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Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...

Hi.I have tunnel between 2 office, network services are working well. When I open the internet site, it does not work.My config:R1. crypto isakmp policy 100 authentication pre-share ! crypto isakmp key 123 address 10.10.255.2 ! crypto ipsec transfo...

Hi all. I have a confusion regarding transparent bridging over a serial link. My diagram is simple R1 is connected to R2 via serial linkR2 is connected to R3 via Ethernet link.On R1 Serial i have given IP 10.0.0.1/8On R3 Ethernet i have IP 10.0.0.2/8...

I've configured my Router but I'm not able to get FTP working. I've NAT setup to IP address of FTP Server for port 20 & 21. Do I need to do more to get FTP working on Router?

Dear All,I have a core switch Cisco 3560G and configured vlans on it 2-11..Linksys switches are connected with Vlans and users are connected via linksys switches,I applied an ACL in the Router to give Internet access to only selected users, other use...

junshah22 by Level 1
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Hi,I have below networkR1 ------ R2 (Fa0/1) -- (172.30.22.1/24)The network connected to interface (Fa0/1) on Router2 was down; therefore R2 triggered partial update about this network as poison to R1.My question is why R1 is advertised the poison rev...

What is the best way to find out the current stable IOS version? Every time I read something on the subject it always seems to add a conflicting view point. Thank You

jeff.cook by Level 1
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Picking up Undersize errors on 3750 12.2.37 ports connected to Nortel phones. Counters increment periodically. Not sure if this is a cosmetic errors or the Nortel phone really sending out short packets or possibly sending out untagged packets on the...

joet8591 by Level 1
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I got 02 x 4507R chassis. I want to perform IOS upgrade. It is in SSO mode. The config-register is 0x2101.From this URL, http://www.cisco.com/en/US/partner/docs/switches/lan/catalyst4500/12.2/37sg/configuration/guides/issu.html#wp1091552, under Prere...

jasontan by Level 1
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  • 0 Helpful votes