optionally).
esr(config-subif)# ip vrf forwarding
<VRF>
<VRF> – VRF name, set by the
string of up to 31 characters.
4 Specify the IPv4/IPv6 address and
subnet mask for the interface to be
configured or enable IP address obtain
dynamically.
esr(config-subif)# ip address
<ADDR/LEN>
<ADDR/LEN> – IP address and
subnet mask length, defined as
AAA.BBB.CCC.DDD/EE where
each part AAA-DDD takes
values of [0..255] and EE takes
values of [1..32].
For advanced IPv4 addressing
features see section IP
addressing configuration.
esr(config-subif)# ipv6 address
<IPV6-ADDR/LEN>
<IPV6-ADDR/LEN> – IP address
and prefix of a subnet, defined
as X:X:X:X::X/EE where each X
part takes values in
hexadecimal format [0..FFFF]
and EE takes values of [1..128].
For advanced IPv6 addressing
features see section IPv6
addressing configuration.
You can specify several IPv4/
IPv6 addresses separated by
commas. Up to 8 IPv4/IPv6
addresses can be assigned to
the interface.
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