Nope that isn't it s0 on 2511 is connected to a 1601 called gazdav to its s0
they both have ppp encaps. However 2511 s1 is connected to a 2501 and they
both have encaps hdlc.

Weirder still both interfaces show up up ...Hmmm


Thanx anyways




""news.groupstudy.com""  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Hi there,
>
>  1) You misconfigured the IP on 2511's S1 interface.
>  2) 2511's S1 is missing an "enc ppp" command.
>
> Regards,
> Gary
>
> ""Gaz""  wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Should be a very simple one this don't know what I'm doing wrong. Why
> can't
> > I ping my own interface or the remote end. Back to back serial cable
> >
> > Here is the config of router gazdav attatched via s0 to S1 of router
2511.
> >
> > gazdav#sh ru
> > Building configuration...
> >
> > Current configuration:
> > !
> > version 12.0
> > service timestamps debug datetime msec
> > service timestamps log uptime
> > service password-encryption
> > !
> > hostname gazdav
> > !
> > enable secret 5 $1$FgI.$bygzIO/R77k37T.qfBWhH.
> > !
> > username gazdav password 7 xxxxxxxx
> > username pinger password 7 xxxxxxx
> > username ping privilege 5 password 7 xxxxxxx!
> > !
> > !
> > !
> > ip subnet-zero
> > no ip finger
> > no ip domain-lookup
> > !
> > isdn switch-type basic-net3
> > isdn voice-call-failure 0
> > !
> > !
> > !
> > interface Ethernet0
> >  ip address 10.10.1.1 255.255.255.0
> >  no ip directed-broadcast
> >  ip nat inside
> >  no ip route-cache
> >  no ip mroute-cache
> > !
> > interface Serial0
> >  ip address 172.16.10.6 255.255.255.252
> >  no ip directed-broadcast
> >  encapsulation ppp
> > !
> > interface BRI0
> >  bandwidth 64
> >  ip address negotiated
> >  no ip directed-broadcast
> >  ip nat outside
> >  encapsulation ppp
> >  no ip route-cache
> >  no ip mroute-cache
> >  no keepalive
> >  dialer idle-timeout 150
> >  dialer string 08089933000
> >  dialer-group 2
> >  isdn switch-type basic-net3
> >  ppp authentication chap callin
> >  ppp chap hostname gazdav
> >  ppp chap password 7 xxxxxx
> > !
> > router ospf 101
> >  network 10.10.1.0 0.0.0.255 area 0
> >  network 172.16.10.4 0.0.0.0 area 0
> > !
> > ip nat inside source list 100 interface BRI0 overload
> > ip classless
> > no ip http server
> > !
> > logging 10.10.1.2
> > access-list 1 permit 10.10.1.2
> > access-list 100 permit ip 10.10.1.0 0.0.0.255 any
> > access-list 101 deny   udp any any eq snmp
> > access-list 101 deny   udp any any eq ntp
> > access-list 101 permit ip any any
> > access-list 110 deny   udp 10.10.1.0 0.0.0.255 eq netbios-ns any log
> > dialer-list 1 protocol ip list 110
> > dialer-list 2 protocol ip permit
> > snmp-server engineID local 00000009020000605CBC2B55
> > snmp-server community public RW
> > !
> > line con 0
> >  exec-timeout 0 0
> >  transport input none
> > line vty 0
> >  exec-timeout 0 0
> >  privilege level 5
> >  password 7 xxxxxxx
> >  no login
> >  length 25
> >  transport input telnet
> > line vty 1 4
> >  exec-timeout 0 0
> >  privilege level 5
> >  password 7 xxxxxxx
> >  no login
> >  transport input telnet
> > !
> > end
> >
> >
> > And here is the config of the router at the other end.
> >
> > 2511#sh ru
> > Building configuration...
> >
> > Current configuration : 968 bytes
> > !
> > version 12.2
> > service timestamps debug uptime
> > service timestamps log uptime
> > no service password-encryption
> > service udp-small-servers
> > service tcp-small-servers
> > !
> > hostname 2511
> > !
> > enable secret 5 $1$aJT7$r0fZD.akp8IAaWZEYJuxD1
> > !
> > ip subnet-zero
> > no ip domain-lookup
> > !
> > ip ssh time-out 120
> > ip ssh authentication-retries 3
> > !
> > !
> > !
> > !
> > interface Ethernet0
> >  ip address 10.10.1.10 255.255.255.0
> >  no ip route-cache
> >  no ip mroute-cache
> >  shutdown
> > !
> > interface Serial0
> >  ip address 172.16.10.5 255.255.255.252
> >  encapsulation ppp
> >  no ip route-cache
> >  no ip mroute-cache
> >  no fair-queue
> >  clockrate 64000
> > !
> > interface Serial1
> >  ip address 172.16.20.5 255.255.255.252
> >  no ip route-cache
> >  no ip mroute-cache
> >  clockrate 64000
> > !
> > router ospf 100
> >  log-adjacency-changes
> >  network 172.16.10.4 0.0.0.0 area 0
> >  network 172.16.20.4 0.0.0.0 area 0
> > !
> > ip classless
> > no ip http server
> > !
> > !
> > line con 0
> >  exec-timeout 0 0
> > line 1 16
> >  transport input all
> > line aux 0
> >  transport input all
> > line vty 0 4
> >  no login
> > !




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