(ZCNE) ZCNE
1... 1 1.1... 1 1.2... 2 1.3... 2 1.3.1... 2 1.3.2... 2 1.3.3... 2 1.4... 2 1.4.1... 2 1.4.2... 2 1.5... 2 1.5.1... 2 1.5.2... 2 1.5.3... 2 1.5.4... 2 1.5.5... 2 1.6... 2 1.7... 2 1.8... 2 2... 2 2.1... 2 2.2... 2 2.2.1... 2 2.2.2... 2 2.2.3... 2 2.2.4... 2 2.3... 2 2.3.1... 2 i
2.3.2...2 2.3.3...2 2.3.4...2 2.4...2 3 OSI TCP/IP IPV4...2 3.1 OSI...2 3.1.1 OSI...2 3.1.2...2 3.1.3...2 3.1.4...2 3.1.5...2 3.1.6...2 3.1.7...2 3.1.8...2 3.2 TCP/IP...2 3.2.1 TCP/IP OSI...2 3.2.2 OSI---TCP/IP...2 3.2.3 TCP/IP...2 3.2.4...2 3.3 IPV4...2 3.3.1 IPv4...2 3.3.2...2 3.3.3 IP...2 3.3.4...2 3.3.5...2 3.3.6...2 3.3.7...2 3.3.8...2 3.3.9...2 3.3.10...2 3.3.11...2 ii
3.3.12 VLSM... 2 3.4... 2 4... 2 4.1... 2 4.1.1... 2 4.1.2... 2 4.1.3... 2 4.1.4... 2 4.1.5... 2 4.2... 2 4.3... 2 5... 2 5.1... 2 5.2...2 5.3... 2 5.4 MAC... 2 5.5... 2 5.6... 2 5.7 /... 2 5.8... 2 5.9 ZXR10 3928... 2 5.9.1 ZXR10 3928... 2 5.9.2 ZXR10 3928... 2 5.9.3 ZXR10 3928... 2 5.10... 2 6 VLAN... 2 6.1... 2 6.2 VLAN... 2 6.3 VLAN... 2 6.3.1 VLAN... 2 6.3.2 MAC VLAN... 2 iii
6.3.3 VLAN...2 6.3.4 VLAN...2 6.3.5 VLAN...2 6.3.6 VLAN...2 6.4 VLAN...2 6.5...2 6.6 IEEE 802.1Q...2 6.7 ZXR10 3928 VLAN...2 6.7.1 VLAN...2 6.8...2 7 ZTE...2 7.1...2 7.2...2 7.3...2 7.3.1...2 7.3.2 /...2 7.4 IP...2 7.5...2 7.6...2 7.7 IP...2 7.8...2 7.9 ZXR10 GAR2604...2 7.10...2 7.10.1...2 7.11...2 7.11.1...2 7.11.2...2 7.12...2 8...2 8.1...2 8.1.1...2 iv
8.1.2... 2 8.1.3... 2 8.2... 2 8.2.1... 2 8.2.2... 2 8.2.3... 2 8.3... 2 8.3.1... 2 8.3.2... 2 8.3.3... 2 8.3.4... 2 8.3.5... 2 8.4... 2 8.4.1... 2 8.4.2... 2 8.4.3... 2 8.4.4... 2 8.5 RIP... 2 8.5.1 RIP... 2 8.5.2 RIP... 2 8.5.3 RIP... 2 8.6 OSPF... 2 8.6.1 OSPF... 2 8.6.2 OSPF... 2 8.6.3 OSPF... 2 8.6.4 OSPF... 2 8.7... 2 9 IP... 2 9.1 ACL... 2 9.1.1 ACL... 2 9.1.2 ACL... 2 v
9.2 ACL...2 9.3 ACL...2 9.4 ACL...2 9.4.1 ACL...2 9.4.2...2 9.4.3 ACL...2 9.5 ACL...2 9.5.1 ACL...2 9.5.2 ACL...2 9.6 ACL...2 9.7...2 10...2 10.1 NAT...2 10.1.1 NAT...2 10.1.2 NAT...2 10.1.3...2 10.2 NAT...2 10.3 NAT...2 10.4 NAT...2 10.5 NAT...2 10.6 NAT...2 10.7 NAT(overload)...2 10.8 PAT...2 10.9 NAT...2 10.10...2 11...2 11.1...2 11.2...2 11.3 HDLC...2 11.3.1 HDLC...2 11.3.2 HDLC...2 vi
11.3.3 HDLC... 2 11.4 PPP... 2 11.4.1 PPP... 2 11.4.2 PPP... 2 11.4.3 PPP... 2 11.4.4 PPP... 2 11.4.5 PPP... 2 11.4.6 PPP... 2 11.4.7 PPP... 2 11.4.8 PPP... 2 11.5 Frame Relay... 2 11.5.1 Frame Relay... 2 11.5.2... 2 11.5.3... 2 11.5.4 DLCI... 2 11.5.5... 2 11.5.6 ZXR10 LMI... 2 11.5.7... 2 11.5.8... 2 11.5.9... 2 11.5.10... 2 11.6... 2 vii
1 1.1 TCP/IP 1
(ZCNE) 1.2 3 1 1952 CAGE 60 IBM 2000 SABRE-1 SABRE-1 2 1969 9 ARPA ARPAnet 2
1 70 1977 3 70 APRA TCP/IP TCP/IP 1983 TCP/IP APRAnet 90 21 1.3 1.3.1 1.3-1 1.3-1 DTE DTE PC 3
(ZCNE) DTE DTE DCE DCE DTE DCE DCE MODEM DCE 1.3.2 1 2 _ 3 _ 4
1 1.3.3 1 CSPDN 2 3 _ 1.4 1.4.1 1 DDN DDN DDN DDN DDN DDN 5
(ZCNE) DDN 2.4-19.2kbit/sN64kbit/sN=1~32 2Mbit/s DDN 2 PSPDN CCITT X.25 X.25 _ 3 3 D ISDN D LAPD 10 8 1024~4096 / 2.048Mbit/s 9.64.419.2 N64kbist/sN=1~31 2Mbit/s _ 15ms 6
1 1.4.2 1.5 1.5.1 T1 1.544Mbps 7
(ZCNE) 10BASE-T 100BASE-T 10Mbps 100Mbps 3 5 4 3 10BASE-T 5 100BASE-T 15 10Mbps 100Mbps 10BASE-T 100BASE-T 100 10~100ldfZ 1.5.2 500 750 CATV 1.02~2.54cm 10Mbps CATV 6M 500 750 20~30 8
1 1.5.3 0.85IAIn 0.8~0.91im 1.3lim 1.25~1.351Am 1.551im 1.53~1.5811m 0.85IAIn 1.551im 1.31im Gbps 6~8 WDMWavelength Division Multiplexing 9
(ZCNE) 1.5.4 2GHz~40GHz 2MHz 500 Mbps Lineof Sight 1/3 200m/s 5s/Km 1.5.5 10
1 FDDI 1.6 1.7 Data Information Signal Base bandbroad band Channel 11
(ZCNE) bit Code Cell Baud 1 Baud = log 2 M bit/s M Rbit = Rbaud log2m Rbit Rbaud M=16 9600 38.4kbit/s A ASCII 01000001 Hz b/s bps Kb/sMb/sGb/s 1 10Mb/s 1.8 12
1 13
2 2.1 1 2 3 N NN-1 N 4 15
(ZCNE) 5 6 1 LAN LAN 2 MAN MAN LAN Kbit/s Gbit/sMAN LAN MAN MAN 3 WAN 16
2 2.2 2.2.1 2.2.2 1 2 3 Ethernet Token RingFDDI Ethernet Token RingFDDI 4 DOSUNIXWINDOWSOS/2 Novell 17
(ZCNE) Netware 3COM 3+OPEN Microsoft Windows NT IBM LAN Manager BANYAN VINES 5 10Mbps 100Mbps 2.2.3 2.2.3.1 BNC T BNC 2.2.3.2 RJ45 RJ45 T568A T568B T568B 2.2.3.3 ST ST 2.2.3.4 SC SC - SC 2.2.3.5 LC SC LC RJ-45 LC SC 2.2.3.6 MTRJ MT-RJ RJ LC MT-RJ 18
2 MT-RJ SC ST RJ-45 2.2.4 2.2.4.1 coaxial cable 2.2.4.2 EIA/TIA 4Mbps LAN 10M 16Mbps 10Mbps 10base-T 16Mbps 4 3 20Mbps 10base-T/100base-T UTP STP 100MHz 100Mbps 19
(ZCNE) 100Mbps 100base-T 10base-T UTP 5 TIA/EIA568 5 UTP 2.2.4.3 410um 2.2.4.4 50/125m 50m 125m LAN / 62.5/125m 62.5m 125m LAN/ 2.2.4.5 20
2 2.3 2.3.1 OSI 2.3.2 ISDN X.25ATMDSL ISDNIntegrated Services Digital Network TDM 64kbit/sB DBRI 2 B 1 16Kbit/s D ISDN PRI leased line 21
(ZCNE) X.25 X.25 X.25 48kbit/s FR X25 X.25 FR ATM Asynchronous Transfer ModeATM 53 53 DSL DSL HDSLSDSLADSLVDSL DSL 2.3.3 1 E164k~2Mbps RJ45 BNC 2 V.24 DB50 25 modem PPP 115200bps 22
2 X.25PPPHDLCSLIP LAPB IP IPX 64Kbps 2400bps60m4800bps60m9600bps 30m19200bps30m38400bps20m64000bps20m115200bps10m 3 V.35 DB50 34 modem V35 X.25 PPPSLIPLAPB IP IPX V.35 2Mbps 2400bps1250m4800bps625m9600bps 312m19200bps156m38400bps78m56000bps60m64000bps 50m2048000bps30m ATM LC SC 155M622M POS LC SC 155M622M2.5G 2.3.4 V.24 V.35 2.4 EthernetToken RingFDDI ISDNX.25ATM DSL 23
3OSI TCP/IP IPV4 OSI TCP/IP IPV4 3.1 OSI 3.1.1 OSI IBM 60 SNA 1974 SNA DECDNA 25
(ZCNE) ISO IBM SNA Open System Interconnection OSI-RM OSI 3.1-1 7 2-1 OSI 3.1-1 OSI OSI N N OSI-RM OSI ISO/IEC OSI ISO ISO OSI OSI OSI 7 26
3 OSI TCP/IP IPV4 OSI 3.1.2 OSI telnetftpsnmp word powerpoint 3.1.3 ASCII EBCDIC 3.1.4 / 3.1.5 27
(ZCNE) 3.1.6 OSI IP IPX APPLETALK 3.1.7 OSI MAC FRAME RELAY DLCI SAP SAP 28
3 OSI TCP/IP IPV4 FDDI 3.1.8 OSI DTEDCE RS232 V.35 802.3 CSMA/CD ETHERNET CSMA/CD 3.2 TCP/IP 3.2.1 TCP/IP OSI TCP/IP ISOOSI TCP/IP TCP/IP OSI OSI OSI TCP/IP 3.2.2 OSI---TCP/IP 1 TCP/IP 29
(ZCNE) TCP/IP PPP ATM 2 IP IP TCP/IP IP ICMP Internet ARP/RARP / IGMP Internet 3 TCP/IP TCP UDP TCP UDP 4 HTTP FTP SMTP/POP3 TCP/IP Telnet FTP SMTP ARP ARP 3.2.3 TCP/IP TCP/IP 3.2-1 30
3 OSI TCP/IP IPV4 TELNE FTP SMTP DNS TFTP TCP UDP ICMP IP ARP RARP 3.2-1 TCP/IP 3.2.4 3.2-2Telnet FTP SMTP --TFTP * --FTP * -NFS E-Mail -SMTP -Telnet * -rlogin - * -SNMP * --DNS* 3.2-2 3.3 IPV4 IP 1982 RFC791 IP 32 2 31
(ZCNE) IP 0~255 4 32 8 3.3.1 IPv4 IP A B C D E IP 8 8 1 A A 8 24 1 8 0 A 0~ 127 0 127 1~ 126A 126 8 1 0 24 16777214 2 B B 16 16 B 1 8 10 128~191 14 16384 65534 3 C C 24 8 C 8 3 110 192 ~ 223 C 8 254 21 3 110 2 097152 4 D 32
3 OSI TCP/IP IPV4 D 1110 224~239 IP D 5 E 1 8 4 1111 E 240~ 254 IP A B C I P 3.3.2 IP 10 1 2 2 1 0 0 2 3.3.3 IP IP 1 33
(ZCNE) IP 0 0 0 0 2 127.x.x.x 3 3.3.4 TCP/IP IP IP IP internet 3.3.5 3 IP 1 255.255.255.255 1 FF-FF-FF-FF-FF-FF IP 1 34
3 OSI TCP/IP IPV4 1 3.3.6 3.3-1 Network Host 172 16 0 0 16 15 14 13 12 11 10 9 8 76 10101100 00010000 00000000 00000000 00000000 00000001 00000000 00000011... 5 43... 2 1 11111111 11111101 11111111 11111110 11111111 11111111 2 N -2 = 2 16-2 = 65534 N 1 2 3... 65534 65535 65536-2 65534 3.3-1 2 N IP 0 1 2 3.3.7 A B 3.3.8 35
(ZCNE) IP IP 3.3.9 IP 3.3.10 IP IP 32 IP 1 0 8 8 B 255.255.0.0 16 16 B 255.255.0.0 16 16 3.3.11 IP IP IP 1 IP 2 36
3 OSI TCP/IP IPV4 3 1 0 4 0 5 1 6 IP 7 3 8 3.3.12 VLSM 2 IP 2 IP VLSM VLSM 1 2 1 VLSM BGP OSPF RIPv2 3.4 OSI TCP/IP IPv4 OSI TCP/IP 37
(ZCNE) IPv4 ABCD E IP VLSM 38
4 4.1 4.1.1 repeaterosi 4.1.2 hub Hub LAN Hub LAN 2 4.1.3 (bridge) 2 LAN 39
(ZCNE) LAN LAN MAC 4.1.4 (switch) 2 2 LAN 2 LAN MAC 4.1.5 router VLAN 4.2 10Gbps MPLSQoSIPv6 SOHO VPN LAN NGN/3G/IPTV 4.3 40
4 (bridge) LAN 2 LAN 41
(ZCNE) 5 5.1 70 Xerox Palo Alto Xerox Xerox 2Mb/s Intel DEC 10Mb/s DIXDigital Intel XeroxIEEE 802 IEEE 802.3 IntelDigital Xerox 5.2 IEEE 1980 2 802 802.3 IEEE 802.3 IEEE 802.2 LLC IEEE 802.3u 100M 42
5 IEEE 802.3z 1000M IEEE 802.3ab 1000M /IEEE 802.3 10Mbps 100Mbps 100Mbps 1000Mbps 1000Mbps1Gbps 5.3 641518 8 5.3-1 (Preamble) 0 1 7 8 (octet) (Start of Frame Delimiter) 10101011 (Destination Address) 0 1 43
(ZCNE) 1 (Source Address) (Data Length Field) 8 (Data Field) (Pad Field) 46 8 ( ) 8 () (Frame Check Sequence) 32 5.4 MAC 5.4-1MAC MAC 48 12 MAC NIC MAC IEEE NIC MAC 12 24 6 24 ZTE MAC 00d0d0 5.5 CSMA/CDCarrier Sense Multiple Access with Collision Detection CSMA/CD 44
5 CSMA/CD CSMA/CD 5.6 HUBSwitch VLAN trunk MAC MAC MAC MAC MAC MAC 45
(ZCNE) MAC ABCD MAC 5.6-1 MAC A C E0 A MAC MAC 5.6-2 MAC 0260.8C02.2222 MAC MAC E0 C A C A C MAC MAC 46
5 5.6-3 MAC 0260.8C01.1111 MAC E0 5.7 / 5.7-1 MAC 47
(ZCNE) MAC MAC MAC MAC 5.8 HUB CSMA/CD HUB MAC 5.9 ZXR10 3928 ZXR10 3928 L3 3928 ZXR10 3928 24 100BASE-TX MDI/MDIX 3928 GE 3928 console 5.9-13928 48
5 5.9.1 ZXR10 3928 ZXR10 3928 Telnet Telnet 3928 IP 3928 Console PC 5.9-2 5.9.2 ZXR10 3928 ZXR10> ZXR10# enable ZXR10(config)# configure terminal ZXR10(config-if)# interface {<interface-name> byname <by-name>} VLAN ZXR10(vlan-db)# vlan database VLAN VLAN vlan {<vlan-id> <vlan-name>} ZXR10(config-vlan)# VLAN 49
(ZCNE) VLAN MSTP ACL ACL ACL ACL ZXR10(config-if)# ZXR10(config-mstp)# ZXR10(config-basic-acl)# ZXR10(config-ext-acl)# ZXR10(config-link-acl)# ZXR10(config-hybd-acl)# interface {vlan <vlan-id> <vlan-if>} spanning-tree mst configuration acl basic {number <acl-number> name <acl-name>} acl extend {number <acl-number> name <acl-name>} acl link {number <acl-number> name <acl-name>} acl hybrid {number <acl-number> name <acl-name>} VLAN IP MSTP ACL ACL ACL ACL VRF ZXR10(config-vrf)# ip vrf <vrf-name> VRF RIP RIP OSPF IS-IS BGP BGP PIM-SM ZXR10(config-router)# router rip RIP ZXR10(config-router-af)# ZXR10(config-router)# ZXR10(config-router)# ZXR10(config-router)# ZXR10(config-router-af)# address-family ipv4 vrf <vrf-name> RIP router ospf <process-id> [vrf <vrf-name>] router isis [vrf <vrf-name>] router bgp <as-number> address-family vpnv4 BGP address-family ipv4 vrf <vrf-name> BGP RIP VRF OSPF IS-IS BGP BGP VPN VRF ZXR10(config-router)# router pimsm PIM-SM ZXR10(config-route-map)# route-map <map-tag> [permit deny] [<sequence-number>] ZXR10(diag)# diagnose CPU 5-1 ZXR10 3928 ZXR10 3928? 50
5 1 disable 2 exit exit 3 end <Ctrl+z> 5.9.3 ZXR10 3928 1? 2 3 <Tab> 4? 5 ^ ZXR10 3928 config terminal conf t 5.10 IEEE 802.3 MAC 51
6 VLAN VLAN VLAN VLAN 802.1Q VLAN 6.1 HUB HUB VLAN VLAN 6.2 VLAN VLAN VLAN 52
6 VLAN VLAN VLAN VLAN VLAN VLAN VLAN VLAN VLAN VLAN 3 3 ACL 3 VLAN VLAN VLAN VLAN VLAN 6.2-1vlan VLAN VLAN VLAN 53
(ZCNE) VLAN VLAN VLAN IP VLAN VLAN VLAN VLAN 6.3 VLAN VLAN VLAN VLAN VLAN 1 2 MAC 3 4 5 6 6.3.1 VLAN L2 VLAN VLAN 12 3 Marketing VLAN 1 2 3 6.3.2 MAC VLAN VLAN VLAN MAC VLAN MAC VLAN VLAN VLAN 54
6 VLAN VLAN MAC 6.3.3 VLAN VLAN VLAN VLAN IPIPX Appletalk VLANIP IP VLAN 6.3.4 VLAN VLAN VLAN VLAN VLAN 6.3.5 VLAN VLAN VLAN 6.3.6 VLAN VLAN VLAN VLAN VLAN 6.4 VLAN VLAN VLAN 55
(ZCNE) 6.4-1 VLAN VLAN VLAN VLAN VLAN 2 VLAN VLAN VLAN VLAN VLAN VLAN 6.5 Access LinkTrunk Link Access link VLAN non-vlan-aware VLAN PC Access VLAN 56
6 VLAN 6.5-1 truck link VLAN truck link VLAN VLAN VLAN truck link VLAN VLAN VLAN-aware / 6.6 IEEE 802.1Q IEEE VLAN IEEE 802.1Q VLAN VLAN VLAN 6.6-1 IEEE 802.1Q 57
(ZCNE) 4 4 TPID2 TPID 16 81-00 802.1Q/802.1p TCITCI 3 IEEE 802.1p TCI 1 CFI MAC TCI 12 VID VLAN 6.7 ZXR10 3928 VLAN VLAN 1 VLAN VLAN vlan 2 VLAN switchport mode access/trunk ZXR10 3928 Access 3 VLAN Access 1 VLANTrunk VLAN Access VLAN switchport access vlan vlan-id Trunk VLAN switchport trunk vlan vlan-id 6.7.1 VLAN fei_3/1 fei_3/2 Switch A fei_3/4 fei_3/5 gei_7/1 Vlan 10 Vlan 20 Trunk vlan 10,20 gei_7/1 fei_3/1 fei_3/2 Switch B fei_3/4 fei_3/5 Vlan 10 Vlan 20 6.7-1VLAN 58
6 VLAN A fei_3/1fei_3/2 B fei_3/1fei_3/2 VLAN 10 A fei_3/4fei_3/5 B fei_3/4fei_3/5 VLAN 20 Access gei_7/1 Trunk Trunk A ZXR10_A(config)#vlan 10 ZXR10_A(config-vlan)#switchport pvid fei_3/1-2 ZXR10_A(config)#vlan 20 ZXR10_A(config-vlan)#switchport pvid fei_3/4-5 ZXR10_A(config)#interface gei_7/1 ZXR10_A(config-if)#switchport mode trunk ZXR10_A(config-if)#switchport trunk vlan 10 ZXR10_A(config-if)#switchport trunk vlan 20 B ZXR10_B(config)#vlan 10 ZXR10_B(config-vlan)#switchport pvid fei_3/1-2 ZXR10_B(config)#vlan 20 ZXR10_B(config-vlan)#switchport pvid fei_3/4-5 ZXR10_B(config)#interface gei_7/1 ZXR10_B(config-if)#switchport mode trunk ZXR10_B(config-if)#switchport trunk vlan 10 ZXR10_B(config-if)#switchport trunk vlan 20 6.8 VLAN VLAN VLAN MAC VLAN VLAN Access LinkTrunk Link Access VLAN PC 59
(ZCNE) truck link VLAN VLAN VLAN-aware/ VLAN 802.1Q 60
7 ZTE IP 7.1 Internet Web Internet 40 80 80 "" Internet Internet 61
(ZCNE) TCP/IP Internet Internet Internet Internet IP IP DDNFDDI IP IP IP IPX Frame Relay () IP IPX 7.2 62
7 ZTE ACL --- 7.3 / 63
(ZCNE) 7.3.1 IP IP IP IP IP 7.3.2 / / CRC IP ARP IP MAC 2 QOS 7.4 IP IP A 64
7 ZTE 7.4-1 A HOSTS WINS DNS B IP IP B IP ARP B MAC ARP B MAC A ARP ARP B MAC B MAC ARP 7.4-2 65
(ZCNE) 7.5 A B A B X.25 7.5-1 IP A HOSTS WINS DNS B IP IP B IP A A ARP MAC ARP MAC A ARP ARP MAC MAC ARP IP IP IP IP IP IP 66
7 ZTE 7.5-2 7.6 7.6-1 IP 67
(ZCNE) IP B IP ARP MAC MAC MAC ARP MAC ARP MAC MAC MAC ARP MAC 7.7 IP IP hop by hop hop by hop IP NATIP TTL IP A B A B B A A B B 68
7 ZTE A A B B A IP IP hop by hop 7.7-1ip 7.8 69
(ZCNE) 7.8-1 1 A B A IP B B A ---R1 fei-1/1 IP R1 fei-1/1 MAC MAC IP R1 IP IP IP R1 e1-1 R2 R1 R2 e1-1 7.8-2 2 70
7 ZTE R3 R1R2 R3 B 7.8-3 3 7.9 ZXR10 GAR2604 7.9-1GAR2604 ZXR10 GAR ZXR10 GAR GAR2604 71
(ZCNE) GAR2604 console AUX FE FE GAR2604 PWR RUN ALM FAN GAR2604 GAR2604 GAR2604 10/100M V24/V35 E1 7.10 ZXR10 Console pc Aux modem Telnet telnet tftp download upload 7.10.1 ZXR10 GAR2604 Telnet Telnet GAR2604 IP GAR2604 Console PC 72
7 ZTE 7.10-1 7.11 7.11.1 7.11-1 ZXR10 GAR ZXR10 GAR ZXR10 GAR? 1 disable 2 exit exit 73
(ZCNE) 3 end <Ctrl+z> 7.11.2 1? 2 3 <Tab> 4? 5 ^ ZXR10 GAR config terminal conf t 7.12 74
8 RIPOSPF 8.1 8.1.1 IP 8.1.2 75
(ZCNE) Routing Table IP IP RAM RAM 8.1.3 Dest IP Mask 8.0.0.0 255.0.0.0 8.0.0.01 1 Gw interface Owner pri 76
8 metric 8.1-1 172.16.8.0 255.255.255.0 1.1.1.1 fei_0/1.1 static 1 0 Metric 8.2 8.2.1 Metric 77
(ZCNE) 8.2-1 RIP OSPF RIP OSPF 10.0.0.0/16 OSPF RIP OSPF 10.0.0.0/16 10.0.0.0/24 RIP OSPF 8.2-1 0 1 BGPEBGP 20 78
8 OSPF 110 RIP v1v2 120 BGPIBGP 200 Special 255 0-255 8.2.2 2.4-2 e1_1 e1_1 DDN down e1_2 PSTN 79
(ZCNE) 8.2-2 10.0.0.0 /8 1 5 8.2-3 e1_1 e1_2 down e1_2 10.0.0.0 255.0.0.0 80
8 8.2.3 10.1.1.1 10.0.0.010.1.0.0 10.1.1.010.1.1.0 24 10.1.1.1 10.1.1.10 fei_0/1.3 8.2-4 8.3 81
(ZCNE) 8.3.1, keepalive ownerdirect 0 metric 0 metric 8.3-1 down 8.3.2 static 82
8 stub ownerstatic 1 metric 0 8.3-2 ip route IP IP IP IP IP distance-metric A 83
(ZCNE) 10.0.0.0 172.16.2.2 ZXR10(config)#ip route l0.0.0.0 255.0.0.0 172.16.2.2 8.3-3 8.3.3 0.0.0.0 0.0.0.0 Show ip route ICMP Internet 99.99% OSPF Stub 84
8 8.3-4 172.16.1.0 IP 172.16.2.2 8.3.4 TCP/IP 8.3-5 85
(ZCNE) OSPF IP 89 IP OSPF BGP TCP TCP 179 RIP UDP 520 8.3.5 IGP EGP IGPInterior gateway protocols RIP OSPF IS-IS IGP IGP EGPExterior gateway protocols BGP AS AS IGP AS IANA 86
8 1 65535 1 65411 65412 65535 Distant-Vector RIP BGP OSPFIS-IS D-V Metric Metric Metric CPU RIP 16 Dijkstra L-S RIP D-V D-V up downip LSALink State Advitisement 8.4 8.4.1 DISTANCE-VECTOR D-V BELLMAN-FORD B A 87
(ZCNE) C 8.4-1 distances 8.4.2 0 8.4-2 88
8 A B metric 8.4.3 8.4-3 89
(ZCNE) A B E0 10.1.0.0 0 S0 10.2.0.0 0 B 10.1.0.0 B S0 A A B A A B 10.2.0.0 B 0 A 1 8.4-4 10.4.0.0 C C 10.4.0.0 B C C B 10.4.0.0 90
8 C B 10.4.0.0 2 8.4-5 1 Router C Router B 10.4.0.0 8.4-6 2 C B B A 10.4.0.0 3 91
(ZCNE) 8.4-7 3 B C 10.4.0.0 C B 10.4.0.0 metric 8.4.4 8.4.4.1 8.4-8 10.4.0.0 Next Hop RIP 16 Metric 16 92
8 8.4.4.2 8.4-9 B C 10.4.0.0 C B C C B 10.4.0.0 10.3.0.0 C B 10.4.0.0 8.4.4.3 8.4-10 93
(ZCNE) C S0 B 10.4.0.0 C S0 C 8.4.4.4 8.4-11 RIP 30 10.4.0.0 C 8.4.4.5 8.4-12 94
8 DV D-V 8.5 RIP 8.5.1 RIP RIP Routing Information Protocol RIP D-V UDP 520 30 180 120 RIP Hop CountRouting Metric RIP 0 1RIP metric 0~15 16 RIP Split Horizon Poison ReverseTriggered UpdateRIP RIP RIP-1 RIP-2 RIP-1 (VLSM)RIP-2 (VLSM) RIP-2 MD5 RIP-1 RIP-2 RIP-2 224.0.0.9 RIP RIP 95
(ZCNE) RIP-1 RIP-2 RIP IGP RIP RIP RIP 8.5-1 RIP 1 RIP 2 RIP Request 3 RIP Request Response 4 RIP Response RIP D-V D-V RIP 30 Response Response RIP metric' = MINmetric + cost, 16metric cost 11 16 RIP 96
8 16 180 16 Response 120 : 1 C D B -- 2 C - v1 v2 3 D B - C 4 C D - 5 In D, E, and F,, - F 97
(ZCNE) 8.5.2 RIP 8.5-2 RIP RIP RIP RIP RIP router rip RIP RIP RIP RIP RIP Network ip-address IP Network network 129.102.1.1 show running-config show ip rip network 129.102.0.0 RIP RIP RIP-1 RIP-2 RIP-2 224.0.0.9 RIP RIP RIP-1 RIP-2 RIP-1 RIP-1 RIP-2 RIP-2 RIP-2 RIP-1 RIP-2 98
8 RIP-2 RIP-2 RIP-2 RIP-1 RIP-2 RIP-1 RIP-1 RIP RIP RIP RIP RIP RIP-1 RIP-1 RIP-2 RIP-2 RIP-2 RIP-1 RIP-2 RIP-2 Simple MD5 MD5 RFC1723RIP Version 2 Carrying Additional Information RFC2083 RIP-2 MD5 AuthenticationCisco-compatible ZXR10 MD5 MD5 MD5 usual RIP 8.5-3 RIP 99
(ZCNE) A ZXR10_A(config)#router rip ZXR10_A(config-router)#network 10.1.0.0 0.0.255.255 ZXR10_A(config-router)#network 192.168.1.0 0.0.0.255 B ZXR10_B(config)#router rip ZXR10_B(config-router)#network 10.2.0.0 0.0.255.255 ZXR10_B(config-router)#network 192.168.1.0 0.0.0.255 8.5.3 RIP debug ip rip 8.5-4 RIP ZXR10#debug ip rip RIP protocol debugging is on ZXR10# 11:01:28: RIP: building update entries 130.1.0.0/16 via 0.0.0.0, metric 1, tag 0 130.1.1.0/24 via 0.0.0.0, metric 1, tag 0 177.0.0.0/9 via 0.0.0.0, metric 1, tag 0 193.1.168.0/24 via 0.0.0.0, metric 1, tag 0 197.1.0.0/16 via 0.0.0.0, metric 1, tag 0 199.2.0.0/16 via 0.0.0.0, metric 1, tag 0 202.119.8.0/24 via 0.0.0.0, metric 1, tag 0 11:01:28: RIP: sending v2 periodic update to 224.0.0.9 via oc3_3/1 (193.1.1.111) 130.1.0.0/16 via 0.0.0.0, metric 1, tag 0 130.1.1.0/24 via 0.0.0.0, metric 1, tag 0 177.0.0.0/9 via 0.0.0.0, metric 1, tag 0 193.1.1.0/24 via 0.0.0.0, metric 1, tag 0 11:01:28: RIP: sending v2 periodic update to 193.1.168.95 via fei_1/1 100
8 (193.1.168.111) 11:01:28: RIP: sending v2 periodic update to 193.1.168.86 via fei_1/1 (193.1.168.111) 11:01:28: RIP: sending v2 periodic update to 193.1.168.77 via fei_1/1 (193.1.168.111) 11:01:28: RIP: sending v2 periodic update to 193.1.168.68 via fei_1/1 (193.1.168.111) 8.6 OSPF 8.6.1 OSPF OSPF Open Shortest Path First IETF Internet Engineering Task Force IP OSPF RFC 2328OSPF OSPF OSPF OSPF OSPF OSPF OSPF VLSM OSPF 4 OSPF OSPF 101
(ZCNE) 8.6.2 OSPF Router ID OSPF Router ID 32 OSPF Router ID Router ID IP IP Router ID OSPF router ID OSPF IP 89 OSPF OSPF stub networks point-to-point NBMA broadcast or NBMA networks point-to-multipoint NBMA OSPF NBMA NBMA full meshed OSPF HELLO Hello Packet DRBDR DDP Database Description Packet DD LSDB LSDB LSA LSA HEAD HEAD LSA LSA HEAD 102
8 LSA HEAD LSA LSR Link State Request Packet DD LSA LSDB LSA LSR LSA LSA LSU Link State Update Packet LSA LSA LSAck Link State Acknowledgment Packet LSU LSA HEAD LSA 8.6-1 OSPF OSPF (Area) OSPF OSPF 103
(ZCNE) LSALink-State Advertisement Flooding Flooding LSA OSPF OSPF Cost next-hop 4 OSPF 8.6.3 OSPF 8.6-2 OSPF Router ID Router ID OSPF Router ID OSPF ID OSPF OSPF OSPF OSPF 104
8 network <address><wildcard-mask> OSPF 8.6.4 OSPF 8.6-3 OSPF A B OSPF A ZXR10_A(config)#router ospf 1 ZXR10_A(config-router)#network 192.168.2.0 0.0.0.255 area 23 ZXR10_A(config-router)#network 192.168.1.0 0.0.0.255 area 0 B ZXR10_B(config)#router ospf 1 ZXR10_B(config-router)#network 192.168.3.0 0.0.0.255 area 24 ZXR10_B(config-router)#network 192.168.1.0 0.0.0.255 area 0 8.7 IP 105
(ZCNE) RIP OSPF 106
9 IP ACL ACL ACL ACL ACL ACL ACL 9.1 ACL 9.1.1 ACL 9.1.1.1 ACL 9.1.1.2 ACL ACL ACL ACL ACL ACL IP ACL
(ZCNE) ACL QOS NAT 9.1.1.3 ACL ACL IP ACL ACL ACL IP ACL 9.1.2 ACL 9.1.2.1 ACL 9.1-1 ACL 108
9 IP outbound ACL ACL ACL ACL 2 ACL ACL ACL permit ACL permit deny 9.1.2.2 ACL 9.1-2 ACL ACL ACL ACL ACL permit deny 109
(ZCNE) permit deny ACL ACL deny ACL 9.1.2.3 ACL 9.1-3 ACL ACL IP IPIPUDPTCPICMP ACL ACL IP TCP UDP 3 4 9.1.2.4 ACL ACL ACL ACL 110
9 IP 9.1-4 ACL ACL ACL 100ACL ACL ACL ACL 1~99 ACL 100~199 ACL IP TCP/IP ACL IP IP 9.2 ACL ACL 1 ACL ACL ACL ACL ACL 1 ACL 2 ACL 111
(ZCNE) any 2 deny ACL 3 ACL IP ACL ACL 4 ACL ACL 5 ACL ACL 9.3 ACL 9.3-1 ACL ACL IP ACL ACL ACL 112
9 IP 9.4 ACL 9.4.1 ACL ACL ACL ACL ACL access-list <access-list-number> {deny permit} <source> [<source-wildcard>] IP ip-addresssource-wildcard access-list-number 1-99 permit deny ip-address source-wildcard IP 9.4.2 IP 32 IP IP 1 0 192.168.1.1/25 192.168.1.1 255.255.255.128 192.168.1.1 0.0.0.127 IP 0.0.0.0 255.255.255.255 IP 0.0.0.0 255.255.255.255 IP 0.0.0.0 255.255.255.255 any 10.10.1.1 IP 10.10.1.1 0.0.0.0 113
(ZCNE) 9.4.3 ACL 9.4.3.1 ACL 2.1-1 ACL 172.16.3.0,172.16.4.0 access-list 1 permit 172.16.0.0 0.0.255.255 (implicit deny all - not visible in the list) (access-list 1 deny 0.0.0.0 255.255.255.255) interface Fei_2/1 ip access-group 1 out interface Fei_1/1 ip access-group 1 out ACL 1 172.16.0.0 ACL1 Fei_1/1 Fei_2/1 172.16.3.0 172.16.4.0 172.16.0.0 ACL 9.4.3.2 ACL 192.89.55.0 telnet access-list 12 permit 192.89.55.0 0.0.0.255 line telnet access-class 12 114
9 IP line telent access-class access-list-number ACL telnet ACL vty 9.5 ACL 9.5.1 ACL access-list access-list-number { permit deny } protocol source source-wildcard [operator port] destination destination-wildcard [ operator port ] [ established ] ACL access-list-number ACL 100-199 { permit deny } Protocol ---- Ip UdpTcpIcmp source source-wildcard [operator port] destination destination-wildcard [ operator port ] [ established ] TCP TCP Router(config-if)# ip access-group access-list-number { in out } ACL 9.5.2 ACL 2.2-1 ACL 115
(ZCNE) 172.16.4.0 172.16.3.0 fei_ 2/1 access-list 101 deny tcp 172.16.4.0 0.0.0.255 172.16.3.0 0.0.0.255 eq 21 access-list 101 deny tcp 172.16.4.0 0.0.0.255 172.16.3.0 0.0.0.255 eq 20 access-list 101 permit ip any any(implicit deny all) (access-list 101 deny ip 0.0.0.0 255.255.255.255 0.0.0.0 255.255.255.255) interface fei_2/1 ip access-group 101 out 101 ACL 172.16.4.0/24 172.16.3.0/24 TCP 21FTP 9.6 ACL show ip access-list IP ACL ZXR10#show ip access-list 1 Standard IP access list 1 permit 10.1.1.0, wildcard bits 0.0.0.255 permit 20.1.1.0, wildcard bits 0.0.0.255 permit 30.1.1.0, wildcard bits 0.0.0.255 9.7 ACL ACL ACL ACL 116
9 IP ACL 117
10 NAT NAT NAT 10.1 NAT 10.1.1 NAT NAT (Network Address Translation) IP NAT internet Internet FTPWWW Telnet 10.1.2 NAT NAT IP IP NAT Internet NAT NAT IP
10 10.1.3 ABC Internet IP 10.0.0.0---10.255.255.255 172.16.0.0---172.31.255.255 192.168.0.0---192.168.255.255 10.2 NAT NAT NAT NAT NAT 119
(ZCNE) 10.2-1 NAT 10.1.1.1 177.20.7.3 10.1.1.1 IP 10.1.1.1 10.1.1.1 199.168.2.2 B 10.1.1.1 199.168.2.2 10.1.1.1 10.3 NAT NAT Overloading 10.3.1.1 IP IP 120
10 10.3-1 10.3.1.2 IP IP Internet IP 10.3-2 121
(ZCNE) 199.168.2.2 5492 10.1.1.3 1723 10.4 NAT NAT Internet ACL overload 10.5 NAT NAT 10.1.1.1 179.16.2.2 fei_1/1 10.1.1.10 Serial_2/1 179.16.2.1 ip nat start NAT NAT 10.1.1.1 179.16.2.2 ip nat inside source static 10.1.1.1 179.16.2.2 IP NAT interface fei_1/1 ip address 10.1.1.10 255.255.255.0 ip nat inside IP NAT 122
10 interface Serial_2/1 ip address 179.16.2.1 255.255.255.0 ip nat outside 10.6 NAT 10.0.0.0/8 199.168.2.2-199.168.2.254/24 fei_1/1 10.1.1.10 Serial_2/1 179.16.2.1 ip nat start NAT dyn-nat 199.168.2.2 199.168.2.254 ip nat pool dyn-nat 199.168.2.2 199.168.2.254 prefix-length 24 ACL 1 10.0.0.0/8 access-list 1 permit 10.0.0.0 0.255.255.255 NAT ACL 1 dyn-nat ip nat inside source list 1 pool dyn-nat IP NAT interface fei_1/1 ip address 10.1.1.10 255.255.255.0 ip nat inside IP NAT interface Serial_2/1 ip address 199.168.2.1 255.255.255.0 ip nat outside 123
(ZCNE) 10.7 NAT(overload) NAToverload IP NAT NAT overload overload ip nat inside source list 1 pool dyn-nat overload overload NAT 10.8 PAT PAT PAT WAN PAT IP Internet IP 10.0.0.0/8 199.168.2.2 ip nat start NAT test-pool (zxr10-config)#ip nat pool test-pool 199.168.2.2 199.168.2.2 prefix-length 24 NAT ACL 1 test-pool overload (zxr10-config)#ip nat inside source list 1 pool test-pool overload ACL 1 10.0.0.0/8 (zxr10-config)#access-list 1 permit 10.0.0.0 0.255.255.255 124
10 NAT 10.9 NAT NAT show ip nat translations ip nat translation timeout class a time-value NAT show ip nat statistics NAT Debug ip nat NAT IP IP NAT 10.10 NAT NAT (Network Address Translation) IP IP IP 125
(ZCNE) NAT NAT NAT Overloading 126
11 HDCL PPP FR 11.1 (Local Area Network, LAN) (Metropolitan Area Network, MAN) LAN MAN LAN (wide area network, WAN) WAN LAN WAN LAN MAN WAN Internet LAN WAN 11.1-1 11.2 1
(ZCNE) PPP HDLCPPP ZXR10 11.2-1 2 ATM 128
11 11.3 HDLC 11.3.1 HDLC ISO International Standards Organization HDLC HDLC 11.3-1 HDLC HDLC "" HDLC HDLC HDLC 01111110 HDLC "0" 5 "1""0" 5 "1""0" "0" 129
(ZCNE) 11.3.2 HDLC 11.3-2 HDLC My sequence 1 Your seqence HDLC Router B KEEPALIVE MYSEQUENCE 10 YOURSEQUENCE 1 ROUTER A Router A YOURSEQ MYSEQ 2YOURSEQ 10 KEEPALIVE 11.3.3 HDLC HDLC 1 2 HDLC 3 IP encapsulation hdlc 130
11 E1 HDLC ZXR10config#inter ce1_5/1.1 ZXR10config-if# encapsulation hdlc ZXR10config-if# ip address 123.1.1.1 255.255.255.0 ZXR 10 HDLC CISCO HDLC 11.4 PPP 11.4.1 PPP PPP SLIP SLIP PPP PPP 11.4-1 PPP PPP NCP IPCPIPXCP PAP CHAP 131
(ZCNE) 11.4.2 PPP PPPPPP 1 2 LCP 3 NCP 11.4-2 PPP PPP PPP 11.4.3 PPP PPP 132
11 11.4-3 PPP DDN DDN PSTN PPP LCP PPP NCP PPP IP IPX 11.4.4 PPP LCP 11.4-4 PPP 133
(ZCNE) LCP PPP PPP LCP PPP PPP LCP LCP 1 IPLCP 2 LCP 3 LCP NCP LCP 4 LCP LCP LCP 11.4.5 PPP PPP PAPCHAP PAP PAP PAP PAP 134
11 11.4-5 PAP PAP CHAP PAP PAP / CHAP CHAP 11.4-6 CHAP 135
(ZCNE) PPP PPP PPP CHAP PAP 11.4.6 PPP PPP encapsulation ppp pap chap ppp authentication {pap chap} user username password password ppp authentication pap user username password [0/7] password PAP ppp pap sent-username username password password CHAP ppp authentication chap ppp chap host hostname 136
11 user username password password ppp chap host hostname user username password password 11.4.7 PPP PPP PPP 1 2 IP 3 PPP encapsulation ppp 4 PAP CHAP PPP PAP CHAP 1 PAP PAP PAP ppp authentication PAP ppp pap sent-username username password 2 CHAP 137
(ZCNE) CHAP CHAP MD5 MD5 ppp authentication CHAP ppp chap hostname ppp chap password hostname password 11.4-7 PPP PAP 138
11 11.4-8 PPP CHAP 11.4.8 PPP PPP UP down UP PPP PPP down show interface 11.5 Frame Relay 11.5.1 Frame Relay X.25 X.25 X.25 139
(ZCNE) 11.5-1 Virtual Circuits SVC PVC PVC DTE DCE MAC MAC DLCI PVC DLCI LMILMI 140
11 11.5.2 11.5-2 1 F 01111110 2 AA 3 4 1 DLCI DLCI 2 DLCI 10bit DLCI 2 DLCI 16 1007 992 DLCI 0DLCI 1023DLCI 115 10081022 2/C/R C/R 3 EA EA 0 EA 1 4FECN 141
(ZCNE) FECN 1 5BECN BECN 1 DE 6 DE 1 DE 0 DE DE 1 DE 1 3 I 1600 2048 X.25 4 FCS FCS 2 CRC FCS FCS 11.5.3 BcBe CIR Tc Tc=Bc/CIR CIR CIR Bc Tc Be Tc Bc 1-4 BcBeCIR Tc Tc Dt Dt< Bc 142
11 Bc<Dt<Bc+Be Be DE 1 Dt>Bc+Be 11.5-3 CIR PVC CIR CIR=0 11.5.4 DLCI DLCI DLCIDLCI DLCI DLCI PVC DLCI 143
(ZCNE) DLCI IP IP DLCI Inverse ARP 11.5-4 DLCI 11.5.5 11.5-5 144
11 P V C PVC PVC DLCI 17 DLCI 16 DLCI 17 DLCI 16 DLCI 16 DLCI 17 PVC PVC DLCI 100 D L C I 100 D L C I DLCI 16 DLCI P V C DLCI 100 DLCI PVC PVC DLCI 28 DLCI 46 DLCI 28 DLCI 46 DLCI 46 DLCI 28 11.5.6 ZXR10 LMI LMI LMI PVC LMI LMI LMI LMI ANSI DANSI D DLCI 0 DTE Cisco LMI ANSI CCITT A A DLCI 0 DTE A PVC CIR Cisco LMI Q933a LMILMI DLCI 1023 DTE Cisco LMI Cisco LMI 145
(ZCNE) 10 DTE DLCI 0 1023 DTE DTE DLCI DLCI DTE LMI 11.5.7 frame-relay intf-type equip-type no frame-relay intf-type equip-type equip-type dcedtenni dte nni frame-relay intf-type nni lmi lmi frame-relay lmi-type lmi-type lmi no frame-relay lmi-type lmi-type lmi-type lmi ansiciscoq933a 146
11 q933aansi cisco q933a no lmi dte lmi dce lmi lmi down lmi-type lmi up lmi lmi ansi frame-relay lmi-type ansi DLCI lmi frame-relay interface-dlci number lmi no frame-relay interface-dlci number 161007 DLCI 161007 DLCI DLCI DLCI frame-relay interface-dlci 100 DLCI frame-relay map no frame-relay map ip ip-address dlci number 147
(ZCNE) no frame-relay map ip ip-address ip ip ip-address ip dlci dlci 16-1007 CISCO IETF CISCO broadcast frame-relay broadcast IP IP DLCI DLCI IETF cisco IP 2.2.2.2dlci 301 frame-relay map ip 2.2.2.2 301 CISCO IP 2.2.2.2dlci 301 frame-relay map ip 2.2.2.2 301 cisco no frame-relay map ip 2.2.2.2 show frame-relay map 148
11 11.5.8 11.5-6 () 1 2 encapsulation frame-relay 3 DCLI frame-relay interface-dlci 100 4 dcedtenni dte frame-relay intf-type equip-type 5 IP ip address ipaddress mask 1 V35 dce 149
(ZCNE) ZXR10config#interface serial_2/1 ZXR10config#encapsulation frame-relay ZXR10config#frame-relay interface-dlci 100 ZXR10config#frame-relay intf-type dce ZXR10config#ip address 202.38.163.251 255.255.255.0 2 V35 dce ZXR10config#interface serial_2/1 ZXR10config#encapsulation frame-relay ZXR10config#frame-relay interface-dlci 100 ZXR10config#frame-relay intf-type dte ZXR10config#ip address 202.38.163.252 255.255.255.0 11.5-7 () 1 2 150
11 encapsulation frame-relay 3 dcedtenni dte frame-relay intf-type equip-type 4 IP ip address ipaddress mask 5 DLCI frame-relay map ip ipaddress dlci 1 V35 dte ZXR10config#interface serial_2/1 ZXR10config#encapsulation frame-relay ZXR10config#frame-relay interface-mode point-to-multipoint ZXR10config#frame-relay intf-type dte ZXR10config#ip address 192.168.1.1 255.255.255.0 ZXR10config#frame-relay map ip 192.168.1.2 100 ZXR10config#frame-relay map ip 192.168.1.3 101 11.5.9 1 LMI ZXR10#show frame-relay lmi interface serial_2/1 LMI Statistics for interface serial_2/1 (Frame Relay DCE)LMI TYPE=CCITT Invalid Unnumbered info 0 Invalid Prot Disc 0 Invalid dummy Call Ref 0 Invalid Msg Type 0 151
(ZCNE) Invalid Status Message 0 Invalid Lock Shift 0 Invalid Information ID 0 Invalid Report IE Len 0 Invalid Report Request 0 Invalid Keep IE Len 0 Num Status Enq. Rcvd 0 Num Status msgs Sent 0 Num Update Status Sent 0 Num St Enq. Timeouts 0 2 ZXR10#sh frame-relay map serial_2/3(down): ip 192.168.1.2 dlci 100(0x64,0x1841),static, IETF,status defined,inactive ce1_5/1.1(down): ip 192.168.1.2 dlci 101(0x65,0x1851),static, CISCO,status defined,inactive 3 ZXR10#sh frame-relay pvc 101 PVC Statistics for interface serial_2/3 (Frame Relay DTE) DLCI=101,DLCI USAGE=LOCAL,PVC STATUS=INACTIVE, INTERFACE=serial_2/3 input pkts 0 output pkts 0 inbytes 0 out bytes 0 dropped pkts 0 in FECN pkts 0 in BECN pkts 0 out FECN pkts 0 out BECN pkts 0 in DE pkts 0 out DE pkts 0 out bcast pkts 0 out bcast bytes 0 pvc create time 0d 0:0:0, last time pvc status changed 0d 0:0:0 11.5.10 down up down up ping down 152
11 down up debug lmi up ping 11.6 HDLC HDLC PPP 153