About Kanan Huseynli

Kanan Huseynli · 09-25-2023

Hello, is there an issue when we have WLC DHCP proxy mode and upstream switch with DHCP snooping enabled? Based on docs, WLC in proxy mode changes giaddr field (and can insert option-82 as well) and switch ignores DHCP messages over untrusted ports i...

Kanan Huseynli · 05-21-2023

Hi, we have two different sites which are connected via cisco SD-WAN. HQ site has WLCs (5508 in HA), branch site has APs in flexconnect mode (2602E and 3702I). When ISP failure happens and we lose branch site. We see that these APs are shown in WLC w...

Kanan Huseynli · 05-02-2022

Hi sdwan-lovers,Suppose local site has 2 internet channels (ISP A and B), but remote has only one (ISP C). Normally, 2 IPSec are established between sites: A-C and B-C.If ISP A has 100mbps, but B has 10mbps, we normally need to enforce local routes t...

Kanan Huseynli · 04-21-2022

Hi there, recently in one of the branches of our customer I have detected one link (from dmz switch to firewall) operates in half-duplex (thanks to autonegotiation in FA port). Actually, port of dmz switch works in half duplex, while firewall port is...

Cisco Viptela OS Root user · 03-11-2022

Hi , how can I login to viptela OS linux shell (vshell) with root and run commands/ access folders as root? thanks in advance,

Kanan Huseynli · 04-23-2024

Hi, one more good question... Netconf is mostly used over DTLS/TLS. So, even if you block service network on transport interface, it still works (as you mentioned) because config update is pushed via Netconf over DTLS/TLS. However, there are certain ...

Kanan Huseynli · 04-23-2024

Redistributed BGP default route will not be advertised to other spokes via OMP, because for this you need to redistribute nat-dia route to OMP. Redistribution happens through routing table, not protocol table (e.g BGP).

Kanan Huseynli · 04-22-2024

Hi, you need to configure IP under physical interface/subinterface (e.g Gigabitethernet1) Create tunnel interface (interface tunnel1) with ip unnumbered Gigabitethernet1, tunnel source physical interface Gigabitethernet1, tunnel mode sdwan. Then go t...

Kanan Huseynli · 04-22-2024

Hi, BGP does not redistribute 0.0.0.0/0 with simple "redistribute" command (this happens with other routing protocols and static route as well). You need either network 0.0.0.0 (as you did) or default-information originate under process which sends d...

Kanan Huseynli · 04-20-2024

Hi, based on vedge 20.9 release notes ( https://www.cisco.com/c/en/us/td/docs/routers/sdwan/release/notes/vedge-20-9/sd-wan-rel-notes-20-9.html ) which points to below link, we can say that upgrade path for controllers and vedge are the same For inf...

Member Since	‎08-15-2016 12:30 AM
Date Last Visited	‎04-23-2024 05:22 AM
Posts	1,014
Total Helpful Votes Received	467

User Statistics

User Activity

WLC DHCP Proxy mode and DHCP Snooping on upstream switch

All Flexconnect AP admin status disabled after WAN failure

SD-WAN policy

Half duplex and packet size

Cisco Viptela OS Root user

Re: Should we enable allow-service netconf all the time?

Re: Redistribute NAT DIA into BGP or OSPF issue

Re: IPv4 address is not showing on Cisco SDWAN cEdge routers

Re: Redistribute NAT DIA into BGP or OSPF issue

Re: SD-WAN vEdge Upgrade path