The failover is determined by execution of the following command pix# show failover state State Last Failure Reason Date/Time This host – Primary Active Ifc Failure 13:23:27 MET Aug 17 2012 Other host – Secondary Standby Ready Ifc Failure 08:23:57 MET Aug 14 2012 ====Configuration State=== Sync Done Sync Done – STANDBY ====Communication State=== Mac […]
Author Archives: T1
ICMP permitting ACL
2012-08-14 – 12:34 am
object-group icmp-type functional_ICMP icmp-object unreachable icmp-object time-exceeded icmp-object echo-reply icmp-object source-quench icmp-object parameter-problem Unreachable, time-exceeded – routing problem, echo-reply – all OK parameter-problem, source-quench – MTU Path discovery features
The correct way to save configuration in HiPath 4000
2012-07-20 – 6:50 pm
exec-updat:bp,all; exec-updat:a1,all; Where: BP = active base processor (A or B) of SWU A1 = administration and data server (ADS)
A bunch of networking jokes
2012-07-09 – 9:34 pm
A friend of mine shared a butch of networking jokes. I am going to copy them all here, for historical purposes. Make sure to visit the site for a full version A pair of jumper cables walks into a bar. Bartender says: “I’ll serve you, but don’t start anything.” – Matthew Norwood A dhcp packet […]
You might be an Network Guy If
2012-05-18 – 7:05 pm
Preparing to CCNP SWITCH by the official certification guide involves lots of side research. Previous time, filling my gaps in STP, I found spanning tree poem. Today I was researching about STP again and found an interesting text, which is a joke about telecom guys. By far I know telecom-involved people as the ones who […]
Cisco IOS replace running config instead of merge
2012-05-08 – 11:29 pm
By default, if you do # copy startup-config running-config the startup config would be merged to the running one. The same happens if you use tftp:// or flash:// instead of startup-config. Eventually, there is a way to replace the running config. The command is: # configure replace ftp://192.168.1.1/dyn1_bgp
Juniper Network Connect Eerror nc.windows.app.23711 Fix
2012-04-13 – 6:17 pm
Diagnosis for me was getting error nc.windows.app.23711 after a random amount of time running VPN to IVE. According to Juniper forums and burgtrack [1, 2], The error message is caused by something changing your computer’s route table. It may be any application. hen it happens, you are going to receive similar message in a network […]
Spanning tree poem
2012-03-21 – 12:43 am
There is eventually a spanning-tree poem. I found two versions. A version by Radia Perlman I think that I shall never see A graph as lovely as a tree. A tree which must be sure to span. So packets can reach every LAN. First the root must be selected. By ID, it is elected. Least […]
Мотивация Лжи
2012-03-05 – 7:09 am
Ложь возникает там, где появляется принуждение. Я довольно давно задаюсь вопросом, почему люди врут. Конечно, ответов много. Можно почитать страницу на википедии о лжи. Можно почитать психологов, или популлистов с их афоризмами. Я расскажу свою версию. Зачем человеку умышленно искажать информацию о действительности? Есть много ответов. Я уверен, все они классифицируются целью избежать ответственности, наступающей […]