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Reyad Safi
Beginner

bba-group pppoe global problem

hello experts , i need your help

i configured the bba-group pppoe on 3845 router .

it's working , and the user can connect to the router , but only 100 concurrent user can connect , any extra users rather than the 100 they get the error 678 .

any idea to solve this problem please

Regards

Reyad

5 REPLIES 5
Peter Paluch
Hall of Fame Cisco Employee

Hello Reyad,

Although there should be no limit on the maximum count of concurrent sessions configured, you may want to configure an explicit upper limit using the command sessions max limit 200 in your bba-group pppoe global configuration.

If this does not help, I suggest running the show idb command when the maximum number of PPPoE sessions is reached, and verifying whether the maximum number of IDBs (a data structure created for each interface - each platform has a different limit on their count) has been reached as well - observe the first line in the output of this command.

Let us know please about your findings.

Best regards,

Peter

Hello Peter , and thank you for your reply

i already configure the max sessions to 1400 , and the shi idb is

NDC_MAIN#show idb

Maximum number of Software IDBs 1400.  In use 121.

                       HWIDBs     SWIDBs
Active                    110        112
Inactive                    9          9
Total IDBs                119        121
Size each (bytes)        2936       1288
Total bytes            349384     155848

Type SIdx Idx  St,O,Sh Interface Name (subblocks)
---------------------------------------------------

the connected users now is 85

Peter Paluch
Hall of Fame Cisco Employee

Reyad,

I would the sugest using the following debug commands:

debug pppoe errors

debug pppoe events

and verifying what happens in the moments of congestion.

Best regards,

Peter

thank you peter your your interest

the problem sloved , the command sessions per-vlan limit 1400 was missing within the bba-group pppoe global configuration

thank you

Peter Paluch
Hall of Fame Cisco Employee

Hello Reyad,

Thank you for sharing the solution with us!

Best regards,

Peter