I'm setting up a VDSL/ADSL2+ DSLAM in test lab. I'm using a Cisco877 to test out the intial config. The 877 can connect and sync however it cant ping any devices on the DLSAM network .The CISCO877 is configured to use NAT and i think NAT is the issue here. Its has been sometime since i configured NAT and i'm sure it is something relativility simple.
DSLAM network is 10.3.1.x
CISCO877 Internal network 192.168.99.x
Config of the CISCO877
version 12.4 no service pad service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname Router ! boot-start-marker boot-end-marker ! logging message-counter syslog ! no aaa new-model ! ! dot11 syslog ip source-route ! ! ip cef ip domain name comtek.co.uk ! ! ! ! ! ! ! archive log config hidekeys ! ! ! bridge irb ! ! interface ATM0 no ip address no ip redirects no ip unreachables no ip proxy-arp no atm ilmi-keepalive dsl enable-training-log ! interface ATM0.1 point-to-point description DSL Link ip virtual-reassembly atm route-bridged ip pvc 8/35 encapsulation aal5snap ! bridge-group 1 ! interface FastEthernet0 ! interface FastEthernet1 ! interface FastEthernet2 ! interface FastEthernet3 ! interface Vlan1 ip address 192.168.99.1 255.255.255.0 ip nat inside ip virtual-reassembly ! interface BVI1 ip address 10.3.1.12 255.255.255.0 ip nat outside ip virtual-reassembly ! no ip forward-protocol nd ip route 0.0.0.0 0.0.0.0 10.3.1.1 no ip http server no ip http secure-server ! ip nat inside source list 101 interface BVI1 overload ! access-list 101 permit ip 192.168.99.0 0.0.0.255 any ! ! ! ! control-plane ! bridge 1 protocol ieee bridge 1 route ip ! line con 0 no modem enable line aux 0 line vty 0 4 login ! scheduler max-task-time 5000 end
Router#sh arp Protocol Address Age (min) Hardware Addr Type Interface Internet 10.3.1.1 0 0018.19f3.f3e2 ARPA BVI1 Internet 10.3.1.12 - 0000.0caa.8871 ARPA BVI1 Internet 10.3.1.217 1 0024.d7e8.8624 ARPA BVI1 Internet 10.3.1.250 2 0000.39a9.4fc6 ARPA BVI1 Internet 192.168.99.1 - 001c.b1ec.0c62 ARPA Vlan1 Router#ping 10.3.1.1
Sending 5, 100-byte ICMP Echos to 10.3.1.1, timeout is 2 seconds:
Success rate is 0 percent (0/5)Sending 5, 100-byte ICMP Echos to 10.3.1.1, timeout is 2 seconds: ..... Success rate is 0 percent (0/5)
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