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Tunnel IP/MASK
Both sides of the tunnel must be configured with the same MASK and different Tunnel IP ad-
dresses. The Tunnel IP is used as a "Gateway" when routing traffic to the tunnel.
Routing of assigned packets to the GRE tunnel is provided by the "Routing" configuration. The
"Gateway" field shall be filled with the corresponding "Tunnel IP" address (i.e. peer side - "Tunnel
IP")
Note
You may add a note to each tunnel with your comments up to 16 characters (UTF8 is supported)
for your convenience. Following characters are not allowed:
" (Double quote)
` (Grave accent)
\ (Backslash)
$ (Dollar symbol)
; (Semicolon)
Active
You may tick/un-tick each GRE tunnel in order to make it active/not active.
■
GRE and other RipEX services
GRE tunnel cannot be used to access management of the destination unit.
GRE tunnel can be used to manage destination unit using
Fast remote access
.
User defined
firewall
can be used to filter packets entering and leaving the GRE tunnel.
Proxy ARP
for the LAN interface also works properly for addresses being routed to the GRE
tunnel.
GRE tunnel can be routed via the
radio channel
.
Backup routes (BRMP)
can use an alternative path through the GRE tunnel. The "Gateway"
in "Alternative path" section must be filled with corresponding "Tunnel IP" address.
GRE tunnel can be routed via the
Backup route (BRMP)
.
NOTE: GRE packets source address will typically be the main ETH address of the RipEX unit.
Configuration settings for the other side of the GRE tunnel must take this into consideration.
The RipEX Radio IP will only be selected as a source if the backup route contains a routing rule
for the address range of the Radio network (in the "Routes" table).
GRE can operate concurrently with IP
optimization
. Packets entering the GRE tunnel are not
optimized. GRE packets passing through the RipEX are optimized.
Creating a GRE tunnel on top of another GRE tunnel is possible (even in the same RipEX).
NOTE: Be careful not to create a network loop! Another GRE tunnel also generates more over-
head (another GRE header; packet fragmentation).
GRE can be used together with the
TCP Proxy
. TCP Proxy is capable of capturing packets
leaving the GRE tunnel as well as sending it's UDP packets over the GRE tunnel.
GRE also functions in
HotStandby
mode. The GRE tunnel is state-less so there are no limits
in hot-standby operation.
IPsec
traffic can go through the GRE tunnel.
RipEX Radio modem & Router – © RACOM s.r.o.
174
Advanced Configuration
Содержание RipEX
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Страница 42: ... DQ Data Quality Min 180 PER Packet Error Rate Max 5 RipEX Radio modem Router RACOM s r o 42 Network planning ...
Страница 222: ...Fig 10 3 ATEX Certificate RipEX 2 3 RipEX Radio modem Router RACOM s r o 222 Safety environment licensing ...
Страница 223: ...Fig 10 4 ATEX Certificate RipEX 3 3 223 RACOM s r o RipEX Radio modem Router Safety environment licensing ...