Activity in Technology and Support
Using Let's Encrypt Certificates with Cisco ISE
Table of Contents Table of ContentsSummaryACMEObtaining the CertificatesObtain the Certificate from Let's EncryptIdentify the Signing Certificate AuthoritiesObtain the ISRG Root X1 CertificateUploading the Certificates to ISEUpload the ISRG Root X1...
Remove Agent Performance Statistics from WxCC Desktop
We have a dept that wants the APS customized, since that can't be done, I plan on building a custom Dashboard to display the team data they want the agents to be able to access. However, I would need to remove the APS. As the title states, is it pos...
NX-OS N9K uses SNMP to monitor routing sessions in multiple VRFs, caus
Hi: I trying to monitor OSPF in multiple VRFs. I have created multiple context in SNMP. Here is what my config looks like:snmp-server context default vrf defaultsnmp-server context abc01 vrf abc01snmp-server context abc02 vrf abc02snmp-server communi...
stateful ASA FWs failover
Hi,With stateful ASA FW pairs you configure interfaces with primary and standby IPs.Must standby IPs necessarily be within the same LAN as primaries?If so, must they be within the same VLAN? Or can routing be used to interconnect them instead?For MGT...
NAT problem in the subnet entering the vpn tunnel
I have created a vpn tunnel between the asa firewall (ikev1) and the cisco router. the asa subnet is 192.168.100.0/24, the router subnet is 10.100.0.0/24. The VPN works fine and they can communicate with each other. But I can't NAT the 192.168.100.0/...
Nexus Migration from 5500 to 9300 series without interruption
Hello all,I am planning to upgrade my DC with Nexus 5500 to 9300 series without interruption.Can you please give me advices in order to perform this properly ?
Webex App Update Trigger to download new version
In our environment, we keep the install package for the webex app on an install server. When the field services folks build out a new laptop to be deployed, after the image is loaded, there are scripts that run specific installs, one of which is for ...
ssh to switch refused
hi all,when i try to ssh in to a switch i get a connection refused on port 22ssh robert@10.110.10.4ssh: connect to host 10.110.10.4 port 22: Connection refusedthanks,rob
Call Pickup issue on CUCM 12.5
Hi, I have a customer on CUCM 12.5(1)SU4. They use Call Pickup groups fairly extensively but have started having problems with some of them recently after phones were moved between offices. One CPG has two phones (User Device Profiles logged into 784...
IPsec over NAT444 issue
Hello Everyone I have to set up an ipsec tunnel with Lo0 as source of tha tunnel. Nat is activated in My CE and in the ISP level (NAT444)All ipsec and Nat configuration is ok but, and as I know that for the NAT to work correctly, the packet should pa...
Specific SDWAN Design Viability
Hi All, One of our customers has brought up a specific requirement for the SDWAN design at the head quarter office. They have two internet links and two routers at the sites. Internet links are terminated to NTUs. They have asked for the below desig...
TCP MSS not working
Please refer the below topology,Client >>> Cisco router >>> Firewall >>> Upstream device >>> serverI have set mtu as 200 in my upstream device and as exepected when client access the server(http) the packets are fragmented.However when I set tcp-ms...
DYNAMIC ROUTING WITH ZERO LOOPS
Hello Team,I have a topology as below;I have point to point connections to multiple partners who have different unique prefixes - to avoid overlapping of subnets.They need to access my internal resources - in this case vlan 50 and 70 for respective s...
ASA performance test using iperf3 - NAT problem
I tested the ASA 5520 iperf3 to check its performance. I then wanted to add NAT to it to find out how much it was taxing the device. However, I kept having the problem that almost all traffic was untranslated.The created objects are the same, i.e. 19...
BGP prefrence over static Routes
I have a setup in which i have 2 routers connected to same ISP A both via default route pointing towards ISP for internet.Now we want to add another ISP B on both routers however that ISP will use BGP with RIPE IP address over the internet.Now we wan...
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