
ESR service routers. ESR-Series. Functionality description. Version 1.12.0
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Step
Description
Command
Keys
5
Specify the time during which a
record about this client will exist
on the NHS (optional).
esr(config-gre)# ip
nhrp holding-time
<TIME>
<TIME> – the time in seconds during
which a record about this client will
exist on the server takes the values
[1..65535].
Default value: 7200
6
Set the 'logic (tunnel)' address of
the NHRP server.
esr(config-gre)# ip
nhrp nhs <ADDR> [ no-
registration ]
<ADDR/LEN> – address, defined as
AAA.BBB.CCC.DDD/EE where each
part AAA-DDD takes values of [0..255]
and EE takes values of [1..32];
no-registration
— do not
register on the NHRP server.
7
Match the 'internal' tunnel
address with the 'external' NBMA
address.
esr(config-gre)# ip
nhrp map <ADDR> <ADDR>
<ADDR> – IP address, defined as
AAA.BBB.CCC.DDD where each part
takes values of [0..255].
8
Define the destination of
multicast traffic.
esr(config-gre)# ip
nhrp multicast
{ dynamic | nhs |
<ADDR> }
dynamic
— send to all peers
with which there is a
connection;
nhs
— send to all static
configured servers;
<ADDR> – send to specifically
configured server, defined as
AAA.BBB.CCC.DDD where each part
takes values of [0..255].
9
Enable the ability to send NHRP
Traffic Indication packets.
Running on the NHS (optionally).
esr(config-gre)# ip
nhrp redirect
10
Enable the ability to create
shortest routes. Running on the
NHC (optionally).
esr(config-gre)# ip
nhrp shortcut
11
Map IPsec-VPN to the mGRE
tunnel (optionally).
esr(config-gre)# ip
nhrp ipsec <WORD>
{ static | dynamic }
<WORD> – VPN name, set by the
string of up to 31 characters.
static
— static connection,
used for connection to NHS;
dynamic
— dynamically
established connection,
configured for communication
between NHC.
12
Enable NHRP.
esr(config-gre)# ip
nhrp enable