On Monday, February 27, 2012 11:50:59 AM Xu Hu wrote: > Did you ever encounter the OSPF hello > interval problems in the IOS-XR? Before we used the > IOS-XR, we run the OSPF in 7609, the ospf hello interval > is msec, but now we cannot configure the msec in IOS-XR > in ASR9K, one of my friends from recommend me to use the > BFD to quick converge the network? Do you have any good > ideas?
Well, we don't use OSPF (we're an IS-IS house), and I have no experience with it on IOS XR. But according to this link below, IOS XR 4.2 for the ASR9000 requires the 'hello-interval' OSPF command to specifiy the value in seconds: http://www.cisco.com/en/US/docs/routers/asr9000/software/asr9k_r4.2/routing/command/reference/b_routing_cr42asr9k_chapter_0100.html#wp187107531 But I've also just checked a Cisco 7201 router running 12.2(33)SRE5, and it seems to have the value in seconds also: lab(config-if)#ip ospf hello-interval ? <1-65535> Seconds lab(config-if)# Are you sure you're referring to the Hello Intervals? I know millisecond values for OSPF timers would be possible for LSA calculations, and this applies to both IOS and IOS XR. Cheers, Mark.
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