I finally got it through my thick head that it was a *bridged* connection,
and set up IRB.
Sure enough, I was then able to ping the next hop address with packets
sourced from the public IP I was given. However, I seem to be unable to
hit anything outside that particular subnet, and I'm not sure why. If I
try and ping www.yahoo.com, for instance, I get no response. This is true
if I ping from the internal network (and thus NAT) or if I ping sourced
from the BVI interface (avoiding NAT).
It all works fine if I use the external ADSL bridge. Ideas?
Relevant config:
!
!
bridge irb
!
!
!
!
interface ATM0/0
mtu 1500
no ip address
atm vc-per-vp 256
no atm auto-configuration
no atm ilmi-keepalive
bundle-enable
dsl operating-mode auto
!
interface ATM0/0.1 point-to-point
pvc valuenet 0/35
encapsulation aal5snap
!
bridge-group 1
!
interface FastEthernet0/0
description Internal Network
ip address 192.168.10.1 255.255.255.0
ip nat inside
speed 100
full-duplex
!
interface BVI1
ip address 216.162.122.26 255.255.255.248
ip nat outside
!
ip nat inside source list 152 interface BVI1 overload
!
ip classless
ip route 0.0.0.0 0.0.0.0 BVI1
!
access-list 152 permit ip 192.168.10.0 0.0.0.255 any
!
bridge 1 protocol ieee
bridge 1 route ip
ATM0/0 is up, line protocol is up
Hardware is DSLSAR (with Alcatel ADSL Module)
MTU 1500 bytes, sub MTU 1500, BW 160 Kbit, DLY 12800 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ATM, loopback not set
Encapsulation(s): AAL5 AAL2, PVC mode
23 maximum active VCs, 256 VCs per VP, 1 current VCCs
VC idle disconnect time: 300 seconds
Last input 00:05:08, output 00:00:01, output hang never
Last clearing of "show interface" counters 00:07:49
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: None
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
10 packets input, 1102 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
291 packets output, 14241 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
ATM0/0.1 is up, line protocol is up
Hardware is DSLSAR (with Alcatel ADSL Module)
MTU 1500 bytes, BW 160 Kbit, DLY 12800 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ATM
5 packets input, 586 bytes
277 packets output,13639 bytes
0 OAM cells input, 0 OAM cells output
BVI1 is up, line protocol is up
Hardware is BVI, address is 0000.0cfa.4c54 (bia 0000.0000.0000)
Internet address is 216.162.122.26/29
MTU 1500 bytes, BW 10000 Kbit, DLY 5000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
ARP type: ARPA, ARP Timeout 04:00:00
Last input never, output never, output hang never
Last clearing of "show interface" counters never
Queueing strategy: fifo
Output queue 0/0, 0 drops; input queue 0/75, 0 drops
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
136 packets output, 8592 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=23535&t=23535
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