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Resolved! allocate global prefix-list

Hello, According to the following document 'Allocate global prefix-list' command can be  configured on Cisco IOS 15S. But when I try to configure it on version 15.9 I get an error. https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/mp_ldp/configuratio...

Resolved! vlan tag manipulation

Hello, CSR1(vlan100)-----(g1)CSR2(g2)--- (vlan 200)CSR3 I am trying to ping from csr1(100.10.10.1) to csr3(100.10.10.3). But ping is not working. I have done vlan tag manipulation on CSR2.  I am not sure what am I missing. csr1---------------int gi1n...

cisco XR bgp key chain auth

Hello,  I have configured setup of 2 cisco XR routers XR8 and XR9.Both routers have key chains configured for authentication. But both routers keep on throwing the following error. P/0/0/CPU0:ios#RP/0/0/CPU0:Apr 22 06:03:34.807 : tcp[400]: %IP-TCP-3-...

site of origin BGP

Hello All, I am trying to understand site of origin.R1, R2 are in AS12  and  R3, R4 are in AS34.R1 is advertising 11.11.11.11 and R2 is advertising 22.22.22.22.SOO 22:22 is set on R3 and R4 so that R3 does not distribute 22.22.22.22 to R1 and R4 does...

igmpv3 exclude mode

Hello, How to configure IGMPv3 in exclude mode on XE router?If a router does not want to receive traffic from a source then how can it mention the unwanted source address in igmp configuration ? Thanks,Sachin

Resolved! nat64 stateless ping is not working

Hello All, I am trying to configure nat64 stateless R1-------------(g1)R2(g2)------------R3 R1--------------------ipv6 unicast-routingint gi1ipv6 enableipv6 address 2001:face::1/64no sh ipv6 route ::/0 2001:FACE::2 R2---------------------ipv6 unicast...

Resolved! line vty 0 5; access-class 101 out

Hello, I have created an 'access-class' under 'line vty' in 'out' direction.line vty 0 4access-class 101 out What does this 'out' direction signify?I can ssh to all the routers from the local router. Thanks,Sachin

igmpv3 source filtering

Hello, Is IGMPV3 source filtering applicable to SSM trees only ? or it can be applied to regular pim sparse mode trees too ?In case of pim sparse mode tree, even though host is expecting traffic from a certain source but it is getting traffic from mu...

BFD on Cisco XR

Hello,  I am trying to configure bfd on cisco XR routers under ospf process. R1-------R2 router ospf 1bfd fast-detect But when I execute 'show bfd session' I do not see any output of the command.What configuration I am missing? Thanks,Sachin

maximum-paths eibgp 10 on XR router

Hello,             XR2        /           \      /              \xrv1                 XR4      \              /       \           /            XR3 I have set up 4 routers. And all 4 routers are in different ASs.Xrv4 is distributing 4.4.4.4. XRv1 is r...

Enabling restapi on cisco XE

Hello All, I am trying to enable rest API on the cisco XE router. I used the following command to enable rest API.remote-managementrestful-api But when I execute the following command from a Linux box I get the following error.curl -i -k -X "OPTIONS"...

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