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Still looking at my old ASA-5510... I'm confused by the relationship between ARP and DHCP information.In the DHCP server table, some devices (not all) show a client ID which is not their 36-bit MAC address, but a 40-bit value which is apparently the ...

Loxmyth by Level 1
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Hi All,I have to upgrade 3850 switches to the latest ios version with an external Hard drive that is formatted to FAT16 and partitioned to 1GB but the switch didn't recognize it. switch#dir usbflash0:%error opening usbflash0:/ (No such file or direct...

yaredo70 by Level 1
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Resolved! Nexus 93180YC-EX

I'm trying to upgrade Cisco Nexus to 10.2.3F from 7.0.3 (Bios 7.61But I'm getting error messagePre-upgrade check failed. Return code 0x40930076 (Parallel downgrade to target version is not supported).2022 Sep 15 09:40:33 Switch_Name %$ VDC-1 %$ %USER...

So Im a student using Cisco Packet Tracer, Im trying to make a network, but while configuring my edge routers I keep running into an issue of it "overlapping" with another port, Im not sure whats going on as Im just following what they said, so, Im n...

EWoodie by Level 1
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Hello,I have a weird problem with my switch.I have an ospf and I wanted to add 2 networks:network 172.27.3.0 0.0.0.255 area 0.0.0.0network 172.27.7.0 0.0.1.255 area 0.0.0.0But in my run config is no write network 172.27.7.0 0.0.1.255 area 0.0.0.0 but...

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