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Questions tagged [syslog]

For questions about Syslog on network devices. For instance, you are configuring syslog on your switch or you have have problems with syslog not showing on your router.

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15 views

How to get all the telemetry data from Arista's CloudVision?

Arista's operating system the EOS sends all their telemetry data to the CloudVision platform. CloudVision than normalizes that data converts to HBase if I am not mistaken. So I have a simple question, ...
2
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0answers
136 views

Cisco nexus spanning-tree logging to syslog

I am trying to send my spanning-tree events to remote syslog but somehow it doesn't work, This is what i have in my config. N3K# sh run | grep logg logging level spanning-tree 7 logging server 172.29....
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3answers
1k views

Cisco ASA logging to remote syslog question

I have Cisco ASA and i have setup graylog logging server and i am seeing no logs coming on remote syslog so this is what i did.. Current config: asa-fw1-010101-2-7/pri/act(config)# show run logging ...
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139 views

Firepower traffic syslogs are sent with (null) instead of the hostname or IP address

I'm having an issue with Cisco Firepower Syslog, for some reason, I get the Syslog from the FMC with (null) in the place where the sender FTD IP or hostname should be. I'm using a pure Firepower ...
2
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1answer
42 views

What is the equivalent of Juniper's “ monitor start *logfile* ” command for Cisco devices?

I enjoy having the feature of being able to watch real time logs as they occur, but I cannot figure out for the life of me what the Cisco equivalent command for " monitor start logfile " as it is on a ...
2
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2answers
745 views

Problems with TCP-Syslog on Cisco devices?

I'm planning to move from UDP-Syslog to TCP-Syslog on some Cisco switches (for example WS-C3560X-24P with 15.0(2)SE9 installed). But in Cisco documentation I'm not able to find any hint on what ...
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1answer
135 views

2901 Router does not send Syslogs to the Syslog server

We have 2 2901 routers which have BGP and IPsec running with customer devices. we have configured the following commands on the routers for them to send the syslogs to our syslog server. no logging ...
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1answer
66 views

Log incoming traffic

Is there any way to somehow log all incoming messages for Network devices, like who pinged my switch or who is trying to connect to my switch and what protocol was used? Is it possible to do it with ...
2
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1answer
888 views

Send command lines to syslog server

I already can send each Linux command line to my syslog server. Now, I'd like to send each command line inserted onto my Cisco router to syslog server. Is it possible? If yes, how?
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2answers
595 views

Global IP sourced on my INSIDE interface to another global IP on OUTSIDE interface

I have a Cisco ASA that gives me some sylogs that I do not understand. My INSIDE interface is where all my private IP addresses reside for the enterprise i work for. My OUTSIDE interface is what has ...
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2answers
289 views

Trigger a syslog message on ASR9k

I want to send a syslog message from ASR9k. E.g i want to send the message(trigger) "hello world" from my ASR9k. Please suggest the command used for same. In one of the other blogs, i read: send log ...
2
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1answer
714 views

What are examples of Cisco IOS Syslog level 0 (emergency) messages?

What are examples of Cisco IOS Syslog level 0 (emergency) messages? I have never come across one, nor have I been able to google for one.
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1answer
223 views

How to capture the details of the network traffic by Cisco?

I want to save the details of the network traffic by my Cisco Switch [source IP, dest, protocol...]. Is it possible to enable logging to capture the details of the network traffic by my Cisco in a ...
2
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1answer
506 views

Cisco Access Control Server ACS

Does anyone know can Cisco ACS be used as syslog server? For collecting logs from cisco devices?
2
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1answer
902 views

Cisco EEM pass Syslog message to TCL script

I'm on a Cisco 1811 with IOS 15.1(3)T - yes it's really old, but that probably doesn't matter here. I have this TCL script that makes an HTTP POST to a destination and i want to pass in ANY Syslog ...
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1answer
64 views

Is it possible to send syslog and SNMP traps to two different addresses concurrently?

I am migrating our NMS and I need to assign a new different IP address to the server I am migrating to. One concern I have is that I want to make sure that all nodes I am monitoring are set up to send ...
3
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4answers
631 views

Syslog severity level to 5 + ACL BLOCKED log

I am on a L3 switch C3750 IOS 12.2 and I want to log in the buffer (or just to the syslog server) all severity 5 messages and just the ACL Blocked level 6 messages. Is there a way to do this ? I've ...
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1answer
1k views

Cisco ASA syslog filtering

I've got a Cisco ASA forwarding syslog messages to a remote server (which is working great). However, after reviewing the logs, I've noticed a lot of 302013 and 302014 events with one particular ...
1
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1answer
592 views

Configuring Cisco 4500 series to send DHCP bind info to syslog server?

I am working with a client who needs to be able to view centralized logs for dhcp binds from their multiple 4510's. Is it possible to send a log of each DHCP binding to their syslog server? Would ...
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2answers
5k views

How to view old Log messages on Junos

I am currently trying to trace the syslogs on Junos I ran the "show log" command and the resulting messages I see don't contain that for the date I wish to check. I even ran the command "show log ...
2
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1answer
593 views

Which is source IP and destination IP for this Cisco ASA Firewall Log?

Built inbound ICMP connection for faddr 10.1.6.3/1 gaddr 10.24.5.2/0 laddr 10.4.1.2/0
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1answer
158 views

Junos syslog filter Cron facility

Is there a way in Junos 12.3R4.6 to filter Cron jobs out of the syslog that is being sent to a host running Kiwi.
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0answers
608 views

PowerConnect 2808 and syslog

I have a pair of Dell PowerConnect 2808 managed switches. I am attempting to enable syslog on them, but not having any luck. I have searched the web interface, used telnet to log into the CLI ...
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1answer
1k views

Dell switch Remote Log output structure

I am looking for information on what each part of a remote log(syslog) entry is from a Dell PowerConnect or Dell N series switch. I have the following log entry of: <190> May 15 11:06:19 10....
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2answers
1k views

Cisco IOS - Is it possible to change severity level of a single syslog message?

On an ASA I can change the severity of a single syslog message by doing this: logging message 713120 level notifications Is there a way to do this on a Cisco Router running 15.1 code? I am only ...
3
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1answer
10k views

Juniper Filesystem Full

Our Splunk server recently reported an error on one of our Juniper EX 4200s. 1 Aug 4 11:45:16 25SRV01 /kernel: pid 7661 (dd), uid 0 inumber 217 on /var: filesystem full It appears our /var ...
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1answer
3k views

Log Messages In Juniper MX960

How do I check the Log Messages of Last Month on juniper MX960 Router. When I am typing the command: #show log Messages. It's just showing me the messages for last 15 days. We have two MX960 ...
4
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2answers
5k views

Cisco 2960 Syslog - All logs not sent to Server

I have just installed Kiwi Syslog Server and is trying to capture Syslog messages from my Cisco 2960 Switches. Based on the docs online I have created following configuration: logging 192.168.1.5 ...
6
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1answer
2k views

Rate limit specific Cisco ISR syslog messages

We have a bunch of ISR 2800s on 12.4(25b) that basically are in production until they die. There are no plans to invest money in SmartNET or purchase replacement fans. We are getting a ton of fan ...