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- Below shows the output of the PPP authentication debug messages for a successful unidirectional PAP authentication on NAS: NAS# 00:07:08: Se0/0 LCP: I CONFREQ [Listen] id 25 len 10 00:07:08: Se0/0 LCP: MagicNumber 0x0013D707 (0x05060013D707) 00:07:08: Se0/0 PPP: Authorization required 00:07:08: Se0/0 LCP: O CONFREQ [Listen] id 83 len 14 00:07:08: Se0/0 LCP: AuthProto PAP (0x0304C023) 00:07:08: Se0/0 LCP: MagicNumber 0x0113BFC6 (0x05060113BFC6) 00:07:08: Se0/0 LCP: O CONFACK [Listen] id 25 len 10 00:07:08: Se0/0 LCP: MagicNumber 0x0013D707 (0x05060013D707) 00:07:09: Se0/0 LCP: I CONFACK [ACKsent] id 83 len 14 00:07:09: Se0/0 LCP: AuthProto PAP (0x0304C023) 00:07:09: Se0/0 LCP: MagicNumber 0x0113BFC6 (0x05060113BFC6) 00:07:09: Se0/0 LCP: State is Open 00:07:09: Se0/0 PPP: Phase is AUTHENTICATING, by this end 00:07:09: Se0/0 PAP: I AUTH-REQ id 25 len 17 from "Client" 00:07:09: Se0/0 PAP: Authenticating peer Client 00:07:09: Se0/0 PPP: Phase is FORWARDING, Attempting Forward 00:07:09: Se0/0 PPP: Phase is AUTHENTICATING, Unauthenticated User 00:07:09: Se0/0 PPP: Sent PAP LOGIN Request 00:07:09: Se0/0 PPP: Received LOGIN Response PASS 00:07:09: Se0/0 PPP: Phase is FORWARDING, Attempting Forward 00:07:09: Se0/0 PPP: Phase is AUTHENTICATING, Authenticated User 00:07:09: Se0/0 PPP: Sent LCP AUTHOR Request 00:07:09: Se0/0 PPP: Sent IPCP AUTHOR Request 00:07:09: Se0/0 LCP: Received AAA AUTHOR Response PASS 00:07:09: Se0/0 IPCP: Received AAA AUTHOR Response PASS 00:07:09: Se0/0 PAP: O AUTH-ACK id 25 len 5 00:07:09: Se0/0 PPP: Phase is UP 00:07:09: Se0/0 IPCP: O CONFREQ [Closed] id 1 len 10 00:07:09: Se0/0 IPCP: Address 10.10.10.2 (0x03060A0A0A02) 00:07:09: Se0/0 PPP: Sent CDPCP AUTHOR Request 00:07:09: Se0/0 PPP: Process pending ncp packets 00:07:09: Se0/0 CDPCP: Received AAA AUTHOR Response PASS 00:07:09: Se0/0 CDPCP: O CONFREQ [Closed] id 1 len 4 00:07:09: Se0/0 IPCP: I CONFREQ [REQsent] id 1 len 10 00:07:09: Se0/0 IPCP: Address 10.10.10.1 (0x03060A0A0A01) 00:07:09: Se0/0 AAA/AUTHOR/IPCP: Start. Her address 10.1.1.1, we want 0.0.0.0 00:07:09: Se0/0 PPP: Sent IPCP AUTHOR Request 00:07:09: Se0/0 AAA/AUTHOR/IPCP: Reject 10.1.1.1, using 0.0.0.0 00:07:09: Se0/0 AAA/AUTHOR/IPCP: Done. Her address 10.1.1.1, we want 0.0.0.0 00:07:09: Se0/0 IPCP: O CONFACK [REQsent] id 1 len 10 00:07:09: Se0/0 IPCP: Address 10.10.10.1 (0x03060A0A0A01) 00:07:09: Se0/0 CDPCP: I CONFREQ [REQsent] id 1 len 4 00:07:09: Se0/0 CDPCP: O CONFACK [REQsent] id 1 len 4 00:07:09: Se0/0 IPCP: I CONFACK [ACKsent] id 1 len 10 00:07:09: Se0/0 IPCP: Address 10.10.10.2 (0x03060A0A0A02) 00:07:09: Se0/0 IPCP: State is Open 00:07:09: Se0/0 CDPCP: I CONFACK [ACKsent] id 1 len 4 00:07:09: Se0/0 CDPCP: State is Open 00:07:09: Se0/0 IPCP: Add link info for cef entry 10.1.1.1 00:07:09: Se0/0 IPCP: Install route to 10.1.1.1 00:07:10: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0, changed state to up NAS# 281 Copyright © 2008 Yap Chin Hoong yapchinhoong@hotmail.com
- Below shows the output of the PPP authentication debug messages for a failed unidirection PAP authentication (wrong username password statement configured on NAS) on Client and NAS: Client(config-if)#no shut Client(config-if)# 00:12:38: Se0/0 PPP: Phase is ESTABLISHING, Passive Open 00:12:38: Se0/0 LCP: State is Listen 00:12:38: Se0/0 LCP: State is Open 00:12:38: Se0/0 PPP: No authorization without authentication 00:12:38: Se0/0 PPP: Phase is AUTHENTICATING, by the peer 00:12:38: Se0/0 PAP: Using hostname from interface PAP 00:12:38: Se0/0 PAP: Using password from interface PAP 00:12:38: Se0/0 PAP: O AUTH-REQ id 40 len 17 from "Client" 00:12:39: Se0/0 PAP: I AUTH-NAK id 40 len 26 msg is "Authentication failed" 00:12:39: Se0/0 LCP: I TERMREQ [Open] id 134 len 4 00:12:39: Se0/0 LCP: O TERMACK [Open] id 134 len 4 00:12:39: Se0/0 PPP: Sending Acct Event[Down] id[29] 00:12:39: Se0/0 PPP: Phase is TERMINATING 00:12:41: Se0/0 LCP: TIMEout: State TERMsent 00:12:41: Se0/0 LCP: State is Closed 00:12:41: Se0/0 PPP: Phase is DOWN -------------------------------------------------- NAS# 00:12:30: Se0/0 PPP: Phase is ESTABLISHING, Passive Open 00:12:30: Se0/0 LCP: State is Listen 00:12:32: Se0/0 LCP: TIMEout: State Listen 00:12:32: Se0/0 PPP: Authorization required 00:12:32: Se0/0 LCP: State is Open 00:12:32: Se0/0 PPP: Phase is AUTHENTICATING, by this end 00:12:32: Se0/0 PAP: I AUTH-REQ id 40 len 17 from "Client" 00:12:32: Se0/0 PAP: Authenticating peer Client 00:12:32: Se0/0 PPP: Phase is FORWARDING, Attempting Forward 00:12:32: Se0/0 PPP: Phase is AUTHENTICATING, Unauthenticated User 00:12:32: Se0/0 PPP: Sent PAP LOGIN Request 00:12:32: Se0/0 PPP: Received LOGIN Response FAIL 00:12:32: Se0/0 PAP: O AUTH-NAK id 40 len 26 msg is "Authentication failed" 00:12:32: Se0/0 PPP: Sending Acct Event[Down] id[28] 00:12:32: Se0/0 PPP: Phase is TERMINATING 00:12:32: Se0/0 LCP: O TERMREQ [Open] id 134 len 4 00:12:33: Se0/0 LCP: I TERMACK [TERMsent] id 134 len 4 00:12:33: Se0/0 LCP: State is Closed 00:12:33: Se0/0 PPP: Phase is DOWN 282 Copyright © 2008 Yap Chin Hoong yapchinhoong@hotmail.com
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CCNA Complete Guide 2nd Edition Yap
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CCNA Complete Guide 2nd Edition Cop
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Upper Layers Lower Layers Applicati
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Cisco Hierarchical Model - Defined
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Header Length (4) Source Port (16)
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- Socket is a communication channel
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- The length of an IP address is 32
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- The following section discusses s
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- Below lists the 2 sublayers in th
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- Each switch port does not share t
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- Below lists the switch internal p
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Physical Layer - The physical layer
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- Another way to reduce emissions i
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Figure 3-7: Single-Mode and Multimo
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Wireless AP Switch Figure 3-8: 802.
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- Below lists the common IOS CLI er
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RT1#show running-config interface F
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- Cisco IOS treats a mistyped comma
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- Below describes the STP convergen
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- Refer back to Figure 5-1B, assume
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- A switch running RSTP only need 6
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Port Security Configuration - Port
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SW2# 00:25:00: STP: VLAN0001 new ro
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- Both protocols utilize a 12-bit V
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Layer 4 Switching (Content Switchin
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- VTP Pruning provides a way to pre
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VLAN Trunking Protocol Configuratio
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- VLAN information will not be prop
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- Private IP addresses are non-rout
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- Some materials calculate the numb
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Cisco Discovery Protocol (CDP) c250
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- CDP is enabled by default. The no
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Troubleshooting IP - Internet Contr
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- Firstly, PC1 purposely sends out
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- Below describes the operation of
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Maximum Hop Count Hop count metric
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- Invalid Timer specifies how long
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- Initial configuration on RT2: Rou
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- Static Routing configuration on R
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- RIPv1 and IGRP are classful routi
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- IGRP configuration on RT2: RT2(co
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MISC IP Routing Commands - The pass
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- OSPF uses a reliable protocol to
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- OSPF areas break up a network so
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- EIGRP uses the same formula as us
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- Autosummarization EIGRP supports
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- OSPF Single-Area configuration on
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- The show ip ospf database EXEC co
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OSPF Multiarea Configuration Area 1
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- Below lists the different termino
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- Verify the EIGRP configuration on
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- When a link to a neighbor fails,
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- Below shows the beauty of VLSM. B
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- RT1 and RT3 are summarizing route
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- RIPv1 and IGRP perform autosummar
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RT1#sh ip route Gateway of last res
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MTU and Fragmentation - Maximum Tra
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- Figure 17-1 shows the usage of CI
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- Static NAT performs one-to-one ma
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172.16.1.1 172.16.1.2 172.16.1.3 17
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- Below shows the IP NAT debugging
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- The access list indicates whether
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- Access Control List (ACL) is the
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- Below lists some other usages of
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- Standard IP Access Lists configur
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RT2#sh access-lists example01 Exten
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WAN Network RT1 CSU/DSU CSU/DSU RT2
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Remote Access Technologies - Remote
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Digital Subscriber Lines (DSL) - DS
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Point-to-Point Serial Links (Leased
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- Comparisons between synchronous a
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- PPP Encapsulation configuration o
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- The function of the username {rem
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- 3 LMI protocol options are availa
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- Comparisons between Frame Relay L
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RT1 RT2 RT3 Figure 23-7A: RT1 with
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- IETF Frame Relay encapsulation ty
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RT1 Frame Relay RT2 DLCI 101 Frame
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- The interface serialx.y point-to-
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- Frame Relay Multipoint Subinterfa
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- By operating in the 5GHz radio ba
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- Every packet from every access po
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Virtual Interface (mandatory) Servi
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Wireless Security - Organizations t
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Wireless Management - WLANs require
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Cisco Wireless LAN Configuration -
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- ISDN offers very fast call setup
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DDR Step 4: Determining when to ter
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- The show interfaces bri{num:0 | 1
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DDR Dialer Profiles Configuration -
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- Note: IP addresses are configured
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- Below show the routing tables on
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- The configuration above defines 2
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cisco Systems, Inc. 170 West Tasman
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Catalyst Switch IOS Upgrade Procedu
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Catalyst Switch IOS Upgrade Procedu
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Cisco Router Password Recovery Proc
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Catalyst Switch Password Recovery P
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Switch> Switch>en Switch#rename con
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- The 3 possible Frame Relay PVC st
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Constructing a Compound Frame Relay
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8. Once the frame is completed, it
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Page 249 and 250: - Q: How does a client application
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Page 287 and 288: - Below configure the username and
Page 289 and 290: IEEE 802.11 Standards and Specifica
Page 291 and 292: - Figure A6-20 shows the frame form
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Page 305 and 306: - The authentication pre-share ISAK
Page 307 and 308: Troubleshooting ISDN E1/T1 Physical
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