I have a 3560-C switch and am trying to get it back to factory defaults. I have been following this guide to try and reset it. Issue(s) I have came across is the first command `flash_init` results in Initializing Flash... ...The flash is already in...
Forum Posts
Hello everyone, I have an ASR-1004 router configured as a PPPoE server. The IPV4 works perfectly. But I'm having some difficulty enabling DHCPV6 in the virtual-template interface. My clients are unable to capture a valid Global unicast IPv6 address o...
Hi, We have two stacks of catalyst 3850 running Denali 16.3.5: each one is composed of a WS-C3850-48T + a WS-C3850-24T linked by stackwise and powerstack. A PAGP etherchannel of 8 Gb/e ports (4 ports on the 48T and 4 on the 24T, so it's a cross-sta...
Resolved! Telnet question
Hi, if I configure telnet on an "management-interface fastethernet interface", will this command take precedence over the existing vty command configured on the "line vty 0 4" level? Or will the device flag an error and ask the existing vty command t...
Good morning
Resolved! Packet loss across Catalyst
Looking for a bit of guidance. I have a customer that is using a Catalyst as their CPE, it also appears they are using this device as one of their core switches as there are over 20+ VLANs connected to the device through a number of trunks. The cus...
Resolved! 3850 IOS image
Hi all,I`m strugling with choosing the right image for my 3850. Should i install universal image or universal without DTLS. Can someone advise which image i need? In sh version output i have package with ldpe mark, but the image is universal. Thanks ...
Hi All, I've just added a new 1G backup link between two sites which also has a 10G primary circuit. The delay on the primary link is 10 microseconds as is the delay on the backup link and I've also added a delay of 10 (100 micro seconds) on the b...
Hi all, This is a network topology currently i am working on. I have user connected in different vlan and server in different vlan. All my vlan gateways are configure at DS Cisco 3850 switch. I am using OSPF between DS and core (nexus 9504). Cur...
Dear All, Can you please tell me is it possible to use Cisco 891F-K9 on the connection from ISP is VDSL2, I have changed the ISP modem configuration into Bridge mode and then configured Dialer interface , but I am not getting IP from from ISP, it i...
Hi, Having problem connecting TV box (Oasis) to a switch 2960 After connecting to any port, the port goes up and after couple of seconds goes down I have changed duplex, speed. Still does not work Are those TV boxes use different protocols? I have ...
Hi Genius, Anyone can confirm that cisco 4500X switch will have the ALS(Automatic Laser Shutdown) feature.
Hi, i have tried to configure the Ethernet OAM between Cisco switch and Huawei Switch, Pls find the below topology Topology: Problem Observed When we tried to remove the single core from the Huawei switch then both the switch interface down We...
We recently purchased a couple 2960CX-8PC-L. I've tried inserting 2 different GLC-T sfp's into both Gi0/11 and Gi0/12, but they both go err-disabled. I can insert a GLC-SX-mmd GLC-LH-SMD with no issues. The GLC-T's are Cisco brand and I've tested...
Morning all, I am setting up a port mirror for 2x non-stacked Cisco 4000 switches. We shall call them switch 1 and switch 2. I need to mirror all Vlan activity for a specific Vlan on both switches and send it to a specific port on switch 2. On S...
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