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Activity in Technology and Support

C9300 switch in a fudged state for IOS upgrade

I have a c9300 stack with 2 switches currently running 17.09. Im trying to go to the gold star standard of 17.15They are currently in bundle mode. They are also across the country.I transferred the .bin, verified md5. All good.Because it's in bundle ...

yetain by Level 1
  • 65 Views
  • 3 replies
  • 0 Helpful votes

Block Reasons in Activity Search

Hi everyone, I would like to kindly request your input on the meaning of each block reason, as well as the list of block reasons and the corresponding next-step actions, which are not yet included in the Secure Access documentation.Below is the block...

dianawinsky_0-1767334395613.png

STP Topology

So, I was watching this video about topology change by Jeremy's IT Lab where he mentioned this point in the topology that Sw3 will sends a tcn to to sw1 (generated by sw4) and tcack to sw4. So, does it mean that a switch receiving tcn from other swit...

Promiscuous mode error on FTDv 7.6.2

I upgraded my FTDv to version 7.6.2 and when i try deploying policy, it failed with this error: error : ERROR: cannot set np to promiscuous mode.ERROR: Failed to initialize interface,  Add interface Failed. Has anyone seen this and any workaround?Tha...

Knassi by Level 1
  • 156 Views
  • 3 replies
  • 0 Helpful votes

Network Design: New Collab Lab + Home Cloud/ Wifi

I'm considering a design change where I consolidate two WAN circuits behind shared edge hardware in order to better leverage some existing hardware. The environments are currently structured as:- 2 ISPs- 2 firewalls- 1 Layer-3 Switch- 3 access Switch...

tliving by Level 1
  • 145 Views
  • 1 replies
  • 0 Helpful votes

NAT DIA Tracker on IPv6 Interfaces

Hello, does it make any sense to setup "tracker-type ipv6-interface" which track via HTTP probes ?  endpoint-tracker dns_t1 tracker-type ipv6-interface endpoint-dns-name cisco.com I tried several configuration but the probe still fails since mo...

jgeralsky by Level 1
  • 130 Views
  • 1 replies
  • 0 Helpful votes

Resolved! AIR-LAP1262N-A-K9

Hello there. I have this access point  AIR-LAP1262N-A-K9, and it is autonomous and i want to convert in lightweight but i can not find the ios. Please how can i download anywhere ? 

Goku31 by Level 1
  • 2910 Views
  • 10 replies
  • 0 Helpful votes

IBNS 2.0 with ISE for dot1x

Hi all Hope someone can answer the below for me.  Is a policy-map mandatory for dot1x to work when using IBNS 2.0 with ISE ?   I have two ports on a switch configured for dot1x. Out of the two, one is configured without any policy map and the other h...

harryraju by Level 1
  • 136 Views
  • 2 replies
  • 0 Helpful votes

OSPF WildCard mask problem

hi every one...i  am new in networking and i am bit confused in ospf  wildcard mask..ospf configartion on routers are as follow:R2(config)#router os 3R2(config-router)#net 4.1.1.0 0.0.0.6 a 1% OSPF: Invalid address/mask combination (discontiguous mas...

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gulzaib by Level 1
  • 10827 Views
  • 13 replies
  • 0 Helpful votes

dual isp failover on single asr1002hx router

hi,please tell me how i can configure dual isp failover on single asr1002hx router. I have 2 internet wires from 2 isp. I have /28 from ISP1 and /31 from ISP2. All servers behined my router is using IPs from /28. I want that if one of the ISP failes,...

qamar-a by Level 1
  • 834 Views
  • 35 replies
  • 0 Helpful votes
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