BGP Command : soft-reconfiguration inbound & soft in
When you apply policy changes, they are only applied on routes that are learned after the policy changes have been enacted. This is because BGP is most frequently implemented on…
Meaning of different lights in switch
SYSTEM(SYST) Overall status of the switch. Off: Switch is not powered on Green: Switch is working fine Amber: Switch is powered on but faulty REDUNDANT POWER SUPPLY(RPS) Provides backup power…
Set telnet / SSH source IP address for Cisco router
ip ssh source-interface <interface to use>ip telnet source-interface <interface to use>R1#telnet 10.9.38.3 22 /source-interface l0Trying 10.9.38.3, 22 … OpenSSH-2.0-1.36 sshlib: GlobalScape Notes:for ping：ping <ip address> source <ip address / interface…
Cisco ASDM-IDM not able to be installed because of Java Runtime Environment is not installed
Environment:ASA5510ASA version 8.0(4)ASDM version 6.2(5)53OS: windows 2008 R2 Situation:Use Google Chrome access ASA5510, download ASDM-IDM package. Filename is dm-launcher.exe.Double click got following error message. Error Message shows Java Runtime Environment…
ASA Memory Leak
CFWP2001/act/pri# sh startup-config | i 216.66.216.11CFWP2001/act/pri# wrBuilding configuration…No memory available Error executing commandGDCM-CFWP2001/act/pri# show proc mem ————————————————————–Allocs Allocated Frees Freed Process (bytes) (bytes)————————————————————–873 4214872
“GRE over IPSec” or “IPSec over GRE” ?
I was confusing IPSec over GRE this term before. Spent some hours to google Internet. Found out lots of people doesnot really understanding what are difference between them. Eventually found…
Steps How to Add License into Cisco IOS
Have to setup IPSec tunnel between two 1921 router with only IPBase IOS without security feature. Purchased it from our procuring partner. Then got a email with PAK info in…
OSPF over GRE Over IPsec on GNS3
Continued on the post GRE Tunnel in GNS3 Same topology as GRE one: R1, R2, R3, R4, R5, R6, R7 all uses same IOS : c3640-ik9o3s-mz.124-10.bin. 3600 Software (C3640-IK9O3S-M), Version…
GRE Tunnel in GNS3
GNS3 Topology R1, R2, R3, R4, R5, R6, R7 all uses same IOS : c3640-ik9o3s-mz.124-10.bin. 3600 Software (C3640-IK9O3S-M), Version 12.4(10), RELEASE SOFTWARE (fc1) R5 is acting as Internet Router. It is only…
Cisco Pre-defined Access-list Port Number
Working on move PIX/ASA migration to Juniper SRX. Some of ports name convention Cisco is using which is different from JunOS. I found following list to map port number to…
Policy NAT-ing with overlap message – Order is important
Existing rule : static (dmz,outside) 200.147.90.89 172.17.1.3 netmask 255.255.255.255 There is a special situation come up today. When 172.17.1.3 access to another site 200.200.200.200 , it has to be nat-ed…
no response when ping MS Cluster’s ip address – Solution
There is a Citrix cluster deployed in our environment. But cluster ip not working from an outside network, although working fine in same network. Checked MS doc – http://technet.microsoft.com/en-us/library/cc732592(WS.10).aspx troubleshooting NLB, foud…