field replaceable units [7:72011]

what's the meaning of field replaceable units? thanks. Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=72011&t=72011 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondi

protocol analyzer [7:72018]

someone please tell me web sites about how to understand the outputs of protocol analyzer. any help will be appreciated! Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=72018&t=72018 -- FAQ, list archives, and subscription info: ht

RE: dcd=up [7:72175]

DCD=up means that the interface is up and Carrier Detect present, right? Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=72176&t=72175 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report mi

spanning trees over the same trunk port [7:72174]

how loops in one spanning tree affect other spanning trees? thanks. Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=72174&t=72174 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report miscond

dcd=up [7:72175]

Router# show interfaces serial1 Serial1 is up, line protocol is up Hardware is HD64570 Internet address is 190.1.2.1/24 MTU 1500 bytes, BW 1544 Kbit, DLY 2 usec, Reliability 255/255, txload 237/255, rxload 1/255 Encapsulation HDLC, loopback not set Keepalive not set Last input 00:00:22,