Switching

Hi, I've a topology as in the first attachment. Md5 authentication is in use in area 0 and each device can ping every devices. We can see that in the second picture with the command show ip ospf int fa0/0 on R1. But with show ip ospf on R1, I see Ar...

Hi Team,  We have issue on Cisco ISE 1.3 patch 6. And already opened a Cisco TAC SR. But unfortunately, we can't find which is causing the issue on reloading the guest portal web page on Apple and Windows devices. Per TAC, she advised to check the D...

Dear All, Could you please explain about static vlan and dynamic vlan  Regards Azad

Has anyone ever experienced a Cisco router not booting at all?  It doesn't boot to rommon or anything, just a blank screen on the terminal output whenever it's directly consoled into... 

I have a pix 535, 3550 12T and a 3550 12G. The 3550 12T and 12G are connected via etherchannel using layer 3 ports. The 12G is connected to the PIX via layer 3 port. I am troubleshooting via PING these are my results. HOST can ping 10.1.5.9 ( vlan 2...

hi, if we have multiple branches, and we want to establish IPsec to all of them, then what are the limitation by running IPsec without GRE? I tried to read some posts on this but did not get the idea. the thing is that when you run IPsec ESP in tu...

Hi, Did you encounter any problems with running HSRP over a pair of ASR903 running BDIs ? Are there any caveats that I should look out for? In may case in seems that standby router is accepting the frames to destination vMAC address of the HSRP grou...

I went  through the CCNA Academy back in 2013, passed the certification test with a 947....so I was pretty solid on the knowledge.  Unfortunately I haven't used those skills...really at all since then.  Keep that in mind as you read, I'm rediscoverin...

Hi all, I got some clarifications about MST region that I hope gurus here can advise. q1) if I have 2 switch (S1 and S2). Both are running MST and are connected via a trunk link. They have the same region name, same revision number, but different in...