Wait, you did say DHCP snooping was on, so is the interface connecting to the 
DHCP server (R6) a trusted port?

Thank you,
 
Steve E. Di Bias
Network Engineer - Information Systems
Valley Health System - Las Vegas
Office - 702- 369-7594
Cell - 702-241-1801
[email protected]


-----Original Message-----
From: Di Bias, Steve 
Sent: Saturday, August 06, 2011 10:39 PM
To: 'Cedric King'; [email protected]
Subject: RE: [OSL | CCIE_RS] L1v3task 2-4

Cedric, I just labbed this up and everything is working great. Are the two 
interfaces on R6 and R7 in the same VLAN? Also I noticed that your bba-group 
has an incorrect configuration:

You have 

bba-group pppoe group global
interface virtual-temp 1

But the "interface" is incorrect and should actually be

bba-group pppoe group global
virtual-temp 1

Here are my configs with show commands:

R6 (config)

interface Virtual-Template1
ip address 141.41.67.6 255.255.255.0
ip mtu 1492

ip dhcp excluded-address 141.41.67.6
ip dhcp pool PPPoE
network 141.41.67.0 /24

interface FastEthernet0/0
no ip address
duplex auto
speed auto
pppoe enable group CCIE

bba-group pppoe CCIE
virtual-template 1


Now we'll configure the dialer pool, interface, and tie it back to F0/0

R7 (config)

interface Dialer1
encap ppp
ip mtu 1492
ip address dhcp
dialer pool 1

interface FastEthernet0/0
no ip address
duplex auto
speed auto
pppoe enable
pppoe-client dial-pool-number 1

R7(config-if)#do sh ip int br dialer1
Interface IP-Address OK? Method Status Protocol
Dialer1 141.41.67.1 YES DHCP up up

R7(config-if)#do p 141.41.67.6
Sending 5, 100-byte ICMP Echos to 141.41.67.6, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 4/4/4 ms

Now over on the otherside let's verify the PPPoE session and DHCP binding table

R6(config-if)#do sh pppoe sess all
Total PPPoE sessions 1

session id: 17
local MAC address: e804.6224.d2a8, remote MAC address: 0017.5a06.a314
virtual access interface: Vi2.1, outgoing interface: Fa0/0
66 packets sent, 65 received
2072 bytes sent, 2502 received

Looks good, what about the DHCP binding table

R6(config-if)#do sh ip dhcp bind
Bindings from all pools not associated with VRF:
IP address Client-ID/ Lease expiration Type
Hardware address/
User name
141.41.67.1 0063.6973.636f.2d30. Jul 27 2011 10:41 PM Automatic
3031.372e.3561.3036.
2e61.3331.342d.4469.

Thank you,
 
Steve E. Di Bias
Network Engineer - Information Systems
Valley Health System - Las Vegas
Office - 702- 369-7594
Cell - 702-241-1801
[email protected]

-----Original Message-----
From: [email protected] 
[mailto:[email protected]] On Behalf Of Cedric King
Sent: Saturday, August 06, 2011 8:19 PM
To: [email protected]
Subject: [OSL | CCIE_RS] L1v3task 2-4

I've been working on Task 2-4 Lab 1 workbook 3 for about two hours now and can 
not get the pppoe to come up between R6 - 7.. I have the following config a 
applied:

r6
------

bba-group pppoe group global
interface virtual-temp 1

int virtual-temp 1
encap ppp
ip addr x.x.67.6 255.255.255.0
ip mtu 1492


ip dhcp exclude-addr x.x.67.1   x.x.67.6
ip dhcp exclude-addr x.x.67.8  x.x.67.255

ip dhcp pool R67
network x.x.67.0 /24

int fa0/0
no ip addr
pppoe enable group global

R7
----

int fa0/0
no ip addr
pppoe-client dial-pool-number  1


int dialer 1
encap ppp
ip mtu 1492
ip addr dhcp
dialer pool 1


I've been through the solution guide and i've watched the video work book and 
have followed each step.. and its not working.. I've verified the physical set 
up of my devices and they are correct...  Then I applied this setup to 
different devices in the lab and they worked.. they only thing different is 
dhcp snooping in enable in clan 67... 

If this is the cause. and I'm not saying it is... was this missed on purpose ? 
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