Reference9:Interfaces/ETH/Link: Difference between revisions
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'''Use Autoneg for all speeds:''' On IP241, IP222 and IP232 autoneg can be used for all setting of speed and duplex. With this mode the risk of a mismatch of the duplex setting is reduced ( e.g. PC fullduplex, Phone halfduplex ). | '''Use Autoneg for all speeds:''' On IP241, IP222 and IP232 autoneg can be used for all setting of speed and duplex. With this mode the risk of a mismatch of the duplex setting is reduced ( e.g. PC fullduplex, Phone halfduplex ). | ||
'''Allow 100M-LAN port and 1000M PC port:''' On IP241 IP222 and IP232 the link is renegotiated if one port runs at 100Mbit while the other port runs at 1000M to avoid buffer overruns in the switch. This mechanism can be disabled by setting "Allow 100M-LAN port and 1000M PC port". This settings prevents link changes e.g on the LAN link if the PC link is changing. | |||
== Status == | == Status == | ||
Revision as of 09:49, 18 July 2012
The transmission mode of the Ethernet interface is defined here. On phones with a configurable switch the PC and the LAN port can be configured.
Configuration
The auto transmission mode is pre-selected:
| auto: | Automatic selection of the transmission speed. |
| 10m-hdx: | Corresponds to 10 MBit Half Duplex. |
| 10m-fdx: | Corresponds to 10 MBit Full Duplex. |
| 100m-hdx: | Corresponds to 100 MBit Half Duplex. |
| 100m-fdx: | Corresponds to 100 MBit Full Duplex. |
| 1000m-fdx: | Corresponds to 1000 MBit Full Duplex. |
Phones starting with serial number from 00-90-33-03-08-68 having 10/100 MBit Ethernet.
Phones (old IP200/IP202) before this serial number are only with 10Mbit Ethernet
Disable link LED: On IP110, IP200A, IP230 and IP240 the link LED´s can be disabled
Isolate PC Link: see Prevent the PC Port of the Ethernet Switch from receiving Frames directly from the Phone Firmware
Use Autoneg for all speeds: On IP241, IP222 and IP232 autoneg can be used for all setting of speed and duplex. With this mode the risk of a mismatch of the duplex setting is reduced ( e.g. PC fullduplex, Phone halfduplex ).
Allow 100M-LAN port and 1000M PC port: On IP241 IP222 and IP232 the link is renegotiated if one port runs at 100Mbit while the other port runs at 1000M to avoid buffer overruns in the switch. This mechanism can be disabled by setting "Allow 100M-LAN port and 1000M PC port". This settings prevents link changes e.g on the LAN link if the PC link is changing.
Status
In addition, the status of the interface (Up or Down) and the Auto-negotiation used (for example, 100m-fdx) are displayed.
If on IP241 IP222 and IP232 one port runs at 100Mbit the other port should not use 1000M to avoid buffer overruns. In this case the 1000M port is reconfigured to 100M, the status display this.
Ethernet MDX
IP400, IP21 and IP3000 the Ethernet interface has a switch to configure the port to be connected to a hub/switch or terminal.
On gateways with 2 Ethernet interfaces ETH0 can be connected directly to a switch port, ETH1 can be connected directly to terminal. Other connections are possible if auto-MDX is supported in the switch or in the gateway or if a crossover cable is used.
IP-Phones have an Ethernet switch, form the firmware this is seen as a single Ethernet interface. Again, the first interface can be connected directly to a switch, the second directly to a terminal ( e.g. a PC ). IP-Phones generally do not support Auto-MDX, only the IP-Phones with GIGABit Ethernet support Auto-MDX.
On IP800 and IP6000 initially a Ethernet phy is used that supports Auto-MDX only if autoneg is enabled. Leadfree versions of that phy allowed no reliable Auto-MDX at all. On newer build the phy was replaced with a type that supports Auto-MDX in all modes.
For details see this table:
| Product | HWBuild | MDX |
| IP400 | no | |
| IP3000 | no | |
| IP21 | yes | |
| IP22 IP24 IP28 IP302 IP305 | no | |
| IP110 IP150 IP200 IP230 IP240 | no | |
| IP230-1000 IP240-1000 | yes | |
| IP241 IP222 IP222 | yes | |
| IP800 | ..107 | if autoneg is enabled |
| IP800 | 108..299 | no |
| IP800 | 300.. | yes |
| IP6000 | ..199 | if autoneg is enabled |
| IP6000 IP2000 | 200..299 | no |
| IP6000 IP2000 | 300.. | yes |
| IP6010, IP3010, IP0010, IP1060, IP810 | all | yes |