Здравствуйте!
Почему-то циска 3660 с NM-8A/S игнорирует peer default ip address в настройках интерфейса (PPP). Мало того, радостно принимает любой peer ip от клиента, и назначает его своему интерфейсу. Т.е. если клиент указывает в настройках ppp какой-то отфанарный локальный ip-адрес, то циска плюет на свои настройки (peer default ip address) и принимает этот ip в качестве remote. Сам ppp поднимается, только адрес не такой какой надо...
Никто не сталкивался с такой проблемой? не знаете, какими настройками это решается?
Рядышком стоит 2511, с почти такими-же настройками на ее Async все работает нормально.
Вот кусок конфига 3660:
aaa authorization network ppp_dedicated none
!
interface Loopback0
ip address 192.168.0.254 255.255.255.255
!
interface Serial2/4
physical-layer async
description TEST (Zelax M-115.A)
ip unnumbered Loopback0
ip access-group 199 in
encapsulation ppp
no ip route-cache
no ip mroute-cache
no logging event link-status
keepalive 20
async mode dedicated
peer default ip address 192.168.0.1
no fair-queue
pulse-time 1
ppp authorization ppp_dedicated
!
line 69
exec-timeout 0 10
modem InOut
autocommand ppp negotiate
length 25
transport input all
escape-character NONE
stopbits 1
speed 115200
!
например, клиент выставил локальный ip - 10.0.0.1. вот что говорит циска:
debug ppp negotiation
May 20 13:11:25.517: Se2/4 PPP: Phase is ESTABLISHING, Active Open [0 sess, 0 load]
May 20 13:11:25.517: Se2/4 LCP: O CONFREQ [Closed] id 168 len 20
May 20 13:11:25.517: Se2/4 LCP: ACCM 0x000A0000 (0x0206000A0000)
May 20 13:11:25.517: Se2/4 LCP: MagicNumber 0x7ABC0543 (0x05067ABC0543)
May 20 13:11:25.517: Se2/4 LCP: PFC (0x0702)
May 20 13:11:25.517: Se2/4 LCP: ACFC (0x0802)
May 20 13:11:25.517: Se2/4 LCP: O CONFACK [REQsent] id 1 len 14
May 20 13:11:25.517: Se2/4 LCP: MagicNumber 0xD71F939A (0x0506D71F939A)
May 20 13:11:25.517: Se2/4 LCP: PFC (0x0702)
May 20 13:11:25.517: Se2/4 LCP: ACFC (0x0802)
May 20 13:11:25.529: Se2/4 LCP: I CONFACK [ACKsent] id 168 len 20
May 20 13:11:25.529: Se2/4 LCP: ACCM 0x000A0000 (0x0206000A0000)
May 20 13:11:25.529: Se2/4 LCP: MagicNumber 0x7ABC0543 (0x05067ABC0543)
May 20 13:11:25.529: Se2/4 LCP: PFC (0x0702)
May 20 13:11:25.529: Se2/4 LCP: ACFC (0x0802)
May 20 13:11:25.529: Se2/4 LCP: State is Open
May 20 13:11:25.529: Se2/4 PPP: Phase is UP [0 sess, 0 load]
May 20 13:11:25.529: Se2/4 IPCP: O CONFREQ [Closed] id 3 len 10
May 20 13:11:25.529: Se2/4 IPCP: Address 192.168.0.254 (0x0306000000)
May 20 13:11:25.529: Se2/4 IPCP: I CONFREQ [REQsent] id 1 len 16
May 20 13:11:25.529: Se2/4 IPCP: Address 10.0.0.1 (0x0306000000)
May 20 13:11:25.529: Se2/4 IPCP: CompressType VJ 15 slots CompressSlotID (0x0206002D0F01)
May 20 13:11:25.529: Se2/4 AAA/AUTHOR/IPCP: Start. Her address 10.0.0.1, we want 192.168.0.1
May 20 13:11:25.529: Se2/4 AAA/AUTHOR/IPCP: Done. Her address 10.0.0.1, we want 10.0.0.1
May 20 13:11:25.529: Se2/4 IPCP: O CONFREJ [REQsent] id 1 len 10
May 20 13:11:25.529: Se2/4 IPCP: CompressType VJ 15 slots CompressSlotID (0x0206002D0F01)
May 20 13:11:25.533: Se2/4 CCP: I CONFREQ [Not negotiated] id 1 len 15
May 20 13:11:25.533: Se2/4 CCP: Deflate 0x7800 (0x1A047800)
May 20 13:11:25.533: Se2/4 CCP: MVRCA 0x7800 (0x18047800)
May 20 13:11:25.533: Se2/4 CCP: BSDLZW 47 (0x15032F)
May 20 13:11:25.533: Se2/4 LCP: O PROTREJ [Open] id 169 len 21 protocol CCP
May 20 13:11:25.533: Se2/4 LCP: (0x80FD0101000F1A047800180478001503)
May 20 13:11:25.533: Se2/4 LCP: (0x2F)
May 20 13:11:25.533: Se2/4 IPCP: I CONFACK [REQsent] id 3 len 10
May 20 13:11:25.533: Se2/4 IPCP: Address 192.168.0.254 (0x0306000000)
May 20 13:11:25.537: Se2/4 IPCP: I CONFREQ [ACKrcvd] id 2 len 10
May 20 13:11:25.537: Se2/4 IPCP: Address 10.0.0.1 (0x0306000000)
May 20 13:11:25.537: Se2/4 AAA/AUTHOR/IPCP: Start. Her address 10.0.0.1, we want 10.0.0.1
May 20 13:11:25.537: Se2/4 AAA/AUTHOR/IPCP: Done. Her address 10.0.0.1, we want 10.0.0.1
May 20 13:11:25.537: Se2/4 IPCP: O CONFACK [ACKrcvd] id 2 len 10
May 20 13:11:25.537: Se2/4 IPCP: Address 10.0.0.1 (0x0306000000)
May 20 13:11:25.537: Se2/4 IPCP: State is Open
После установки связи:
sh ip int serial2/4
Serial2/4 is up, line protocol is up
Interface is unnumbered. Using address of Loopback0 (192.168.0.254)
Broadcast address is 255.255.255.255
Peer address is 10.0.0.1
Если убрать из настроек строчку ppp authorization ppp_dedicated, то в этом случае ppp подниматься не хочет, authorization fail говорит.
sh ver
Cisco Internetwork Operating System Software
IOS (tm) 3600 Software (C3660-JS-M), Version 12.2(6h), RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2002 by cisco Systems, Inc.
Compiled Mon 26-Aug-02 20:55 by kellythw
Image text-base: 0x600089C0, data-base: 0x61560000
sh diag
Slot 2:
Sync/Async Port adapter, 8 ports
Port adapter is analyzed
Port adapter insertion time unknown
EEPROM contents at hardware discovery:
Hardware revision 1.0 Board revision C0
Serial number 26675999 Part number 800-01225-03
Test history 0x0 RMA number 00-00-00
EEPROM format version 1
EEPROM contents (hex):
0x20: 01 25 01 00 01 97 0B 1F 50 04 C9 03 00 00 00 00
0x30: 60 77 7A 00 01 11 06 17 FF FF FF FF FF FF FF FF