Enterasys Security Router X-PeditionTM User Manual page 15

Chapter 3: Managing LAN/WAN Interfaces
Overview of LAN Interfaces ............................................................................................................................ 3-1
LAN Features ................................................................................................................................................. 3-1
Configuring the LAN ....................................................................................................................................... 3-2
MIB Statistics .................................................................................................................................................. 3-2
Overview of WAN Interfaces .......................................................................................................................... 3-3
WAN Features ................................................................................................................................................ 3-3
Configuring the WAN ...................................................................................................................................... 3-4
Chapter 4: Configuring T1/E1 & T3/E3 Interfaces
Overview ......................................................................................................................................................... 4-1
T1/E1 Functionality .................................................................................................................................. 4-1
T3/E3 Functionality .................................................................................................................................. 4-1
Features ......................................................................................................................................................... 4-1
T1/E1 Mode .............................................................................................................................................. 4-1
T3 Mode ................................................................................................................................................... 4-2
E3 Mode ................................................................................................................................................... 4-2
T1/E1 Subsystem Configuration .............................................................................................................. 4-3
T3/E3 Subsystem Configuration .............................................................................................................. 4-3
T1 Drop & Insert One-to-One DS0 Bypassing ......................................................................................... 4-4
Drop and Insert Features.................................................................................................................... 4-4
Configuring Channelized T1/E1 Interfaces ..................................................................................................... 4-5
Configuring Un-channelized T3/E3 Interfaces ................................................................................................ 4-6
Troubleshooting T1/E1 & T3/E3 Links ............................................................................................................ 4-7
T1/E1 & T3/E3 Physical Layer Troubleshooting ...................................................................................... 4-7
T1/E1 & T3/E3 Alarm Analysis ................................................................................................................. 4-9
Receive Alarm Indication Signal (AIS - Blue Alarm) ........................................................................... 4-9
Receive Remote Alarm Indication (RAI - Yellow Alarm)................................................................... 4-10
Transmit Remote Alarm Indication (RAI - Yellow Alarm).................................................................. 4-10
Transmit Sending Remote Alarm (Red Alarm) ................................................................................. 4-10
Transmit Alarm Indication Signal (AIS - Blue Alarm) ........................................................................ 4-10
T1/E1 & T3/E3 Error Events Analysis .................................................................................................... 4-11
Slip Seconds Counter Increasing ..................................................................................................... 4-12
Framing Loss Seconds Increasing ................................................................................................... 4-13
Line Code Violations Increasing ....................................................................................................... 4-13
Configuring the D&I NIM ........................................................................................................................ 4-13
Chapter 5: Configuring IP
Overview ......................................................................................................................................................... 5-1
General IP Features ....................................................................................................................................... 5-1
ARP and Proxy ARP ................................................................................................................................ 5-4
Proxy DNS ............................................................................................................................................... 5-4
BOOTP/DHCP Relay ............................................................................................................................... 5-4
Broadcast ................................................................................................................................................. 5-5
Directed Broadcast ............................................................................................................................. 5-5
Local Broadcast.................................................................................................................................. 5-5
ICMP ........................................................................................................................................................ 5-5
TCP .......................................................................................................................................................... 5-6
UDP .......................................................................................................................................................... 5-6
Telnet ....................................................................................................................................................... 5-6
SSH .......................................................................................................................................................... 5-6
Trivial File Transfer Protocol (TFTP) ........................................................................................................ 5-7
IP Interface ............................................................................................................................................... 5-7
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