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中级工程师
   
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发表于 2012-8-24 21:14:37
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A
这题要求你,哪个命令能确认(Frame-relay 的encapsulation的 CISCO OR IETF)
当local和remote 都是cisco 机器的可以用CISCO, 当remote的router不是cisoc的时候,需要用IETF。
show interface serial 只能确认物理interface的encapsulation.
下面是例子
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
R2#sh frame-relay map
Serial0.45 (up): ip 160.1.245.4 dlci 24(0x18,0x480), static,
broadcast,
CISCO, status defined, active
Serial0.45 (up): ip 160.1.245.5 dlci 25(0x19,0x490), static,
broadcast,
CISCO, status defined, active
Serial0.6 (up): point-to-point dlci, dlci 26(0x1A,0x4A0), broadcast
status defined, active
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
Router>show interfaces serial0/0
Serial0/0 is up, line protocol is up
Hardware is PowerQUICC Serial
Description: Testing - Frame Relay link
Internet address is 172.27.177.2/25
MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation FRAME-RELAY, loopback not set
Keepalive set (10 sec)
LMI enq sent 41, LMI stat recvd 41, LMI upd recvd 0, DTE LMI up
LMI enq recvd 0, LMI stat sent 0, LMI upd sent 0
LMI DLCI 1023 LMI type is CISCO frame relay DTE
Broadcast queue 0/64, broadcasts sent/dropped 1/0, interface broadcasts 0
Last input 00:00:01, output 00:00:09, output hang never
Last clearing of "show interface" counters 00:06:59
Input queue: 0/75/1/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/1/256 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 1158 kilobits/sec
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
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9#
2012-8-24 21:14:37
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