I am using AS5300 with 4 PRIs for incoming dialup connection. My normal
dialup connections through PSTN lines are working fine. But when we dial
using ISDN bri channel, the connection gets established but it do not
passes the traffic. The PC gets the IP assigned but could not ping even
to the RAS. When we dial to other brand servers from the same PC and
ISDN line, it works normally.
Here is configuration of Serial interface for reference.
interface Serial0:15
ip unnumbered FastEthernet0
no ip directed-broadcast
encapsulation ppp
dialer idle-timeout 3600
isdn switch-type primary-net5
isdn incoming-voice modem
peer default ip address pool ippool
fair-queue 64 256 0
no cdp enable
ppp authentication pap
!
Look at the second route entry, showing the connected isdn bri to serial
0:15
(ISDN PRI D channel).
I tried pinging to the customer address but no success.
Routing table of the windows NT client is also attached which also shows
that it has accepted
the IP address assigned by the AS5300.
Pls note that both attached routing tables are created dynamically by
the systems
(AS5300 & Win NT).
AS5300#sh ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * - candidate
default
U - per-user static route, o - ODR, P - periodic downloaded
static route
T - traffic engineered route
Gateway of last resort is x.98.14.1 to network 0.0.0.0
x.0.0.0/8 is variably subnetted, 15 subnets, 2 masks
C x.98.14.80/32 is directly connected, Async21
C x.98.14.86/32 is directly connected, Serial0:15
C x.98.14.65/32 is directly connected, Async23
C x.98.14.74/32 is directly connected, Async11
C x.98.14.115/32 is directly connected, Async98
C x.98.14.117/32 is directly connected, Async51
C x.98.14.122/32 is directly connected, Async59
C x.98.14.120/32 is directly connected, Async114
C x.98.14.0/24 is directly connected, FastEthernet0
C x.98.14.35/32 is directly connected, Async88
C x.98.14.33/32 is directly connected, Async10
C x.98.14.37/32 is directly connected, Async70
C x.98.14.242/32 is directly connected, Async9
C x.98.14.241/32 is directly connected, Async35
C x.98.14.138/32 is directly connected, Async52
C y.168.50.0/24 is directly connected, FastEthernet0
S* 0.0.0.0/0 [1/0] via x.98.14.1
AS5300#ping x.98.14.86
Routing table for Windows NT system, dialing through isdn bri to 5300.
Note that the system has accepted the IP address and the address has
become the default route for the outbound traffic.
===========================================================================
Interface List
0x1 ........................... MS TCP Loopback interface
0x2 ...00 00 00 00 00 00 ...... NdisWan Adapter
0x3 ...00 00 00 00 00 00 ...... NdisWan Adapter
0x4 ...00 01 70 b3 5f 85 ...... NdisWan Adapter
0x5 ...00 c0 f0 28 ad d9 ...... Realtek RTL8029(AS) Ethernet Adapt
0x6 ...00 e0 4c 39 03 b9 ...... Realtek RTL8139 PCI Fast Ethernet
Adapter driver(4.0)
0x7 ...00 00 00 00 00 00 ...... NdisWan Adapter
0x8 ...00 00 00 00 00 00 ...... NdisWan Adapter
===========================================================================
===========================================================================
Active Routes:
Network Destination Netmask Gateway Interface
Metric
0.0.0.0 0.0.0.0 x.98.14.86 x.98.14.86
1
x.0.0.0 255.0.0.0 x.98.14.86 x.98.14.86 1
x.98.14.86 255.255.255.255 127.0.0.1 127.0.0.1
1
x.255.255.255 255.255.255.255 x.98.14.86 x.98.14.86 1
127.0.0.0 255.0.0.0 127.0.0.1
127.0.0.1 1
150.107.0.0 255.255.0.0 150.107.1.253
150.107.1.253 2
150.107.1.253 255.255.255.255 127.0.0.1
127.0.0.1 1
150.107.255.255 255.255.255.255 150.107.1.253
150.107.1.253 1
172.16.0.0 255.255.0.0 172.16.1.253
172.16.1.253 2
172.16.1.253 255.255.255.255 127.0.0.1
127.0.0.1 1
172.16.255.255 255.255.255.255 172.16.1.253
172.16.1.253 1
224.0.0.0 224.0.0.0 x.98.14.86 x.98.14.86
1
224.0.0.0 224.0.0.0 150.107.1.253 150.107.1.253
1
224.0.0.0 224.0.0.0 172.16.1.253 172.16.1.253
1
255.255.255.255 255.255.255.255 172.16.1.253
2 1
===========================================================================
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