Switching

hello i have cisco router 3745 and ios have crashed, just open at rommon only i want how i get ios to upload to router and boot form flash . plz help i dont have ios file thanks

Hi guys, I have a user access switch with its interfaces speed varying from 10 , 100 and 1000 mbps as it is configured with speed auto. I need to monitor this speed variation on the interfaces. Does anyone knows how I can see  it on  show logg pleaaa...

i am using Cisco router 3845 with  Version 15.1(4)M6. i created ACL to block the MAC-address. but i dont see mac access-group command on any interface. please help, thanks. access-list 700 deny   38xx.xxxx.xxxx   0000.0000.0000

Hello, I'm trying to apply a QoS profile in the company's headquarters like what I have in my routers branches.I'm no expert in QOS therefore encounter difficulties in understanding and application functionality, but I have applied and running in oth...

Everybody who instaled GNS3 1.3.1 windows 7 32bit might have had issues some of it that might be occasionally the same as mine. The main issue is that whenever I drag the IOU_Router to the topology table is appears a message saying => Error while cre...

Are there any restrictions on ASA 5505 series? I am not able to ping the remote site hosts from ASA inside network. ASA Inside network : 192.168.10.0/24 Remote network (Using IPN4G Cell ) - 192.168.100.0/24 ASA hosts (inside network) is able to p...

Can I configure Link aggregation with different distance cable length, please guide. Link aggregation Configuration between to catalyst 4510 Switch with Optical Fiber Cable. Link aggregation both cable length different. One cable lenth 500 meter ot...

Hi ,    How does the TCP handshake occurs in the case of asymmetric routing . Below topology we have traffic initiated from Source to R1  ,whereas R1 provides return path to Source via R2 .  R2 has a direct connection to R-WAN  (not mentioned in dia...

Hello Everybody!I got an issue with a Nexus 7009 when i try to get info about traffic on all the intefaces vlan.I got an Nexus 7010 and everything is okon the 7010 the NX-OS is  n7000-s1-dk9.5.2.5.bin (cisco Nexus7000 C7010 (10 Slot) Chassis ("Superv...

Hi folks , Is this possible to send traffic using service provider switch domain like below image ? If Possible , please explain how it is possible .

I have a WS-C3750X-48PF-S and I believe it's sending out erroneous duplicate IP information.  Has anyone else experienced this?  We have the exact same wireless config at every site, but using older switches.  This is the only site with this switch. ...

Hello, The other day I had our BGP setup with out ISP get interrupted and took down Internet access for the company. I managed to get this back up, but since then I am seeing a small bit of latency. Not much, a ping test shows up to 12ms on the core...