Just a guess, since they are also async ports they may be restricted to 128k
This happened to me in the lab, had clockrate 4000000 configured and it
didn't work.
Started to step the clockrate down until - boom - it worked at 128000.
I'm not familiar with the sync/async ports but give it a quick try.........
Kevin Wigle
----- Original Message -----
From: "Mark Rose"
To:
Sent: Thursday, 24 May, 2001 22:13
Subject: Connecting Serial Interfaces [7:5838]
> I am trying to set up a serial link between a 2514 and a 2522. I am using
> the sync/async ports on the 2522. I cannot get the interface to stay up .
It
> works for a few seconds & then too many errors take down the link.
>
> I used the physical-layer sync command on the serial ports of the 2522.
This
> does not help. I know that I have missed a command to set up the
sync/async
> interface, but cannot figure what it is.
>
> Advise is needed
> TIA
> Mark
>
> Configs below:
>
> 2522
> North#sh run
> Building configuration...
>
> Current configuration:
> !
> version 11.2
> service password-encryption
> no service udp-small-servers
> no service tcp-small-servers
> !
> hostname North
> !
> enable secret 5 $1$F2gJ$LGaIm7rXo0n4KiMKZOSX21
> !
> !
> interface Ethernet0
> no ip address
> shutdown
> !
> interface Serial0
> no ip address
> shutdown
> !
> interface Serial1
> no ip address
> shutdown
> !
> interface Serial2
> description East S0 192.168.50.0
> ip address 192.168.50.2 255.255.255.0
> bandwidth 64
> !
> interface Serial3
> description West S0 192.168.30.0
> ip address 192.168.30.2 255.255.255.0
> bandwidth 64
> !
> interface Serial4
> description Link West 192.168.40.0
> no ip address
> bandwidth 64
> shutdown
> !
> interface Serial5
> no ip address
> shutdown
> !
> interface Serial6
> no ip address
> shutdown
> !
> interface Serial7
> description West S1 192.168.40.0
> ip address 192.168.40.2 255.255.255.0
> bandwidth 64
> !
> interface Serial8
> no ip address
> shutdown
> !
> interface Serial9
> no ip address
> shutdown
> !
> interface BRI0
> no ip address
> shutdown
> !
> no ip classless
> !
> line con 0
> exec-timeout 0 0
> logging synchronous
> line aux 0
> line vty 0 4
> password 7 121C091E180A04
> login
> !
> end
>
> 2512
> west#sh run
> Building configuration...
>
> Current configuration:
> !
> version 11.2
> service password-encryption
> no service udp-small-servers
> no service tcp-small-servers
> !
> hostname west
> !
> enable secret 5 $1$a7wE$jE18AUEn2QSTBFY.P1Fqg1
> !
> partition flash 2 8 8
> !
> !
> interface Ethernet0
> no ip address
> shutdown
> !
> interface Ethernet1
> description Link to East 192.168.20.0
> ip address 192.168.20.1 255.255.255.0
> !
> interface Serial0
> description North S3 192.168.30.0
> ip address 192.168.30.1 255.255.255.0
> bandwidth 64
> clockrate 1000000
> !
> interface Serial1
> description North S7 192.168.50.0
> ip address 192.168.40.1 255.255.255.0
> bandwidth 64
> clockrate 1000000
> !
> no ip classless
> !
> line con 0
> exec-timeout 0 0
> logging synchronous
> line aux 0
> line vty 0 4
> password 7 070A2D45440811
> login
> !
> end
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