22
3.3.33.
watchdog
The “watchdog” command gives additional control over the
router’s unpredicted behavior (i.e. a misconfiguration disabling further
communication with the router). The router uses the “ping” command to
check the availability of certain IP addresses and reboots, if one of them
doesn’t answer.
The command has following syntax:
¡
watchdog on
- enables the watchdog
¡
watchdog off
- disables the watchdog
¡
watchdog <interval> <amount> <wait> <IP address>
[<additional IP address> ]
- configures the watchdog. After
<interval>
seconds the router sends
<amount>
of pings to
the
<IP address>
(and the
<additional IP address>
if set)
waiting
<wait>
seconds after each of them. If there is no answer
for any of the pings sent to the first address or for any of the pings
sent to the second address, then the router is rebooted.
3.3.34.
write
Saves the current configuration to the EEPROM and displays an
information about the EEPROM usage. If the configuration is to large to
be stored some settings should be deleted, like static ARP entries, DHCP
options, etc.
23
4.
Technical data
¡
processor:
Motorola MC68302
¡
network protocols:
IP, TCP, UDP, ICMP, TFTP, SNMP, DHCP, BOOTP,
®
RFC-1490, PPP, Frame Relay, Cisco HDLC,
IEEE 802.1q
¡
Frame Relay signaling:
®
ANSI T1.617 Annex A, ITU Q.933 Annex D, Cisco LMI
¡
G.703 interface:
®
®
Tahoe 1701 and Tahoe 1708:
unframed
coding:
AMI, HDB3
receiver sensitivity:
-12 dB / -43 dB
range:
50m / 2000 m
throughput:
2048 kbps
®
®
Tahoe 1741 and Tahoe 1748:
framed according to G.704 or unframed
coding:
AMI, HDB3
signaling:
FAS, CCS, CRC4
receiver sensitivity:
-12 dB / -43 dB
range:
50m / 2000 m
throughput:
64 - 2048 kbps
¡
Ethernet interface:
®
®
Tahoe 1701 and Tahoe 1741:
10BaseT, RJ45 connector
®
®
Tahoe 1708 and Tahoe 1748:
10/100BaseT, 8 x RJ45
¡
serial console:
RS-232, 9600 bps, 8N1, DB9/M connector
¡
dimensions:
229 mm (width) x 57 mm (height) x 152 mm (length)
¡
power supply:
®
®
Tahoe 1701 and Tahoe 1741:
7.5V, 400 mA
®
®
Tahoe 1708 and Tahoe 1748:
7.5V, 1.2A
external power supply included
¡
environmental conditions:
storage:
temperature
-20°C to 65°C
humidity
5 to 95%
operation:
temperature
0°C to 40°C
humidity
0 to 85%
4
Summary of Contents for 1701
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