Hello.Should I configure Dual-Active Fast-hello before or after converting to VSS?Also, I have different routers connected to my two 6500 and so I have different static route. Imagine the following routes:- ip route 0.0.0.0 0.0.0.0 192.168.1.1 (6500-...
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Forum Posts
Hello everybody.I need to establish a trunk between Cisco SRW224G4 and Catalyst 3560. On the latter I configured the port as follows:interface GigabitEthernet0/10 description * to SRW224G4 * switchport trunk encapsulation dot1q switchport trunk allow...
Hi AllWe have layer 2 extension between the datacenter as given in diagramAre the STP port roles given in the diagram correct ? Im not sure why the priority of both N7k's were given the same (4096).. both the N7k's assume that they are the root bridg...
We have a DCN (Data Communication Network) for managing Customer End Devices (Flexihybrid Microwave). For past few days we are facing DCN visibilities issues. Our main concern is network availability.All switch have access port with specific VLANs. M...
Resolved! Cisco Network Backbone?
Hi,I'm looking for a Cisco Network Backbone (so best 2 core switches).At the moment we have 2 6880 Blackdiamonds, where are 20 Switches connected over Optical Fibre Cable to them.Because these 2 Coreswitches are very old now (over 9 years) i'm lookin...
can't get my 3750-48-ps upgraded with IP services. It says it does not support the feature set. documentation leads me to believe that it should. Any thoughts?
Hione of my port on N7K-1 is connected to another port on N7K-2, there are many other ports also connected between these chassis, but i am not able to see this particlar port, i have enabled cdp o this port also particularly by issues command cdp ena...
Dear Techs,I am using the following command to bind the mac address to ip for printersip dhcp snooping binding xxxx.xxxx.xxxx vlan xx xxx.xxx.xxx.xxx interface gig x/x/x expiry 1000000000(because we have ip dhcp snooping and ip arp inspection on V...
Hi out therewe are running a a redundant set of nexus 5020 nxos 4.2.1 and another set running 5.0.3. They are inter-connected with 2 10GB fiberlinks with 50km's between given a latency of approximately ½ mSec - is there anything special to be aware o...
Resolved! About BPDU sending and receiving
Hello,Im reading a LAN SWITCH Security book and i have a question regarding this sentence from the book: "a root port should typically be sending many more BPDUs than it is receiving. The opposite is taking place here, indicating suspicious activity...
Right now the HSRP tracking is based on physical status of WAN link. But this is creating issues sometimes because the WAN interface continues to stay up and not learning routes.So, I wanted to you to suggest what to track from the remote office and ...
Resolved! 3750 Stack Hardware Version
Hi, We currently have 6 stack of 3750G series switches which running "ipbase" image. We recently bought a 3750x series switch to add to the existing stack. The 3750X switch has a universal image. I going to downgrade the image to match "ipbase". The ...
Resolved! Sup2 OS Conversion
Hello,I am embarking on the fateful journey to convert a SUP2 from CATOS to IOS and from what I have read so far, it's not a an easy process to navigate. I am ready for the challenge but will gladly accept any tips from those who have already succes...
Resolved! Troubleshooting with carrier
Hi all,Is carrier tring to put loop toward Customer site i.e CE is dangerous for customer network. Can there be any problem? We usually ask carrier to put loop toward PE but today my co-worker said putting loop facing CE is dangerous,...it's like hac...
Hii have cisco WAP4410N access point(which are in vlan 10.10.x.x) connected to cat3750g(10.10.11.x) switch. and this connected to firewall. i couldnt access wireless gateway. tracert gettting failed after reaching the cat3750g.wap.......(vlan)..........
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