step-by-step ppp

[Alex Papadopoulos]

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On Thursday 30 May 2002 05:08, Steve Stavropoulos wrote:
> On Thu, 30 May 2002, Alex Papadopoulos wrote:
> > Edw kai arketo kairo kanw prospa8eies na kanw dialup se ena ISDN
> > modem pou exoume sth douleia. To problhma einai oti enw fainomenika
> > syndeomai kai pairnw IP (remote kai local gia to ppp0), den yparxei
> > IP connectivity. Telnet/ping/traceroute den paizoun.
>
>  route -n
>
>  Kata 99.9% aplws den exeis pei sto ppp sou na kanei default route
> thn kainourgia sou syndesh.

dystyxws to exw pei me to option defaultroute sto /etc/ppp/options

Idou kai to output tou route -n prin kai meta to dialup:

[root at helios alex]# /sbin/route -n
Kernel IP routing table
Destination Gateway  Genmask      Flags Metric Ref Use Iface 
192.168.1.0  0.0.0.0  255.255.255.0   U     0      0        0 eth0
127.0.0.0    0.0.0.0  255.0.0.0       U     0      0        0 lo

[root at helios alex]# /sbin/route -n
Kernel IP routing table
Destination   Gateway   Genmask   Flags Metric Ref    Use Iface
192.168.1.1     0.0.0.0     255.255.255.255 UH    0      0        0 ppp0
192.168.1.0     0.0.0.0     255.255.255.0   U     0      0        0 eth0
127.0.0.0       0.0.0.0      255.0.0.0       U     0      0        0 lo
0.0.0.0       192.168.1.1  0.0.0.0         UG    0      0        0 eth0

Entwmetaksy me tcpdump eblepa ta ekshs:

[root at helios alex]# /usr/sbin/tcpdump -i ppp0
tcpdump: listening on ppp0
05:29:53.142116 192.168.1.1.router > 255.255.255.255.router:  RIPv2-resp 
[items 3]: {0.0.0.0}(2) {192.168.15.0/255.255.255.0}(2) 
{192.168.1.0/255.255.255.0}(1) [ttl 1]

05:30:21.942116 192.168.1.1.router > 255.255.255.255.router:  RIPv2-resp 
[items 3]: {0.0.0.0}(2) {192.168.15.0/255.255.255.0}(2) 
{192.168.1.0/255.255.255.0}(1) [ttl 1]

05:30:50.742116 192.168.1.1.router > 255.255.255.255.router:  RIPv2-resp 
[items 3]: {0.0.0.0}(2) {192.168.15.0/255.255.255.0}(2) 
{192.168.1.0/255.255.255.0}(1) [ttl 1]

05:31:19.542116 192.168.1.1.router > 255.255.255.255.router:  RIPv2-resp 
[items 3]: {0.0.0.0}(2) {192.168.15.0/255.255.255.0}(2) 
{192.168.1.0/255.255.255.0}(1) [ttl 1]

05:31:48.342116 192.168.1.1.router > 255.255.255.255.router:  RIPv2-resp 
[items 3]: {0.0.0.0}(2) {192.168.15.0/255.255.255.0}(2) 
{192.168.1.0/255.255.255.0}(1) [ttl 1]

05:32:17.142116 192.168.1.1.router > 255.255.255.255.router:  RIPv2-resp 
[items 3]: {0.0.0.0}(2) {192.168.15.0/255.255.255.0}(2) 
{192.168.1.0/255.255.255.0}(1) [ttl 1]

tcpdump: pcap_loop: recvfrom: Network is down


Opoios katalabainei ti mporei na ftaiei as riksei idea...

Eyxaristw

- -A
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