ELTEX ESR-3100 - Page 166

ESR series service routers.ESR-Series. User manual
166
•
•
•
•
•
•
Step Description Command Keys
9 Assign the broadcast domain for
encapsulation in the tunnel’s GRE
packets (only in ethernet mode).
esr(config-gre)# bridge-group
<BRIDGE-ID>
<BRIDGE-ID> – bridge
identification number, takes
values in the range of:
for ESR-10/12V(F)/
14VF/15 – [1..50];
for
ESR-20/21/30/100/200
– [1..250];
for
ESR-1000/1200/1500/1
511/1700/3100/3200 –
[1..500]
10 Include the GRE tunnel in a security
zone and configure interaction rules
between zones or disable firewall (see
section Firewall configuration).
esr(config-gre)# security-
zone<NAME>
<NAME> – security zone name,
set by the string of up to 12
characters.
esr(config-gre)# ip firewall disable 

11 Specify MTU size
(MaximumTransmissionUnit) for the
tunnel (optional).
MTU above 1500 will be active only
when using the 'system jumbo-frames'
command.
esr(config-gre)# mtu <MTU> <MTU> – MTU value, takes
values in the range of:
for ESR-10/12V(F)/
14VF/15 – [1280..9600];
for ESR-20/21/30 –
[1280..9500];
for
ESR-100/200/1000/120
0/1500/1511/1700/310
0/3200 – [1280..10000].
Default value: 1500.
12 Specify the TTL lifetime for tunnel
packets (optional).
esr(config-gre)# ttl <TTL> <TTL> – TTL value, takes
values in the range of [1..255].
Default value: Inherited from
encapsulated packet.
13 Specify DSCP for the use in IP header
of encapsulated packet (optional).
esr(config-gre)# dscp <DSCP> <DSCP> – DSCP code value,
takes values in the range of
[0..63].
Default value: inherited from
encapsulated packet.