1 BEIGRP acitve BGP BGP E E E E IP Routing

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2 1 BEIGRP acitve BGP BGP E E E E IP Routing RIP IP Routing IP Routing IP Routing RIP IPSec TCP/IP UDP ping IP unnumbered ISDN ISDN: ISDN: (BRI) ISDN: ISDN: ISDN: B UP ISDN: B UP I -

3 7.7 ISDN: B UP ISDN: ISDN: ISDN: OSPF OSPF OSPF RSVP RSVP RSVP resv RSVP path resv, RSVP resv RSVP path resv RSVP resv ip rsvp local sender xxx is a invalid session ID! Not allow this operation for this session! You must remove old operate! ip rsvp local reservation xxx is a invalid session ID! Not allow this operation for this session! You must remove old operate! ip rsvp local sender reservation This operation do not allowed to intra session! X show interfaces serial X X ping II -

4 M IP down ping ping III -

5 1BEIGRP BEIGRP 2. network 1 show ip beigrp neighbors network BEIGRP 2 show running-config 3 BEIGRP network ethernet1/0 IP BEIGRP router_config#router beigrp 100 router_config_beigrp_100#network show ip beigrp protocol 2 router beigrp BEIGRP BEIGRP 1 show ip beigrp protocol BEIGRP 2 router beigrp BEIGRP BEIGRP metric weight K BEIGRP 1 debug ip packets debug ip beigrp packets access-list hello ipbeigrp IP - 1 -

6 BEIGRPhello CPU 2 IPBEIGRP access-list BEIGRP 3 no ip access-group access-list-number in access-list 4 IPBEIGRPdebug 5 access-list access-list access-list. 6 access list access list permit 7 access list 8 access list BEIGRP BEIGRP BEIGRP 2. BEIGRP redistribute 1 show running-config BEIGRP 2 BEIGRP - 2 -

7 router beigrp redistribute BEIGRP router_config#router beigrp 100 router_config_beigrp_100#redistribute beigrp 200 router_config_beigrp_100#exit router_config#router beigrp 200 router_config_beigrp_100#redistribute beigrp 100 3, redistribute static 1 show running-config 2 redistribute ospf 500beigrp 200 router_config#router ospf 500 router_config_ospf_500#redistribute beigrp 200 router_config_ospf_500#exit router_config#router beigrp 200 router_config_beigrp_200#redistribute ospf redistribute static hello-interval hold-time 1 show running-config 2 ip beigrp hello-interval ip beigrp hold-time 3 hello-intervalhold-time no ip beigrp hello-intervalno ip beigrp hold-time 1 show running-config default-metric 2 default-metric - 3 -

8 metric BEIGRP 3 default-metric redistribute default-metric 1.3 acitve 1. BEIGRP show ip beigrp topology BEIGRP tpb Active BEIGRP active-timer reply 2. Active-timer 1 show running-configbeigrp 2router beigrp timers active-time active query reply reply 3 timers active-time 3 query reply 1 show ip beigrp neighbors Uptime Q Cnt (queue count) uptime Q Cnt 2 BEIGRP debug Stack_in_Active - 4 -

9 3 BEIGRP 1 BEIGRP query reply query reply active-timer 2 3. BEIGRP Active/Passive BEIGRP Passive Active BEIGRP Passive BEIGRP A BEIGRP Active query A Active reply active-timer active-timer reply A Passive query Stuck-in-Activedebug reply Passive - 5 -

10 2BGP 2.1 BGP 1. BGP 2. ping neighbor BGP TCP neighbor update-source 1 debug ip bgp BGP 2 neighbor remote-as neighbor update-source 1 debug ip bgp 2 router bgp neighbor remote-as AS EBGP EBGP 1 debug ip bgp 2 neighbor ebgp-multihop BGP BGP 4debug ip bgp open debug ip bgp BGP6 2 1 debug ip bgp - 6 -

11 network aggregate-address redistribute 2. Network network IP BGP 1 show ip bgp network 2 Aggregate-address aggregate BGP Redistribute Redistribute Show ip bgp s Nexthop Nexthop IBGP IBGP IBGP 1-7 -

12 2 IGP EBGP IBGP IGP IGP EBGP IBGP 1 IGP 2 IGP BGP 1 show ip bgp *> 1 2 aggregate-address 1 table-map 2-8 -

13 3E1 3.1 E1 1. E1 2. E1 1. show version E1 2. E1 E1 1. show version E1 2. E1 E1 E1 E1 1. show running-config controller E1 E11. unframed channel-group 2. channelizede1channel-group unchannelizede1unframed show running-config controller E1 unframed channel-group 2. unframed Serial slot/port:0 3. channel-group Serial slot/port:group-number channel 3.2 E1 1. ping E

14 1. show interface E1 1. line down 2. E1 DSU/CSU 3. 4 line down E1 1. show interface E1 2. protocol down 3. show interface encapsualtion encapsulation 4. telnet controller E1 loopbackdebug show interface HDLC ; E1 1. show interface 2. administratively down no shutdown 3. show running-config controller E1 shutdown 4. E1 controller E1 no shutdown E1 3.3 E1 1. ping E1 show interface input errors CRC errors 2. DSU 1. show running-config interface clock internal 2. DSU

15 clock external DSU 1. DSU DSU DSU Serialx/y:z Console Line on Interface,changed state to up Line on Interface Serialx/y:z,changed state to up show interface input errors CRC errors, E1 Console

16 4IP Routing RIP IP Routing RIPBIGPOSPF BGP TCP/IP UNIX UNIX 4.1 IP Routing 1. WAN 2. UNIX ROUTED UNIX unix%netstat rn UNIX unix%route add default address 1 address ip1 hop UNIX traceroute show ip

17 route show ip route show running-config RIP router rip network router network RIP router(config)#router rip router(config_rip)#network router(config_rip)#network IP Routing show running-config show running-config no ip rip split-horizon ip rip split-horizon RIP 1/0 routerconfig#interface serial 1/0-13 -

18 routerconfig-s1/0#ip rip split-horizon 3. C B C OSPF RIP B A B redistribute RIP RIP C B C B OSPF C B OSPF RIP C s1/0 B rtb(config)#router rip rtb(config-rip)#filter * in rip_filter rtb(config-rip)#exit rtb(config)#ip access-list standard rip_filter rtb(config_std_nacl)#deny rtb(config_std_nacl)#permit any rtb(config_std_nacl)#exit filter deny RIP B C OSPF permit B RIP

19 4.3 IP Routing LAN show interface down administratively down no shutdown show interface UP DOWN second RIPBIGPOSPF second interface ehternet 1/0 ip address ! interface ehternet 1/1 ip address second! router ospf 100 network area 192! ehternet 1/0 OSPF ehternet 1/1 OSPF network show running-config network /24 IP /16 RIP router(config)#router rip router(config_rip)#network router(config_rip)#network

20 4.4 RIP 1. host or destination unreachable RIP 2. network show running-config network network /24 IP /16 RIP router(config)#router rip router(config_rip)#network router(config_rip)#network show running-config filter infilter out filter in filter out access-list filter no filter access list rip_filter router(config_rip)#no filter * in filter show ip route filter access-list access-list show running-config access list

21 access list redistribute show running-config show ip interface ip address redistribute show running-config redistribute RIP redistribute ROUTER(config-rip)#redistribute static redistribute active 3. IP UNIX IP IP Subnet address 48, host 1 Subnet address 32, host 17 IP

22 5IPSec 1. 1 IPSec-manual IPSec-isakmp debug crypto packet rec'd IPSEC packet from IPADDR has invalid spi. outboundspi espah IPSec-manual inbound SPI inbound outbound IPSec-isakmp 2. 2 IPSec-manual debug crypto packet packet missing policy. outbound esp esp ah ah+esp

23 3. 3 IPSec-manual debug crypto packet rec'd IPSEC packet from IPADDR has bad pading. outbound outbound inbound inbound 4. 4 IPSec-manual debug crypto packet rec'd IPSEC packet mac verify failed. outboundespah inbound outboundespah inbound 5. 5 IPSec-manual debug crypto packet rec'd IPSEC packet from IPADDR to IPADDR does not agree with policy

24 IPSEC access-list sub_mapaccess-list MAP IPSec 6. 6 IPSec-isakmp show crypto isakmp sa SA debug crypto isakmp ISAKMP(xxx): processing ISAKMP-SA payload transform-payload ISAKMP(xxx): no acceptable Oakley Transform ISAKMP(xxx)negotiate error NO_PROPOSAL_CHOSEN ISAKMP ISAKMP-Policy lifetime 7. 7 IPSec-isakmp show crypto ipsec sa SA debug crypto isakmp ISAKMP(xxx): processing IPSec-SA payload transform-payload ISAKMP(xxx): no acceptable Proposal in IPsec SA ISAKMP(xxx)negotiate error NO_PROPOSAL_CHOSEN IPSec transform-set sub_map pfs

25 8. 8 IPSec-isakmp show crypto ipsec sa SA debug crypto isakmp ISAKMP: attr accept again transform-set xxx... ISAKMP(xxx)dealing with ID-payload IPSec access-list ISAKMP(xxx): ISAKMP: not found matchable policy IPSec sub_mapaccess-list 9. 9 IPSec-isakmp show crypto isakmp sa SA debug crypto isakmp ISAKMP(xxx): dealing with Notify Payload ISAKMP: Notify-Message: NO_PROPOSAL_CHOSEN ISAKMP ISAKMP-Policy IPSec-isakmp show crypto isakmp sa M_SA_SETUP show

26 crypto ipsec sa SA debug crypto isakmp ISAKMP(xxx): dealing with Notify Payload ISAKMP: Notify-Message: NO_PROPOSAL_CHOSEN IPSec transform-set access-list sub_map pfs access-list IPSec-isakmp show crypto ipsec sa SA debug crypto isakmp ISAKMP(xxx): dealing with Notify Payload ISAKMP: Notify-Message: INVALID-EXCHANGE-TYPE ISAKMP(xxx): negotiate error INVALID-EXCHANGE-TYPE Aggressive Main IPSec-isakmp show crypto ipsec sa SA debug crypto isakmp ISAKMP(xxx): dealing with Notify Payload ISAKMP: Notify-Message: INVALID-SPI

27 ISAKMP(xxx): negotiate error INVALID-SPI SPI IPSec-isakmp show crypto ipsec sa SA debug crypto isakmp ISAKMP(xxx): dealing with Notify Payload ISAKMP: Notify-Message: INVALID-ID-INFORMATION ISAKMP(xxx): negotiate error INVALID-ID-INFORMATION ID-Payload IPSec-isakmp show crypto ipsec sa SA debug crypto isakmp ISAKMP(xxx): dealing with Notify Payload ISAKMP: Notify-Message: ATTRIBUTES-NOT-SUPPORTED ISAKMP(xxx): negotiate error ATTRIBUTES-NOT-SUPPORTED

28 SA-Payload ISAKMP IPSec IPSec-isakmp show crypto ipsec sa SA debug crypto isakmp ISAKMP(xxx): dealing with Notify Payload ISAKMP: Notify-Message: AUTHENTICATION-FAILED ISAKMP(xxx): negotiate error AUTHENTICATION-FAILED

29 6TCP/IP 6.1 windows DOS route print -> -> ->TCP/IP Adapter telnet ping ping ping DNS DNS DNS DNS DNS DNS windows ping Unknown host xx ping DNS ping IP DNS windows ping Unknown Host xx ping DNSping IP 6.2 ping telnet

30 show running-config Access lists permitdeny 6.3 UDP BOOTP UDP ip UDP debug ip udp helper-address ze show running-config ip helper-address serverip BOOTP server ip helper-address UDP IP helper UDP UDP UDP 150 ip forward-protocol udp 150 UDP ip forward-protocol udp UDP show running-config no ip forward-protocol udp no ip forward-protocol udp 53 53UDP show running-config permitdeny

31 6.4 DNS windows DNS DNS DNS DNS DNS DNS 6.5 show interfaces no shutdown 6.6 ping IP IP ping show interface no shutdown

32 IP ping 6.7 ip fast-switch enable ICMP ip fast-switch enable 6.8 ip show running-config directed-broadcast ip directed-broadcast ip directed-broadcast show running-config ip directed-broadcast

33 6.9 IP IP 6.10 unnumbered IP IP unnumbered IP unnumbered unnumbered IP

34 7ISDN ISDN ISDN 7.1 ISDN: ISDN down 1 show interfaces ISDN 2 show interfaces administratively down no shutdown up 3 down dialer map 1 show running-config dialer map 2 dialer map dialer dialer map dialer map name R2600 broadcast 1234 dialer map name R2600 broadcast dialer map 4 dialer map broadcast dialer group 1 show running-config dialer-group 2 dialer group dialer-group group-number dialer group dialer group 3 group-number dialer-list group-number

35 dialer group dialer list 1 show running-config dialer-list 2 dialer list dialer-list protocol dialer-list listdialer group dialer group dialer-list 1 protocol ip list dialer-list group dialer group 1 show running-config dialer-list 2 dialer-list OSPF uninteresting IP interesting ip access-list standard dialer-interestring deny ospf any any deny ip any any 3 dialer-list interesting 7.2 ISDN: (BRI) ISDN BRI Dialer map 1 show running-config dialer map 2 dialer map BRI 1 ISDN ROUTER#debug isdn event ROUTER#debug isdn q931 2 User busy ISDN

36 1 RJ-45 RJ ISDN NT1 NT1 NT1BRI 2 BRI NT1S/T 1 NT1 NT1 2 NT NT1 4 show isdn status Layer 1 active 5 WAN 1 show isdn status Layer 1 active 2 Layer 1 active 3 BRI NT1 4 NT ISDN: ISDN ISDN ping CHAP 1 debug ppp chap 2 ping Passed chap authentication. 3 show running-config ppp

37 authentication chap 4 username username password username PPP 1 show running-config encapsulation ppp 2 PPP encapsulation ppp 3 show running-config PPP 1 show ip route 2 ip route 3 down dialer map 1 show running-config dialer map 2 dialer map DDR dialer-group 1 dialer group show running-config dialer-group 2 dialer-group dialer group dialer-group group-number group-number dialer-list group-number dialer group 7.4 ISDN: ISDN ISDN ping

38 3 LAN 1 show ip route 2 ip route 3 down LAN LAN ISDN: B UP B B UP dialer load-threshold 1 show running-config dialer load-threshold 2 dialer load-threshold load B B UP B 1 show running-config dialer map dialer map 2 ISDN dialer map (5ESS PRI BRI) B dialer map ISDNB B B ISDN B

39 7.6 ISDN: B UP B B UP B dialer load-threshold 1 show running-config dialer load-threshold Step 2 B B B 7.7 ISDN: B UP B B B UP dialer load-threshold 1 show running-config dialer load-threshold Step 2 B B B B 7.8 ISDN: ISDN

40 1 ISDN / BRI show interfaces bri show interfaces serial 0 packets input, 0 bytes, 20 unused_rx, 0 no buffer 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 2 3 DCE 7.9 ISDN: ISDN dialer hold-queue 1 show running-config dialer hold-queue dialer idle-timeout 2 dialer hold-queue modem 20 1 show running-config dialer idle-timeout ISDN 3 dialer idle-timeout dialer fast-idle 1 show running-config

41 dialer fast-idle 2 ISDN 3 dialer idle-timeout Dialer list 1 show ip access-lists idle 2 show running-config dialer-list 3 uninteresting down SNMP idle 4 uninteresting 7.10 ISDN: ISDN dialer idle-timeout 1 show running-config dialer idle-timeout ISDN 3 dialer idle-timeout dialer fast-idle 1 show running-config dialer fast-idle 20 2 ISDN 3 dialer idle-timeout

42 8OSPF 8.1 OSPF OSPF network 1 show ip ospf interfaces network OSPF 2 OSPF show running-config 3 OSPF network IP OSPF ROUTER_config#router ospf 100 ROUTER_config_ospf_100#net area 0 ID 4 OSPF OSPF HelloHello dead E stub dead E ( ID ID OSPF stub ) OSPF 1 OSPF show ip ospf neighbor 2 show ip ospf interface OSPF Hellodead ROUTER#show ip ospf interface [...] Hello interval is 12, Dead timer is 48, Retransmit is

43 e1/1hello 10 ROUTER_config#interface e1/1 ROUTER_config_e1/1#ip ospf hello-interval 10 4 debug ip ospf events ROUTER : ROUTER#debug ip ospf events OSPF: invalid src and mask in received hello packet from OSPF 6 ID stub : 1 show access-list IP 2 IP 10 : ROUTER_config_s1/0#no ip access-group 10 in 3 show ip ospf neighbor OSPF hello OSPF IP deny any OSPF 89 permit ospf 101 OSPF : ROUTER_config#ip access-list extended 101 ROUTER_config_ext_nacl#permit ospf any any 6 show ip ospf neighbors

44 7 stub 1 stub ABR show running-config area 2 stub area 2 virtual-link no 1 ABR=area border router 8.2 OSPF OSPF OSPF IGRP RIP 1 show running-config OSPF 2 redistribute 3 redistribute ROUTER_config#router ospf 100 ROUTER_config_ospf_100#redistribute rip 1 show running-config ABR ABRABR 0 OSPF network 0 2 ABR network OSPF 100 OSPF ROUTER_config#router ospf 100 ROUTER_config_ospf_100#net area

45 OSPF stub 1 show ip ospf interface show ip ospf interface Serial1/0 is up, line protocol is up Internet Address: /24 Nettype: Point-to-Point OSPF process is 64, AREA 0, Router ID Cost: 1600, Transmit Delay is 1 sec, Priority 0 Hello interval is 10, Dead timer is 40, Retransmit is 5 OSPF INTF State is IPOINT_TO_POINT Neighbor Count is 0, Adjacent neighbor count is 0 2 ip ospf network broadcast OSPFstub stub area area-id stub no-summary stub 1 stub show running-config 2 area area-id stub no-summary ROUTER_config#router ospf 100 ROUTER_config_ospf_100#no area 1 stub no-summary no-summary stub 3 stub 1 show running-config 2 distribute-list in distribute-list out distribute-list in LSA OSPF distribute-list out OSPF distribute-list out ASBR : distribute-list OSPF

46 LSA 3 distribute-list no 10 ROUTER_config_ospf_100#no distribute-list 10 in 4 clear ip route 5 show ip route distribute-list 6 7 show running-config deny any permit 8 distribute-list clear ip route 9 1 show running-config area area-id virtual-link router-id 2 show ip ospf IP 3 area area-id virtual-link router-id ID IDIP BA A A_config#router ospf 250 A_config_ospf_250#net area 1 A_config_ospf_250#net area 0 A_config_ospf_250#area 1 virtual-link

47 B B_config#router ospf 250 B_config_ospf_250#net area 1 B_config_ospf_250#net area 2 B_config_ospf_250#area 1 virtual-link LSA=link state advertisement ( ) 2 ASBR=autonomous system border router( ) OSPF

48 9RSVP 9.1 RSVP RSVP RSVP show ip rsvp interface API RSVP ip rsvp bandwidth RSVP RSVP RSVP RSVP RSVP show ip rsvp path RSVP path show ip rsvp reservation RSVP resv debug ip rsvp intalled show ip rsvp interface show ip rsvp reservation

49 show ip rsvp interface show ip rsvp reservation RSVP resv RSVP RSVP RSVP show ip rsvp path RSVP path show ip rsvp reservation RSVP resv debug ip rsvp detail RSVP path RSVP resv RSVP ip rsvp neighbors RSVP RSVP path resv, RSVP resv RSVP RSVP RSVP show ip rsvp path RSVP path show ip rsvp reservation RSVP resv debug ip rsvp detail RSVP path RSVP resv

50 show ip rsvp interface ip rsvp bandwidth RSVP RSVP RSVP RSVP RSVP path resv RSVP resv RSVP RSVP RSVP show ip rsvp path RSVP path show ip rsvp reservation RSVP resv debug ip rsvp detail RSVP path RSVP resv RSVP debug ip packet multicast multicastrsvp RSVP multicast RSVP 9.2 ip rsvp local sender xxx is a invalid session ID! RSVP ip rsvp local sender RSVP sender xxx is a invalid session ID! show ip rsvp local RSVP session

51 ip rsvp local session session show ip rsvp local session RSVP CISCO IOS ip rsvp local sender ip rsvp local session RSVP session show ip rsvp local session ip rsvp local session IP Not allow this operation for this session! RSVP ip rsvp local session rsvp session ip rsvp local sender RSVP sender Not allow this operation for this session! show ip rsvp local RSVP session RSVP session IP show ip rsvp local session IP session RSVP sender resv sessionip ip rsvp local sender ip rsvp local sender IP You must remove old operate! RSVP ip rsvp local session rsvp session ip rsvp local sender RSVP sender You must remove old operate! show ip rsvp local RSVP session session sender

52 session show ip rsvp local RSVP session sender session sender sender session sender sender session sender no ip rsvp local sender session sender 9.3 ip rsvp local reservation xxx is a invalid session ID! RSVP ip rsvp local reservation RSVP resv xxx is a invalid session ID! show ip rsvp local RSVP session ip rsvp local session session show ip rsvp local session RSVP CISCO IOS ip rsvp local resvip rsvp local session RSVP session show ip rsvp local session ip rsvp local session IP RSVP TCPUDP Not allow this operation for this session! RSVP ip rsvp local session rsvp session ip rsvp local sender RSVP resv Not allow this operation for this session!

53 show ip rsvp local RSVP session RSVP session IP show ip rsvp local session IP sessionip session RSVPresv sender sessionip multicast RSVP multicast ip rsvp local sender ip rsvp local sender RSVP IP You must remove old operate! RSVP ip rsvp local session rsvp session ip rsvp local reservation RSVP resv You must remove old operate! show ip rsvp local RSVP session session resv session resv show ip rsvp local RSVP session session resv sender session resv resv session resv no ip rsvp local resv session resv

54 9.4 ip rsvp local sender reservation This operation do not allowed to intra session! RSVP show ip rsvp local sender resv rsvp session ip rsvp local sender ip rsvp local reservation This operation do not allowed to intra session! session show ip rsvp local RSVP session session SYS RSVPsession USR SYS RSVP session 9.5 RSVP RSVP sender RSVP resv sender 50Kbps resv 60Kbps show ip rsvp installed 60Kbps RSVP resv sender resv

55 10X.25 X.25 show interfaces serial X.25 show interfaces serial X show interfaces serial X.25 EXEC show interfaces serial show interfaces serial X.25 REJ-- SABM-- SABM RNR-- RNR FRMR-- RESTART-- DISC-- RESTART LAPB X.25 LAPB X.25 X.25 LAPB EXEC show interfaces serial X.25 Serial0/1 is up, line protocol is down Hardware is SCC Mode=Sync DTE DTR=UP,DSR=UP,RTS=UP,CTS=UP,DCD=UP Interface address is /8 MTU 1500 bytes, BW 64 kbit, DLY 2000 usec Encapsulation X25, loopback not set, Keepalive not set LAPB DTE, module 8, k 7, N1 1500, N2 16, T1 3 state AWAIT_EST, VS 0, VR 0, Remote VR 0 IFRAMEs 0/0, RRs 0/0, RNRs 0/0, REJs 0/0 FRMRs 0/0, SABMs 0/4206, SABMEs 0/0 UAs 0/0, DMs 0/0, DISCs 0/0 X25 DTE, address NULL, module 8, window size 2, packet size 128 Virtual Circuits: htc 16, pvc 0, svc

56 Timers: T20 180s, T23 180s, idle VC timeout 100s Data 0/0, RR 0/0, RNR 0/0 Call_request 0/0, Call_confirm 0/0 Clear_request 0/0, Clear_confirm 0/0 Reset_request 0/0, Reset_confirm 0/0 Restart_request 0/0, Restart_confirm 0/0 Interrupt_request 0/0, Interrupt_confirm 0/0 1 minute input rate 11 bits/sec, 0 packets/sec 1 minute output rate 11 bits/sec, 0 packets/sec 1943 packets input, bytes, 3 unused_rx, 0 no buffer 10.2 X.25 X.25 show interfaces serial 1 show interfaces serial 2 down up down show interfaces serial LAPB 3 LAPB CONNECTdebug lapb SABM SABMUA UA 4 show interface serial up 5 1 debug lapb SABM debug lapb debug x25 events 2 RESTART PVC CLEAR REQUESTSSVC debug x25 events X.25 3 LAPB modulo,t1,n1,n2k X.25modulo,X.121 SVCPVC

57 X25 map 1 show running-config x25 map 2 x25 map 3 x25 map broadcast 4 X.25 5 debug x25 events RESTART PVC CLEAR REQUESTS SVC debug x25 eventsx X.25 show interfaces serial REJ, RNR, FRMR, RESTART DISC IFRAME 0.5 IFRAME 0.5X.25 SABM 10 1 show interfaces serial 2 down up down show interfaces serial LAPB 3 LAPB CONNECTdebug lapb SABM SABMUA 4 EXEC

58 Modem RS232 V.24 2 show interface DTRDSRRTSCTS up Modem 1 show dialer interface READY 2 line script reset Debug chat 3 Modem DTE33.6K Modem K (33.6K) Modem Modem 1 ModemDSR AT&S0 DTR 2 Modem Modem 1 show dialer interface Dialing outconnected Init Modem Modem 1 show running-config dialer-list 2 dialer-list 3 dialer stringdialer map dialer mapbroadcast dialer string 1 Modem 2 1 script dialer

59 Modem RS232 V.24 2 show interface DTRDSRRTS CTS up Modem 1 show dialer interface READY 2 line script reset debug chat 3 Modem DTE33.6K Modem K (33.6K) Modem Modem 1 ModemDSR AT&S0 DTR 2 Modem Modem 1show script show running-config S0=1 2 ModemAA Modem 1 Modem show running-config ppp callback requestppp callback accept PPP 1 debug ppp authentication 2 1 show dialer interface (Idle time)

60 11.4 ping dialer string 1 show running-config dialer string dialer map dialer map dialer map 1 show running-config dialer map broadcast 2 IP

61 show version ESCC ; show version ping 1. show interface 2. line down CD 3. DSU/CSU ; 4. line down 1. show interface 2. protocol down, DCE, DCE phy speed 5. show interface Encapsulation encapsulation 6. phy speed

62 1. show interface 2. administratively down no shutdown 12.3 ping show interface input errors CRC errors 1.Console Line Interface Serial(Async) slot/port,state changed to up Line on Interface Serial slot/port,state changed to down 2. DCE phy speed show interface input errorscrc errors, 1. Console

63 E1 1. show version 2. E1 1. show version ping 1. show interface line protocol down ; 2. no speed line protocol down 1. show interface 2. administratively down no shutdown 13.3 ping 1. show interface input errorscrc, IP 1. ip ;

64 M 100M show interfae 10Mb/s 1 show running-config interface speed Mno speed speed M; 1. EIA/TIA 568A ; 2. EIA/TIA 568A EIA/TIA 568A M show interfae Half-duplex 1. show running-config interface half-duplex 2. no half-duplex full-duplex ; HUB1. HUB HUB;

65 14IP FXS shutdown show running shutdown no shutdown 2. FXS POTS show dial-peer dial-peer show running pots dial-peer POTS show dial-peer show dial-peershutdown runningdial-peerdial-peer shutdown dial-peer no shutdown 3. show dial-peershow running VOIP dial-peer dial-peer dial-peer destination-pattern destination-pattern pots dial-peerpots dial-peer down show dial-peer dial-peer destination-pattern dial-peer session targetshow interface session target IP On down

66 4. H.323 TCP config TCP ip tcp synwait-time 75 seconds 5. VoIP show dial-peer codec dial-peercodec destination-patternvoip dial-peer codec pots dial-peer destination-pattern show dial-peer destination-pattern voip dial-peer codec codec codec xxxxxryy xxxxx-yyxxxxx 6. voip codec dial-peercodec xxxxx yy codec codec 7. dial-peer show running t dial-peer destination-partten t dial-peer terminator 8. H.323 H.323 MS Netmeeting

67 H323 show dial-peer session dial-peer dial-peer terminaldial-peer show dial-peer destination-pattern dial-peer session dial-peer terminal dial-peer destination-pattern destination-pattern dial-peer trim-prefix length length H.323 IP trim-prefix 12 H.323 IP A.B.C.D 3 0 H.323 voip dial-peer codec H.323 codec G723r53G723r63 9. Cisco Cisco26xx Cisco26xx cisco26xx CISCO dial-peer voip dial-peer 10. show dial-peer H323ID gatekeeper endpoint E164 destination-partten show GK running H323ID

68 zone subnet show running show gatekeeper zone IP 1 GK zone local gk1 mycompony.com ipaddr GW gateway h323id gw1@mycompony.com gateway h323id gw1 11. codec show dial-peer dial-peer codec dial-peer codec 12. FAX codec FAXbypass dial-peer codec G726r32, G726r40, G727r32, G727r40, G711ar64, G711ur64 T38/RTP g729-compatible, g729r8 show dial-peer dial-peercodec 13. FXS show voice-port PBXFXO FXO FXO show cptone cptone sense cptone

69 15. E&M PBX emsignalin immediate PBX E&M offhook delay show running offhook delay offhook delay 0 Erricson MD debug sig-gain, 4 siggain debug vpm signaldebug vpm DTMF 4 dsp DTMF debug 10 siggain DTMF siggain siggain siggain 17. E&M FXO PSTN 18. G K CRTP

70 11K G.723r53 18K CRTP 9K G.723r63 19K CRTP 9.5K QoSRSVP 14.2 NAT NAT H.323 NAT debug voip error {[MODULE]} [detail] debug voip event {[MODULE]} [detail] 2 IP

71 down downshow interfaces serial down up down 1 show interface serial up 2 down 3 4 DCE DCE LMI 1 show interface serial 2 up down show interface serial LMI 3 LMI frame-relay lmi-type {ansi lmi q933a} Keepalive 1 show interfaces keepalive. "keepalive not set" keepalive 2 keepalive seconds keepalive 10 1 show frame-relay pvc PVC DLCI 2 PVC inactive Deleted PVC DLCI 1 show frame-relay DLCI

72 2 DLCI shutdown no shutdown 15.2 ping ping. 1 show frame-relay pvc PVC DLCI 2 PVC inactive Deleted PVC DLCI DLCI 1 show frame-relay pvc DLCI 2 DLCI shutdown no shutdown 1 show access-list 2 no access-group 3 4 5, 1 show frame-relay map DLCI 2 clear frame-relay-inarp frame-relay map ARP show frame-relay map DLCI 3 frame-relay map 4 DLCI 1 show running-config frame-relay map frame-relay map broadcast Broadcast

73 2 broadcast : broadcast ARP ARP frame-relay local-dlci dlci broadcast ARP 15.3 ping ping 1 1 ping ping 2 ping ping 3 ping