•
•
Step Description Command Keys
4 Specify the description of the
configured tunnel (optionally).
esr(config-gre)# description
<DESCRIPTION>
<DESCRIPTION> – tunnel
description, set by the string of
up to 255 characters.
5 Set local IP address for tunnel
installation.
esr(config-gre)# local address
<ADDR>
<ADDR> – gateway IP address,
defined as AAA.BBB.CCC.DDD
where each part takes values of
[0..255].
esr(config-gre)# local interface <IF> <IF> – interface IP address of
which is used for the tunnel
installation.
6 Set remote IP address for tunnel
installation.
esr(config-gre)# remote address
<ADDR>
<ADDR> – gateway IP address,
defined as AAA.BBB.CCC.DDD
where each part takes values of
[0..255].
7 Specify the GRE tunnel encapsulation
mode.
esr(config-gre)# mode <MODE> <MODE> – GRE tunnel
encapsulation mode:
ip – encapsulation of IP
in GRE;
ethernet –
encapsulation of
Ethernet frames in GRE.
Default value: ip
8 Set the IP address of a tunnel local
side (only in ip mode).
esr(config-gre)# ip address <ADDR/
LEN>
<ADDR/LEN> – IP address and
prefix of a subnet, defined as
AAA.BBB.CCC.DDD/EE where
each part AAA-DDD takes
values of [0..255] and EE takes
values of [1..32].
You can specify up to 8 IP
addresses separated by
commas.
For advanced IPv4 addressing
features see section IP
addressing configuration.
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