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New Member

IP SLA

I have a 1841 with C1841-ADVSECURITYK9-M), Version 12.4(3b) IOS. I have second 1801 with C180X Software (C180X-BROADBAND-M), Version 12.4(2)XA.

When I run router#ip sla ? on 1841 I get "monitor" option. When I run it on 1801 I set a whole different set of options? Are the features missing from 1801 release?

1 ACCEPTED SOLUTION

Accepted Solutions
Purple

Re: IP SLA

Alright, I've found out what the deal is here.. the command syntax for IP SLA has changed starting 12.4(4)T. That means that sub-commands that appeared under the 'ip sla monitor' hierarchy level now appear directly under the 'ip sla' command hierarchy level.

For example, the command 'ip sla monitor low-memory' command is replaced by the 'ip sla low-memory' command

Therefore, there is no feature that is missing (except for the differences I highlighted earlier).. it's just a change in syntax.

Hope that helps - pls rate the post if it does.

Paresh

5 REPLIES
Purple

Re: IP SLA

There is indeed a difference in the IP SLA features supported by the two images.

The 1841 image supports:

IP SLAs DNS Operation

IP SLAs FTP Operation

IP SLAs HTTP Operation

IP SLAs ICMP Echo Operation

IP SLAs ICMP Path Echo Operation

IP SLAs MPLS VPN Aware

IP SLAs Multi-Operation Scheduler

IP SLAs One-way Measurements

IP SLAs Path Jitter Operation

IP SLAs Reaction Threshold

IP SLAs Scheduling

IP SLAs Sub-millisecond Accuracy Improvements

IP SLAs TCP Connect Operation

IP SLAs UDP Echo Operation

IP SLAs UDP Jitter Operation

IP SLAs UDP VoIP Operation

IP SLAs VoIP Threshold Traps

The 1801 image supports:

IP SLAs HTTP Operation

IP SLAs ICMP Echo Operation

IP SLAs ICMP Path Echo Operation

IP SLAs MPLS VPN Aware

IP SLAs One-way Measurements

IP SLAs Path Jitter Operation

IP SLAs Reaction Threshold

IP SLAs Scheduling

IP SLAs TCP Connect Operation

IP SLAs UDP Echo Operation

IP SLAs UDP Jitter Operation

IP SLAs UDP VoIP Operation

IP SLAs VoIP Threshold Traps

So the 1801 supports fewer operations than the 1841 image..

To get the full set of IP SLA features on the 1801, upgrade to the 'Advanced IP Services' feature set for the same version.

Hope that helps - pls rate the post if it does.

Paresh

New Member

Re: IP SLA

I was using IP SLA monitor for reliable static routes on 1841 with advanced IP IOS. I guess i cant achieve the same with the 1801 and its more limited features?

Purple

Re: IP SLA

YOu should still be able to use that. What do you get when you do a 'ip sla ?' in config mode on the 1841 ? Would you be able to post that ?

Paresh

New Member

Re: IP SLA

On 1841 i get

router(config)#ip sla ?

monitor IP Service Level Agreement Monitor

on 1801 i get

config)#ip sla ?

<1-2147483647> Entry Number

apm IP SLAs Application Performance Monitoring

Configuration

group Group Configuration or Group Scheduling

key-chain Use MD5 authentication for IP SLAs Control Messages

logging Enable Syslog

low-memory Configure Low Water Memory Mark

reaction-configuration IP SLAs Reaction-Configuration

reaction-trigger IP SLAs Trigger Assignment

reset IP SLAs Reset

responder Enable IP SLAs Responder

restart Restart An Active Entry

schedule IP SLAs Entry Scheduling

slm Service Level Management

?

Purple

Re: IP SLA

Alright, I've found out what the deal is here.. the command syntax for IP SLA has changed starting 12.4(4)T. That means that sub-commands that appeared under the 'ip sla monitor' hierarchy level now appear directly under the 'ip sla' command hierarchy level.

For example, the command 'ip sla monitor low-memory' command is replaced by the 'ip sla low-memory' command

Therefore, there is no feature that is missing (except for the differences I highlighted earlier).. it's just a change in syntax.

Hope that helps - pls rate the post if it does.

Paresh

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