![background image](http://html1.mh-extra.com/html/3com/vcx-v7122/vcx-v7122_user-manual_440856271.webp)
V7122 Gateway User Guide
271
C
HAPTER
9:
N
ETWORKING
C
APABILITIES
Ethernet Interface Configuration
Using the parameter ‘EthernetPhyConfiguration‘, users can control the Ethernet connection
mode.
Either the manual modes (10 Base-T Half-Duplex, 10 Base-T Full-Duplex, 100 Base-TX Half-
Duplex, 100 Base-TX Full-Duplex) or Auto-Negotiate mode can be used.
Auto-Negotiation falls back to Half-Duplex mode when the opposite port is not Auto-
Negotiate, but the speed (10 Base-T, 100 Base-TX) in this mode is always configured
correctly. Note that configuring the gateway to Auto-Negotiate mode while the opposite port
is set manually to Full-Duplex (either 10 Base-T or 100 Base-TX) is invalid (as it causes the
gateway to fall back to Half-Duplex mode while the opposite port is Full-Duplex). It is also
invalid to set the gateway to one of the manual modes while the opposite port is either Auto-
Negotiate
or not exactly matching (both in speed and in duplex mode). Users are
encouraged to always prefer Full-Duplex connections to Half-Duplex ones and 100 Base-TX
to 10 Base-T (due to the larger bandwidth). It is strongly recommended to use the same
mode in both link partners. Any mismatch configuration can yield unexpected functioning of
the Ethernet connection.
When remote configuration is performed, the gateway should be in the correct
Ethernet setting prior to the time this parameter takes effect. When, for example,
the gateway is configured using BootP/TFTP, the gateway must perform many
Ethernet-based transactions prior to reading the
ini
file containing this gateway
configuration parameter.
To work around this problem, the gateway always uses the last Ethernet setup mode
configured. This way, if users want to configure the gateway to work in a new network
environment in which the current Ethernet setting of the gateway is invalid, they should first
modify this parameter in the current network so that the new setting holds next time gateway
is restarted. After reconfiguration has completed, connect the gateway to the new network
and restart it. As a result, the remote configuration process that takes place in the new
network uses a valid Ethernet configuration.
Summary of Contents for VCX V7122
Page 28: ...28 V7122 GatewayUser Guide ...
Page 39: ...V7122 Gateway User Guide 39 Reader s Notes ...
Page 40: ...40 V7122 GatewayUser Guide ...
Page 58: ...58 V7122 GatewayUser Guide Reader s Notes ...
Page 66: ...66 V7122 GatewayUser Guide Reader s Notes ...
Page 144: ...144 V7122 GatewayUser Guide Reader s Notes ...
Page 239: ...V7122 Gateway User Guide 239 Reader s Notes ...
Page 240: ...240 V7122 GatewayUser Guide ...
Page 246: ...246 V7122 GatewayUser Guide Reader s Notes ...
Page 270: ...270 V7122 GatewayUser Guide Reader s Notes ...
Page 287: ...V7122 Gateway User Guide 287 Reader s Notes ...
Page 288: ...288 V7122 GatewayUser Guide ...
Page 294: ...294 V7122 GatewayUser Guide Reader s Notes ...
Page 300: ...300 V7122 GatewayUser Guide Figure 88 Gateway s Startup Process ...
Page 315: ...V7122 Gateway User Guide 315 Reader s Notes ...
Page 316: ...316 V7122 GatewayUser Guide ...
Page 332: ...332 V7122 GatewayUser Guide Reader s Notes ...
Page 358: ...358 V7122 GatewayUser Guide Reader s Notes ...
Page 362: ...362 V7122 GatewayUser Guide Reader s Notes ...
Page 389: ...V7122 Gateway User Guide 389 Reader s Notes ...
Page 390: ...390 V7122 GatewayUser Guide ...
Page 398: ...398 V7122 GatewayUser Guide Reader s Notes ...
Page 406: ...406 V7122 GatewayUser Guide Reader s Notes ...
Page 408: ...408 V7122 GatewayUser Guide Reader s Notes ...
Page 409: ...V7122 Gateway User Guide 409 ...
Page 419: ...V7122 Gateway User Guide 419 Reader s Notes ...
Page 437: ...V7122 Gateway User Guide 437 Reader s Notes ...
Page 452: ...452 V7122 GatewayUser Guide Figure 137 UDP2File Utility ...
Page 453: ...V7122 Gateway User Guide 453 Reader s Notes ...
Page 459: ...V7122 Gateway User Guide 459 Reader s Notes ...
Page 475: ...V7122 Gateway User Guide 475 ...