XR OS and Platforms

We have IOSXR 4.2.1 on routers CRS3 and ASR9K with all recomended SMUs; we need to configure the time synchronization for two NTP servers with the configuration below, but the routers became unstable; synchronize with one NTP servers for some time, t...

We have a newly implemented ASR 9010 and are trying to figure out how to best configure it with TACACS, as it is slightly different than IOS.In ACS, we have two groups: Group 1 and Group 2Group 1 allows full access in the shell command authorization ...

Hi,What are the hardware requirements for the nV Edge system?Im still not very sure even after going through the below;http://www.cisco.com/en/US/docs/routers/asr9000/software/asr9k_r4.2/interfaces/configuration/guide/hc42clst.html#wp1011420Which lin...

In the Access List manual of version 4.2 http://www.cisco.com/en/US/docs/routers/asr9000/software/asr9k_r4.2/addr_serv/command/reference/b_ipaddr_cr42asr9k_chapter_01.html#wp1019212976 I read that there is a possiblity to filter packets according to...

                   Hi All,How to know our engine cards version? now we're using IOS XR version 4.2 and Can anyone explan to me what the XR command?Thanks and have nice weekend.Kversion.

Hi,while upgrading from 4.0.1 to 4.2.3 on a several dozens 9ks network, im experiencing this issue ocasionally.It seems that MBI file is not found , the router starts a tftp internal download for the image and the syncs all the old and new packages f...

Does IOS-XR have a similar  debug command to IOS to perform IP packet debugs?              

Hi,I'm trying to install a static route when an IP address is not reachable, using IPSLA (ICMP echo) + tracking. I've found all the documentation  and know how to configure it, however I'm strugling to configure the IPSLA operation. For some reason i...

Greetings,I am looking at competing engineering bids for upgrading our routing infrastructure.  I have received one proposal that uses the ASR1004(or 1006) and one that uses the ASR9001.  I am having a hard time finding a way to compare feature to fe...