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Hi all,

 

Due to limited slot or port, I dont have extra serial or ethernet to connect between BB1 to BB3.  According the doc, I can connect between AUX port which I have no clue how to do that.

 

Can anyone tell me what kind of command I need at AUX port and what kind of RJ 45 cable (cross over, straight)??

 

Thanks millions

 

Requiem

http://www.cisco.com/en/US/tech/tk801/tk36/technologies_configuration_example09186a0080093c7b.shtml

For the cable just use a standard console cable (rolled cable).

Brian Dennis, CCIEx5 #2210 (R&S/ISP-Dial/Security/SP/Voice)
bdennis@internetworkexpert.com

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Thanks so much Brain.  Really Appreicated

have you luck with dynamic routing? I haven't, hence all is done according to provided link.

The best what I'm able to do is to setup GRE sourcing Asyncs, otherwise routing protocols not work.

Any thoughts?

You can use GRE if your aux port routing doesn't work directly, but it should.  Post your config and "show line" output from both sides if you have issues.


NTllect wrote:

Any thoughts?

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Hi Brian, thank you for the reply.

BB1(config-line)#do sh run

interface Async1
 ip address 192.168.10.2 255.255.255.0
 encapsulation ppp
 async dynamic routing
 async mode dedicated

line aux 0
 modem InOut
 transport input all
 flowcontrol hardware

BB1(config-router)#do sh line
   Tty Line Typ     Tx/Rx    A Modem  Roty AccO AccI  Uses  Noise Overruns  Int
*    0    0 CTY              -    -      -    -    -     0      0    0/0      -
A    1    1 AUX   9600/9600  - inout     -    -    -     2     29    0/433680   -
   322  322 VTY              -    -      -    -    -     0      0    0/0      -
   323  323 VTY              -    -      -    -    -     0      0    0/0      -
   324  324 VTY              -    -      -    -    -     0      0    0/0      -
   325  325 VTY              -    -      -    -    -     0      0    0/0      -
   326  326 VTY              -    -      -    -    -     0      0    0/0      -

Line(s) not in async mode -or- with no hardware support:
2-321

BB3(config-line)#do sh run

interface Async1
 ip address 192.168.10.1 255.255.255.0
 encapsulation ppp
 async dynamic routing
 async mode dedicated

line aux 0
 modem InOut
 transport input all
 flowcontrol hardware

BB3(config-router)#do sh line
   Tty Line Typ     Tx/Rx    A Modem  Roty AccO AccI  Uses  Noise Overruns  Int
*    0    0 CTY              -    -      -    -    -     0      0    0/0      -
A    1    1 AUX   9600/9600  - inout     -    -    -     2      0    0/426870   -
   322  322 VTY              -    -      -    -    -     0      0    0/0      -
   323  323 VTY              -    -      -    -    -     0      0    0/0      -
   324  324 VTY              -    -      -    -    -     0      0    0/0      -
   325  325 VTY              -    -      -    -    -     0      0    0/0      -
   326  326 VTY              -    -      -    -    -     0      0    0/0      -

Line(s) not in async mode -or- with no hardware support:
2-321

 

The only difference with configuration on cisco.com is that I can't setup 'rxspeed 38400' and 'txspeed 38400' , my routers simply discard it

BB1(config-line)#  rxspeed 38400
Failed to change line 1's speed
BB1(config-line)#  txspeed 38400
Failed to change line 1's speed

The only protocol was working using pure Asyncs is BGP, due to the client-server model. I actually tryed all IGPs, including manipulation with multicast/unicast nature, and changing OSPF network types, and no one has worked for me. Specific routing protocols debugs shows nothing - like there are no packets at all. CDP works well

BB3(config-if)#do sh cdp ne
Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge
                  S - Switch, H - Host, I - IGMP, r - Repeater

Device ID        Local Intrfce     Holdtme    Capability  Platform  Port ID
BB1              Async1             178        R T S I    2811      Async1

 

so far so good, it is supposed to be a documentation bug, just another.

From the link Brian Dennis posted :

"

async dynamic routing
 
!--- This allows routing protocols on the link.

"

From the master index for 12.4:

async dynamic routing

To enable manually configured routing on an asynchronous interface, use the async dynamic routing command in interface configuration mode.

We can observe that in the link Brian Dennis posted they have default route configured.

To enable interface participation in dynamic routing protocols we should be aware of:

async default routing

---

Note Beginning in Cisco IOS Release 12.3(11)T, the async default routing command is replaced by the routing dynamic command. See the routing dynamic command for more information.

---

To enable the router to pass routing updates to other routers over an asynchronous interface, use the async default routing command in interface configuration mode.

After I was directed to this by colleague I setup my IGPs without problem. Nice issue, by the way.