On Wednesday, September 29, 2010 03:36:38 pm Peter Rathlev wrote: > Just the lack of clarity in documentation and/or lack of
I haven't had a chance to deploy kinky stuff with IOS XR (our boxes are core nodes, and the most interesting things are IS-IS, IPv6 and LDP, hehe). But all commands and the features they provide are very-well documented on www.cisco.com'. I was able to use the Master Command reference to convert my ex-JUNOS core nodes to IOS XR (considering those were previously converted from IOS to JUNOS) without a single e-mail/call to my SE or TAC. Line for line. With regard to scenario's, yes, I'd say that is lacking when compared to IOS, but then again, IOS has been around for a little bit. I will admit, IOS XR was a little shady in the beginning, but 3.9.1 (I haven't used anything earlier) is quite there. You even get some pretty cool stuff on the ASR9000 like a BGP-signaled VPLS implementation, among other edge features already available in IOS. > features when using "show bgp ...". There's a number of things they don't have, and this is to be expected for a box that is still fairly new on the scene. IOS XR 4.0 and later will bring a ton of features, not least of which is BFD for LACP links (not that it works, but...). And someone else already mentioned, 3.8 brought with it some BGP switches that can do the stuff you're looking for. Later releases will simply make it more elegant. > I don't know the > platform myself, I was just surprised that a thing like > combining regexp/quote-regexp and an include doesn't > work in at least 3.6.3. Haven't used 3.6.anything, but it sounds a little dated unless TAC are recommending it (which I'd find curious, but...). > >From what I hear in other places the CRS-1 is a nice > >box. :-) I do have to agree here. It is a pretty decent box - I mean, the interface with the CLI is still not probably as great as JUNOS, in as far as its intuition with the rest of configuration goes, but it's far better than IOS. Upgrading the box via SMU's while it's in-service is a huge plus. Even if some SMU's will need to reload part of the forwarding engine or bits of the control plane now and then, it's still better than a total reload. And the one really cool thing I found was how easy the multi-chassis architecture really is. It sounds daunting if you haven't read or about or seen it in action, but once you have, you can do it with one eye closed at midday on a Tuesday including a break for lunch mid-way :-). All-in-all, not a bad box. Definitely worth considering if you're looking to beef up your core, particularly for the interesting deals Cisco can offer when compared to the competition, including in-house, i.e., XR 12000. Cheers, Mark.
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