Routing

I have a strange problem that I can't add a lifetime to the "crypto isakmp policy 2". When I try to add lifetime 86400 from CLI it doesn't retain the setting. If I add say 600 seconds it does. If I do lifetime ? 86400 is supported (24hr). It will...

Is It possible to prevent spread of network worms like blackmal in switches/routers of my networkSP

Does anybody know how to connect two sites over leased lines: one with Frame Relay other with semipermanent ISDN connection?Is it possible?

i am getting following error in OER. Any help me!!!*Mar 1 00:46:48.675: %OER_MC-5-NOTICE: Uncontrol Prefix 192.168.60.0/24, Couldn't find the best exit*Mar 1 00:46:48.675: %OER_MC-5-NOTICE: Uncontrol Prefix 192.168.60.0/24, Couldn't choose exit in ...

The cisco7507/8-mx is a vpn server.When the vpn client sessions are only limited up to 2048 sessions,but the configration of session limited is more than that.The vpn client all use pptp and not the ipsec.IOS is rsp-ik9sv-mz.123-8.T11.bin.I want to k...

i have a 2821 router with 2 giga and 16 fastethernet ports that have been configure with no switchpotrt command. am running eigrp. however the switch network module keeps hangs very often. help

HI all,I have a fiber link between two 7606 routers, the thing is the OSPF isn´t able to change to the FULL state, it stops in the EXSTART. Here is the two interfaces configuration:interface GE-WAN1/1 mtu 1508 ip address 10.9.129.1 255.255.255.252 ip...

CAn you please tell me the usage of the following commands. And also suggest if removing this might hamper the router functionality in any way, as my ROuter has been hanging frequently.ip flow-export source Ethernet0/0 ip flow-export version 5 ip flo...

I have a GSR running redundant GRP-B= with 256DRAM. We need to upgrade the GRPs to 512MB memory. My plan is to remove the standby GRP first then install the additional memory cards then insert it back. At this point, can I just remove the active GRP ...

Hi, can I know what IOS command can be used to check the leased-line speed?

Hi there,The ip bgp-community new-format is documented as a local display command to change the 32-bit format in AA:NN format (4 bytes), in addition the documentation indicates this command has no effect in the community exchange; however, I have exp...

Hi Guys,Normally when I upgrade the IOS image of my Cisco Router, I boot it in ROMMON mode, and then do the upgrade activity.I have a special requirement for which, I have to remotely upgrade the IOS without console access to a Cisco box. Flash capct...

I am going to buy a 3640 and then purchase a 2fe2w module. What is the difference between this and version 2? I was told that you cannot advance to higher IOS with the non v2. Is there a link that shows the differences in IOS (12.3 and higher) A...