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Hello,I've got a problem that hopefully you can help with: Remote Office.PC - MTU Default 1500Switch - MTU Default 1500Firewall - MTU Default 1500Cisco WAN Router:inside interface - MTU Default 1500outside interface - MTU 1600>>>Note: Outside interfa...
Hello.I have a Cisco 887va which is connected to an ADSL line.The internal network is a 192.168.1.x nework (255.255.255.0).My WAN is a staticly assigned IP from the ISP - to save giving my actual IP I'll give an example 50.50.50.50I have a webserver ...
Hello. I've got an 887va that is used for ADSL. Everything works fine. It's a basic setup to allow internal users to get onto the internet.I've recently ran a NMAP and NESSUS scan against the external WAN IP and everything now looks fine apart from D...
Hello,I've an 887va (used for providing internet via ADSL at a remote site).From the inside 192.68.0.x network we all users out on all ports (unrestricted).I've a requirement to allow SSH, HTTPs, SNMP and PING from 2 remote external IPs to the assign...
Hello.I've got a 2921 used to connect to physical sites over a WAN connection (BT Fibre).The WAN line is 100MB with the potential to be 1GB.I was wondering if someone can tell me (or point me to) what speeds the 2921 can support in terms of throughpu...
I've done a wireshark on the client PC and requested the https page. I can't share it unfortunately, but I see lots of TCP Dup ACK,, TCP Fast Retransmission (Application Data) and TCP segement of a reassembled PDU. Does this indicate the MTU issue st...
Thanks Alain,Can I just check this looks right:What I want to achieve. Keep my Management acces (SSH) with access-list 10. Deny anything else other than a remote IP of 70.70.70.70 for SSH access. It should only have ssh and no other ports.Allow one r...
Thank you. I have added the ip access-group 100 in under my interface Dialer0 (ADSL connection).I will test and let you know. Is there any troubleshooting I can do to see why it is not hitting an ACL, if the router is listening correctly on the IP, e...
Thanks Alain,I have entered the command 'no ip dns server' to remove the 'ip dns server' line.However I can still telnet from the internet to my WAN IP on tcp 53?