Hi all, I have to upgrade the IOS on below switch to s2t54-ipservicesk9-mz.SPA.151-2.SY9.bin. Most of the cisco forums suggest below steps Option1 Step1. Copy the new image to bootdisk: Step2. Change Boot variable using 'boot system; command Step3....
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Forum Posts
Resolved! Clarification on OSFP type 1 and 2 LSAs
Hi all, Merry xmas. I have read the following on type1 and type2 LSAs in which they do not cross areas/stay within the same area, but I have some clarifications about them which I hope gurus here and help me out. Q1) Most study materials show use 2 ...
Hi guys, can one upgrade the nx-os with old kickstart and new system image ? for instance kickstart 7.0.1 with system of 7.1.4? also when I did compatibility check on the new image this is what I saw. I am confused as the hardware supports 7.1.4 b...
Hello, I just got an issue of my Cisco switch C2960 Stack. I have configured two port-channel by each port-channel select 1 interface from switch one and another 1 interface from switch number two: Ether-channel 3: G1/0/43, G2/0/43 Ether-channel 3: ...
I have done a little bit of research on dbl. From what I read it appears to be a helpful feature for avoiding congestion on switch ports. It is part of the QoS suite, and it appears to drop belligerent packets when they start accumulating. I am havin...
If I want to disable gratuitous ARP on my switches what is the difference between these two ARP commands: no ip gratuitous-arps no ip arp gratuitous If I run "no ip arp gratuitous" the IOS will ask me to choose between "local" and "none". After I...
Hello, I seem to remember you can't copy and paste a config from 1 switch to another if the original configure has role/parser based cli views configured? I have a tftp config with many custom role base views etc configured that I need to open up in ...
Resolved! Enable Internet on other VLAN
Hello Community, We have this network diagram below. We have existing VLAN 1 - 192.168.1.X /24 and works fine. All workstation can connect to internet. I have added new VLAN 40 on SG500 switch but not getting internet connection. Here is my co...
Resolved! VTP mode in 6509 and 2960
Hi guys, What is the best practice for VTP configuration mode between : two core switches 6509 and 50 edge switches 2960.? Is it good to make core in transparent mode and edge sw with server mode? Thanks Mohammad
Hi All Can you advise will the following technologies GRE tunneling, multicast, ospf and L2tpv3 cause any kind of resource utilization (cpu usage , memory usage) than the nominal %age while using the given IOS image c2900-universalk9-mz.SPA.152-4.M3 ...
Hi all, q1) If I have 2 links/trunks between 2 switches and both links 's native vlan is 1, is the native vlan is subjected to STP ? q2) is native vlan automatically allowed to transverse through a trunk ? do I need to specify "switchport trunk al...
Resolved! Identity NAT question ASA Firewall 8.2
Hi Everyone I got 2 questions regarding Identity NAT on an ASA version 8.2 I've got to configure Identity NAT for a whole segment lets say 10.10.10.0 255.255.255.0 and the way i'm going to do it its the next one static (CORE,inside) 10.10.10.0 10....
Hello Everyone I have 4500-x with all 10g interfaces and ASR1001-X with 1g interface and i have connectivity between them so how can i communicate these two different interfaces so that there will be communication between them any help please?
in OSPF, if i change the auto-cost reference bandwidth to from 100 to 1000, should the Gigabit interfaces have a cost of 1? i just did a Packet Tracer lab and afterwards, the Gig int was still 10
Resolved! No SSH Capability on 3550
I downloaded a new IOS that said IP base w/ crypto because I was unable to enable ssh on the old IOS. However when I try to run the crypto key generate command I get the invalid input message. I did a show ver:Switch#sh versionCisco IOS Software, C3...
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