Central Site Remote Access Switch 639SYSTEM S TATISTICSDigital Modem StatisticsDHCPNAKs rcvdIncremented whenever the DHCP Proxy Client has received a DHCPNAK message from a DHCPserver.Invalid DHCP pkts rcvdIncremented whenever the DHCP Proxy Client encounters a DHCP message that is invalid due toeither of the following:• the ’op’ field is not equal to BOOTREPLY• the DHCP ’special field’ is not found at the beginning of the options fieldWhen this occurs, the packet is silently discarded.Invalid XID rcvdIncremented whenever the DHCP Proxy Client manager receives a DHCP message with atransaction ID that was not reserved by any of the underlying DHCP client invocations. When thisoccurs, the packet is silently discarded.No xmt buffer availableIncremented whenever the DHCP Proxy Client cannot successfully get a buffer from the ProxyClient’s transmit buffer pool. This can happen whenever we are trying to send BOOTREQUESTmessages to a DHCP server.D IGITAL M ODEM STATISTICSIf you are using a Digital Modem, you can access the following statistics by using themodemstats command:pkts rcvdTotal number of packets received over the modem connection.pkts xmitTotal number of packets transmitted over the modem connection.fcs errorsTotal number of HDLC frames discarded because of Frame Checksum (FCS) errors.F RAME R ELAY S TATISTICSYou can access these statistics by issuing thefr stats console command. The statistics displayedwill be associated with the currently selected Access and DLCI.ACCESS RELATED STATISTICSAccess StateThe condition of the Frame Relay Access. Possible values are TERMINATED, INIT, UP, andDOWN. The definitions for the possible values are as follows:TERMINATEDThe access state entered when the access is dynamically removed.