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Community Member

Priority-group on ATM interface

I am having a problem with configuring an atm point-to-point interface with a priority-group. I'm able to enter the command w/o any errors, but when I go back to look at the config, it doesn't appear to be configured.

I also have a seperate group of ATM interfaces on this router which are group together for IMA, these have been configured with the same priority-group I'm needing to use.

ATM 1/4 and 1/5 are the interfaces I'm having problems with, ATM 1/0 and 1/1 are working.

interface ATM1/4

mtu 1544

no ip address

ip load-sharing per-packet

atm vc-per-vp 256

no atm ilmi-keepalive

no scrambling-payload

!

interface ATM1/4.32 point-to-point

description ATM T-1 to Sault Ste Marie

mtu 1544

ip address 204.105.199.53 255.255.255.252

ip load-sharing per-packet

pvc 0/32

protocol ip 204.105.199.54 broadcast

vbr-nrt 1500 750 3600

encapsulation aal5snap

interface ATM1/5

mtu 1544

no ip address

ip load-sharing per-packet

atm vc-per-vp 256

no atm ilmi-keepalive

no scrambling-payload

!

interface ATM1/5.33 point-to-point

description ATM T-1 to Sault Ste Marie

mtu 1544

ip address 204.105.199.65 255.255.255.252

ip load-sharing per-packet

pvc 0/33

protocol ip 204.105.199.66 broadcast

vbr-nrt 1500 750 3600

encapsulation aal5snap

interface ATM1/0

description ATM T-1 to Phnx

no ip address

no ip mroute-cache

atm vc-per-vp 256

no atm ilmi-keepalive

ima-group 0

no scrambling-payload

priority-group 1

!

interface ATM1/1

description ATM T-1 to Phnx

no ip address

no ip mroute-cache

atm vc-per-vp 256

no atm ilmi-keepalive

ima-group 0

no scrambling-payload

priority-group 1

interface ATM1/IMA0.43 point-to-point

description 3MB IMA to phx-gmr-rtr1 - includes a1/0 and a1/1

ip address 204.105.199.37 255.255.255.252

pvc 5/43

protocol ip 204.105.199.38 broadcast

vbr-nrt 3000 1500 7200

encapsulation aal5snap

!

access-list 177 permit udp any any range 30000 39999

priority-list 1 protocol ip high list 177

Any ideas?

2 REPLIES
Cisco Employee

Re: Priority-group on ATM interface

priority-queueing, custom-queueing and native fair-queueing are not supported on ATM interfaces. You have to configure Class Based Weighted Fair Queueing or Low Latency Queueing to achieve similar things.

More information about this at the following URL:

http://www.cisco.com/pcgi-bin/Support/browse/psp_view.pl?p=Internetworking:ATM:IP_ATM&viewall=true

Community Member

Re: Priority-group on ATM interface

I'll check it out. Thanks

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