Questions tagged [cisco-ios-xr]
IOS XR is the operating system run on a number of Cisco's large, service-provider focused platforms. Questions using this tag should be specific to the IOS XR operating system. Many of the commands, syntax, and management interfaces for IOS XR are quite different than the other major IOS versions/trains.
36
questions
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Why `commit replace` left traces of login accounts on Cisco IOS-XR?
Wiped the startup-config with commit replace on our ASR 9006 routers in the global config. Noticed that after a console timeout that it prompts for an account to login. Logging in with an old account ...
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votes
1
answer
170
views
Configure NCS540 IOS XR router works as Layer 2 switch
I have an NCS 540 Router and would like to config it as an L2 Switch. In the diagram, PC2 and PC3 should get the IP addresses from pfSense(DHCP and DNS). How can I setup the trunk port for the NCS540 ...
- 1
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1
answer
155
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Naming ASN something else than "default", Cisco IOS XR
I'm trying to configure a BGP and VRF (for a L3VPN) on a Cisco ASR9000 router, as per this tutorial.
I'm on the first section ("Configuring Multiprotocol BGP on the PE Routers and Route ...
- 1
2
votes
2
answers
629
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How do I view BGP communities of received routes in IOS XE before they go through route-map import policy?
I want to see the communities that are attached to a route when I first receive the route before it goes through the BGP import route-map. In my instance the route-map strips communities off so I ...
- 21
1
vote
1
answer
97
views
How do I resolve an intermediate registration error on cisco EEM?
I'm testing adding a new EEM policy in a cisco IOS-XR router to send information caught through SNMP to syslog.
Right now, I'm not able to register the policy, and when I try to commit, I get the ...
- 11
4
votes
1
answer
612
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Cisco XR, factory reset for ZTP (Solved!!!)
I have a few N540-ACC-SYS (XR 7.3.1) where ZTP works fine with ztp initiate interface Ten0/0/0/0.
The challenge also exists on 7.2.2.
I'm at the point of doing the final test to validate proper ...
2
votes
1
answer
511
views
Cisco IOS XR not sending multiple copies of a prefix despite that the additional-path feature is enabled
I have an iBGP session between a Juniper router and a Cisco IOS XR router with add-path/additional-path both in send and receive direction enabled. According to show bgp neighbor, the feature is ...
- 1,177
4
votes
1
answer
581
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How to restrict routes redistributed into ISIS in IOS XR?
I have a router running Cisco IOS XR with established L2 ISIS adjacency with a neighbor router. I would like to inject only the IPv4 address configured on loopback interface into the ISIS. The route ...
- 1,177
1
vote
1
answer
221
views
Run a script on router reload
I have the latest Cisco IOS XR (7.x), and I am trying to find a way to run a bash or python script stored on the router on every reload. Is there any ways to do this?
- 113
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0
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555
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Cisco IOS XR RPF filter bug?
Based on this documentation: https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/security/62x/b-system-security-cg-ncs5500-62x/b-system-security-cg-ncs5500-62x_chapter_01001.html I'm trying to set up ...
- 111
1
vote
1
answer
225
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BGP Community Policy to only allow single Community tagged routes
I have a requirement to do a Cisco IOS-XR Route-policy to allow only routes that have a single community tagged and not allow routes with multiple community tags.
I built a lab that has two routes:
...
- 41
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3
answers
436
views
How do I know which product IOS my router has
All
My device ASR-1001-X
I'm trying to see what type of product my IOS is on my router. As I'm buying another one of the same kind. My current router has this information
Cisco IOS XE Software, ...
- 121
1
vote
1
answer
139
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implementing broadcast traffic restriction
Can we restrict the high broadcast traffic from interface in Cisco ASR9k and 7600 routers? If so, what configuration we should apply?
- 51
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0
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445
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Prioritizing SSH, Telnet, TACACS in Cisco IOS
For Prioritizing SSH, Telnet, TACACS locally generated traffic on Cisco ASR running IOS XR, we have:
ssh server dscp 48
tacacs-server ipv4 dscp 48
Need the same for cisco GSR: 12416/PRP running IOS. ...
- 51
2
votes
0
answers
107
views
Method to rename the existing BGP peer group
In Cisco ASR router, do we have any method to rename the existing peer group without removing and recreating it?
- 51
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1
answer
152
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How to properly setup graceful-shutdown community
I'm trying to setup graceful-shutdown community but it looks I cannot make it working.
community-set comm-graceful-shutdown
65535:0
end-set
!
route-policy SOMEIX-IN
! tried set local-preference 0 ...
- 123
2
votes
1
answer
1k
views
How to save the initial startup configuration in IOS XR?
I'm willing to try all the Segment Routing implementations one-by-one in XRv 9000 Router. Each time I have a specific implementation for SR e.g., SR-TE, SR-MPLS, SR-OSPF, and SR-ISIS ... etc.
The ...
- 145
0
votes
1
answer
1k
views
How to enable RESTCONF server in IOS-XR?
I aim to enable RESTCONF server on Cisco IOS-XRv 9000.
I did not find online anything about enabling HTTP server in this IOS-XR version. However, with NETCONF server can be enabled.
For IOS-XE is ...
- 145
1
vote
2
answers
866
views
SNMPv3 Failed authentification warnings (traps)
Is't someshow possible to enable SNMPv3 failed/wrong authentification events to be sent to some logging server or just the log message to be triggered on device itself ?
I talking about IOSXR/IOS/IOS-...
- 47
2
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0
answers
126
views
point- to – point local switching
I want to build an point- to – point local E-line carrier Ethernet services between IOS XRv routers using the link bundles.
Once the two local EFPs linked with a point-to-point cross connect, the ...
- 21
1
vote
1
answer
722
views
Cisco IOS XR policy statistics:
My goal is to see if the interface gets more than 2gbps of traffic, just to see if it's true.
So I created a policy map with ACL that matches all, and all actions - violate, conform are set to ...
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3
votes
1
answer
2k
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Cisco XR BGP neighbor group
I have a problem with understanding the neighbor-groups in Cisco IOS XR. I will describe it on below example:
router bgp 10429
bfd minimum-interval 300
!
neighbor-group IBGP
remote-as 10429
...
- 33
1
vote
1
answer
411
views
distance vs distance ospf - commands Cisco XR
Could you tell me what is the differences between the following Cisco XR commands: distance vs distance ospf/bgp ? I know the basics regarding administrative distance, that sets the priority for the ...
- 25
1
vote
1
answer
848
views
Which is the actual TCP MSS for this iBGP connection on ASR9K running IOS-XR?
I have this iBGP session established between a Cisco ASR9K and a Cisco 7600 router.
On the ASR9K device, 'show tcp detail pcb all' displays 'MSS 1240, peer MSS 9152, min MSS 1240, max MSS 1240' for ...
- 1,636
1
vote
1
answer
856
views
L2VPN xconnect state in IOS-XR routers over SNMP
Is it possible to get L2VPN xconnect state in IOS-XR routers over SNMP? It should have 7 possible states(Up, Down, Admin Down, Unresolved, Standby, Standby Ready, Partially Programmed):
RP/0/RSP0/...
- 1,177
7
votes
5
answers
6k
views
How to view BGP community attached to prefix in Cisco ASR routers?
Cisco ASR routers use IOS XE software. One can see the received IPv4 unicast prefixes from BGP neighbor before any inbound policies with sh bgp ipv4 unic neigh <neighbor-address> received routes ...
- 1,177
2
votes
1
answer
185
views
difference between Cisco "cbQosClassMapStats" and "cbQosPoliceStats" SNMP objects
I have a Cisco ASR-9001 router running IOS-XR version 4.2.3 and its interface Gi0/0/0/5.1 has following service-policy applied in ingress direction:
!
policy-map bw-cir-50Mbps
class class-default
...
- 1,177
2
votes
1
answer
1k
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ICMP "echo request" handling on routers running Cisco IOS-XR
I am aware that ICMP "echo request" messages addressed to router are handled in process switching in case or routers running IOS. However, what about Cisco ASR9K routers running IOS-XR? Is the ...
- 1,177
1
vote
1
answer
288
views
ASR9K XML API - Can't Authenticate
Trying to set up the XML API on an ASR 9K and find myself unable to authenticate with the XML API using Netcat.
I've configured the box as below:
Building configuration...
!! IOS XR Configuration 5....
- 131
2
votes
1
answer
2k
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IOS-XR - How to get bandwidth policed on an interface
How can I get in a straight-forward way the bandwidth policed on a certain interface on IOS-XR.
In IOS, I execute
show policy-map interface Gi1/1.1000
And I get clearly the BW policed on ...
- 2,018
3
votes
1
answer
2k
views
BGP MED On IOS XR
I am setting the BGP MED value on some out bound routing advertisements but I can't find anyway to check the MED on my advertised routes on Cisco IOS XR, to verify my configuration is correct (in ...
- 5,290
7
votes
3
answers
6k
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Does anyone know how to import ssh public key to ASR9K (IOS-XR)?
I am trying to login ASR9001 router using ssh public key authentication.
I tried to import my ssh public key to the router but no success.
RP/0/RSP0/CPU0:ASR9K-1#crypto key import authentication rsa ...
- 346
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votes
2
answers
325
views
IOS-XR XML agent ssl
I have enabled xml agent on ASR9k:
#show run xml agent ssl
Tue May 20 22:19:11.791 UTC
xml agent ssl
iteration off
!
When I try to connect to port 38752 it gets disconnected with connection reset
#...
- 41
5
votes
1
answer
3k
views
Running XML agent on IOS XR
I'm trying to configure the dedicated XML agent on IOS XR 4.2.3 (ASR9K) . The API guide
says to do the
xml agent
aaa authorization exec default local
which I did, and I can connect to the router ...
- 1,637
15
votes
5
answers
30k
views
How to factory reset IOS-XR?
I want to factory reset IOS-XR. The router used is ASR9000
I'm used to do that easily in IOS doing config-register 0x2102, write erase followed by a reload.
I search on documentation, but found no ...
- 2,018
13
votes
3
answers
12k
views
How do I read optical transmit power via SNMP on Cisco ASR9k?
I am looking to read optical transmit and recieve power of XFPs in our ASR9k. The MIB used should be "CISCO-ENTITY-SENSOR-MIB" which is 1.3.6.1.4.1.9.9.91 and occording the ASR9000 documentation, this ...
- 1,383